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CAS Number: 78-83-1

Sum Formula: C4H10O

Molar Mass: 74.1 g/mol

English Synonyms: Isobutanol | i-Butanol | 2-Methylpropanol-1 | 2-Methyl-1-propanol

EC Index Number: 603-108-00-1

EC Number: 201-148-0

Temperature Class: T2

Explosion Group: IIA

Disclaimer: The CLP/GHS classification is not regularly updated in Chemsafe. For up-to-date information, please use the ECHA database. ( https://echa.europa.eu/en/information-on-chemicals )

GHS Hazard and Category:

Flam. Liq. 3: flammable liquids, category 3
STOT SE 3: Specific target organ toxicity following single exposure, category 3, respiratory tract irritation or narcotic effects
Skin Irrit. 2: skin irritation, category 2
Eye Dam. 1: serious eye damage, category 1

GHS Pictogram:

GHS Signal Word: Danger

GHS Hazard Statement:

H226: Flammable liquid and vapour.
H335: May cause respiratory irritation.
H315: Causes skin irritation.
H318: Causes serious eye damage. (not needed beside H314)
H336: May cause drowsiness or dizziness.

Antoine parameters

DECHEMA

8.53516 Torr

UTI: 1100-658-5684/0-39

UTI: 1100-658-5684/0-39;
Line no	Upper temperature limit of Antoine equation	Lower temperature limit of Antoine equation	Antoine constant C	Antoine constant B	Antoine constant A
	recommended value saturated property of pure substance	recommended value saturated property of pure substance	recommended value by regression saturated property of pure substance	recommended value by regression saturated property of pure substance	defined value by regression saturated property of pure substance
1	< 108 °C	> -9 °C	237.147 °C	1950.94 °C	8.53516 Torr

Bibliographic data

Author	DECHEMA
Title	Antoinekonstanten
Database	PTB
Publisher	Detherm

Boiling point

1940

Nauck

1013.25 hPa

104 °C ... 107 °C

UTI: 17-658-5629/0-39

UTI: 17-658-5629/0-39;
Line no	Boiling temperature	Pressure
	defined value at atmospheric pressure saturated property of pure substance	saturated
1	104 °C ... 107 °C	1013.25 hPa

Bibliographic data

Title	Brennbare Flüssigkeiten und Einstufung
Author	Nauck
Year	1940
Publisher	I.G. Farben, Wolfen Filmfabrik, T IV Betriebskontrolle
Language	GERM

1941

Berger, H.

1013.25 hPa

107 °C

UTI: 15-658-5622/0-39

UTI: 15-658-5622/0-39;
Line no	Boiling temperature	Pressure
	defined value at atmospheric pressure saturated property of pure substance	saturated
1	107 °C	1013.25 hPa

Bibliographic data

Title	Brennbare Gase, Flüssigkeiten und feste Stoffe
Author	Berger, H.
Year	1941
Publisher	Edmund Stein u. Co.
Publisher City	Potsdam
Language	GERM

1950

1013.25 hPa

107 °C

UTI: 1-658-5605/0-39

UTI: 1-658-5605/0-39;
Line no	Boiling temperature	Pressure
	defined value at atmospheric pressure saturated property of pure substance	saturated
1	107 °C	1013.25 hPa

Bibliographic data

Title	Loss Prevention Bulletin No. 36.10: Properties of Flammable Liquids, Gases and Solids
Year	1950
Journal Title	The Factory Mutual Engineering Division;Boston, Ma
Publisher	The Factory Mutual Engineering Division
Publisher City	Boston
Language	ENGL

1950

PTB

1013.25 hPa

107 °C

UTI: 8-658-5612/0-39

UTI: 8-658-5612/0-39;
Line no	Boiling temperature	Pressure
	defined value at atmospheric pressure saturated property of pure substance	saturated
1	107 °C	1013.25 hPa

Bibliographic data

Author	PTB
Year	1950
Title	Tabelle des Labors III-B
Database	PTB
Publisher	PTB, Labor III-B; Braunschweig
Language	GERM

1951

Oehley, E.

1013.25 hPa

107 °C

UTI: 13-658-5617/0-39

UTI: 13-658-5617/0-39;
Line no	Boiling temperature	Pressure
	defined value at atmospheric pressure saturated property of pure substance	saturated
1	107 °C	1013.25 hPa

Bibliographic data

Title	Stoffdaten
Author	Oehley, E.
Year	1951
Publisher	Farbwerke Hoechst, Techn. Abt. Farben-Gruppe
Language	GERM

1963

Nabert, K.; Schön, G.

1013.25 hPa

108 °C

UTI: 1000-658-5674/0-39

UTI: 1000-658-5674/0-39;
Line no	Boiling temperature	Pressure
	defined value at atmospheric pressure property of pure substance
1	108 °C	1013.25 hPa

Bibliographic data

Author	Nabert, K.; Schön, G.
Year	1963
Title	Sicherheitstechnische Kennzahlen brennbarer Gase und Dämpfe (mit 6. Nachtrag)
Publisher	Deutscher Eichverlag
Publisher City	Braunschweig
Abstract English	Safety values of about 1000 flammable gases and vapors: Explosion limits, ignition temperatures, flash points, explosion pressures.
Language	GERM

Density

1940

Nauck

1013.25 hPa

20 °C

0.802 g/cm³

UTI: 17-658-5630/0-39

UTI: 17-658-5630/0-39;
Line no	Density	Temperature	Pressure
	defined value at atmospheric pressure and room temperature property of pure substance	at atmospheric pressure and room temperature property of pure substance	at atmospheric pressure and room temperature
1	0.802 g/cm³	20 °C	1013.25 hPa

Bibliographic data

Title	Brennbare Flüssigkeiten und Einstufung
Author	Nauck
Year	1940
Publisher	I.G. Farben, Wolfen Filmfabrik, T IV Betriebskontrolle
Language	GERM

1941

Berger, H.

1013.25 hPa

20 °C

0.805 g/cm³

UTI: 15-658-5623/0-39

UTI: 15-658-5623/0-39;
Line no	Density	Temperature	Pressure
	defined value at atmospheric pressure and room temperature property of pure substance	at atmospheric pressure and room temperature property of pure substance	at atmospheric pressure and room temperature
1	0.805 g/cm³	20 °C	1013.25 hPa

Bibliographic data

Title	Brennbare Gase, Flüssigkeiten und feste Stoffe
Author	Berger, H.
Year	1941
Publisher	Edmund Stein u. Co.
Publisher City	Potsdam
Language	GERM

1951

Oehley, E.

1013.25 hPa

20 °C

0.805 g/cm³

UTI: 13-658-5618/0-39

UTI: 13-658-5618/0-39;
Line no	Density	Temperature	Pressure
	defined value at atmospheric pressure and room temperature property of pure substance	at atmospheric pressure and room temperature property of pure substance	at atmospheric pressure and room temperature
1	0.805 g/cm³	20 °C	1013.25 hPa

Bibliographic data

Title	Stoffdaten
Author	Oehley, E.
Year	1951
Publisher	Farbwerke Hoechst, Techn. Abt. Farben-Gruppe
Language	GERM

1963

Nabert, K.; Schön, G.

1013.25 hPa

20 °C

0.8 g/cm³

UTI: 1000-658-5675/0-39

UTI: 1000-658-5675/0-39;
Line no	Density	Temperature	Pressure
	defined value at atmospheric pressure and room temperature property of pure substance	recommended value at atmospheric pressure and room temperature property of pure substance	recommended value at atmospheric pressure and room temperature
1	0.8 g/cm³	20 °C	1013.25 hPa

Bibliographic data

Author	Nabert, K.; Schön, G.
Year	1963
Title	Sicherheitstechnische Kennzahlen brennbarer Gase und Dämpfe (mit 6. Nachtrag)
Publisher	Deutscher Eichverlag
Publisher City	Braunschweig
Abstract English	Safety values of about 1000 flammable gases and vapors: Explosion limits, ignition temperatures, flash points, explosion pressures.
Language	GERM

1994

1013.25 hPa

20 °C

0.805 g/cm³

UTI: 16-658-5628/0-39

UTI: 16-658-5628/0-39;
Line no	Density	Temperature	Pressure
	defined value at atmospheric pressure and room temperature property of pure substance	at atmospheric pressure and room temperature property of pure substance	at atmospheric pressure and room temperature
1	0.805 g/cm³	20 °C	1013.25 hPa

Bibliographic data

Year	1994
Title	Fire-hazard Properties of certain Flammable Liquids, Gases and Volatile Solids
Publisher	National Fire Protection Association
Publisher City	Boston
Language	ENGL

Diffusion coefficient

1963

Nabert, K.; Schön, G.

20 °C

0.08 cm²/s

UTI: 1000-658-5680/0-39

UTI: 1000-658-5680/0-39;
Line no	Diffusion coefficient	Temperature
	defined value at room temperature property of pure substance	recommended value at room temperature property of pure substance
1	0.08 cm²/s	20 °C

Bibliographic data

Author	Nabert, K.; Schön, G.
Year	1963
Title	Sicherheitstechnische Kennzahlen brennbarer Gase und Dämpfe (mit 6. Nachtrag)
Publisher	Deutscher Eichverlag
Publisher City	Braunschweig
Abstract English	Safety values of about 1000 flammable gases and vapors: Explosion limits, ignition temperatures, flash points, explosion pressures.
Language	GERM

Melting point

1950

-107.8 °C

UTI: 1-658-5604/0-39

UTI: 1-658-5604/0-39;
Line no	Melting temperature
	defined value at atmospheric pressure property of pure substance
1	-107.8 °C

Bibliographic data

Title	Loss Prevention Bulletin No. 36.10: Properties of Flammable Liquids, Gases and Solids
Year	1950
Journal Title	The Factory Mutual Engineering Division;Boston, Ma
Publisher	The Factory Mutual Engineering Division
Publisher City	Boston
Language	ENGL

1951

Oehley, E.

-108 °C

UTI: 13-658-5616/0-39

UTI: 13-658-5616/0-39;
Line no	Melting temperature
	defined value at atmospheric pressure property of pure substance
1	-108 °C

Bibliographic data

Title	Stoffdaten
Author	Oehley, E.
Year	1951
Publisher	Farbwerke Hoechst, Techn. Abt. Farben-Gruppe
Language	GERM

1963

Nabert, K.; Schön, G.

1013.25 hPa

-108 °C

UTI: 1000-658-5681/0-39

UTI: 1000-658-5681/0-39;
Line no	Melting temperature	Pressure
	defined value at atmospheric pressure saturated property of pure substance	recommended value at atmospheric pressure saturated
1	-108 °C	1013.25 hPa

Bibliographic data

Author	Nabert, K.; Schön, G.
Year	1963
Title	Sicherheitstechnische Kennzahlen brennbarer Gase und Dämpfe (mit 6. Nachtrag)
Publisher	Deutscher Eichverlag
Publisher City	Braunschweig
Abstract English	Safety values of about 1000 flammable gases and vapors: Explosion limits, ignition temperatures, flash points, explosion pressures.
Language	GERM

Relative gas density

1941

Berger, H.

2.55

UTI: 15-658-5624/0-39

UTI: 15-658-5624/0-39;
Line no	Relative gas density
	defined value property of pure substance
1	2.55

Bibliographic data

Title	Brennbare Gase, Flüssigkeiten und feste Stoffe
Author	Berger, H.
Year	1941
Publisher	Edmund Stein u. Co.
Publisher City	Potsdam
Language	GERM

1950

2.55

UTI: 1-658-5606/0-39

UTI: 1-658-5606/0-39;
Line no	Relative gas density
	defined value property of pure substance
1	2.55

Bibliographic data

Title	Loss Prevention Bulletin No. 36.10: Properties of Flammable Liquids, Gases and Solids
Year	1950
Journal Title	The Factory Mutual Engineering Division;Boston, Ma
Publisher	The Factory Mutual Engineering Division
Publisher City	Boston
Language	ENGL

1950

PTB

2.55

UTI: 8-658-5613/0-39

UTI: 8-658-5613/0-39;
Line no	Relative gas density
	defined value property of pure substance
1	2.55

Bibliographic data

Author	PTB
Year	1950
Title	Tabelle des Labors III-B
Database	PTB
Publisher	PTB, Labor III-B; Braunschweig
Language	GERM

1963

Nabert, K.; Schön, G.

2.55

UTI: 1000-658-5676/0-39

UTI: 1000-658-5676/0-39;
Line no	Relative gas density
	defined value property of pure substance
1	2.55

Bibliographic data

Author	Nabert, K.; Schön, G.
Year	1963
Title	Sicherheitstechnische Kennzahlen brennbarer Gase und Dämpfe (mit 6. Nachtrag)
Publisher	Deutscher Eichverlag
Publisher City	Braunschweig
Abstract English	Safety values of about 1000 flammable gases and vapors: Explosion limits, ignition temperatures, flash points, explosion pressures.
Language	GERM

Solubility in water

2009

Physikalisch-Technische Bundesanstalt (PTB)

20 °C

85 g/l

UTI: 228-658-5668/0-39

UTI: 228-658-5668/0-39;
Line no	Solubility in water	Temperature
	defined value property of pure substance	property of pure substance
1	85 g/l	20 °C

Bibliographic data

Author	Physikalisch-Technische Bundesanstalt (PTB)
Year	2009
Title	Wasserlöslichkeit
Database	PTB
Publisher	Datenbank PTB-Lab. 3.43
Language	GERM

The oxidizing agent is air with an oxygen content of 20.95 % by volume. In the data base it is usually not specified as mixture component. Exceptions are highlighted.
Pressure values are absolute, not gauge pressures.
Impurities can strongly influence characteristic safety data, particulary if the properties of the impurity considerably deviate from the respective properties of the pure substance.
Safety characteristics are only displayed if evaluated data are available.
Values can be cited by using the UTI number of the table (Uniform Table Identifier).

Color Codes: recommended value no recommendation do not use value

Autoignition Temperature

1963

Nabert, K.; Schön, G.

430 °C

UTI: 1000-658-5677/0-39

UTI: 1000-658-5677/0-39;
Line no	Autoignition Temperature
	recommended value according to german standard property of pure substance
1	430 °C [A]

[A] DIN 51794: Testing of mineral oil hydrocarbons - Determination of ignition temperature; measurements are technically identical to those of ISO/IEC 80079-20-1 but results are treated differently.

Bibliographic data

Author	Nabert, K.; Schön, G.
Year	1963
Title	Sicherheitstechnische Kennzahlen brennbarer Gase und Dämpfe (mit 6. Nachtrag)
Publisher	Deutscher Eichverlag
Publisher City	Braunschweig
Abstract English	Safety values of about 1000 flammable gases and vapors: Explosion limits, ignition temperatures, flash points, explosion pressures.
Language	GERM

1940

Nauck

405 °C ... 420 °C

UTI: 17-658-5634/0-39

UTI: 17-658-5634/0-39;
Line no	Autoignition Temperature
	methode not internationally standardized property of pure substance
1	405 °C ... 420 °C

Bibliographic data

Title	Brennbare Flüssigkeiten und Einstufung
Author	Nauck
Year	1940
Publisher	I.G. Farben, Wolfen Filmfabrik, T IV Betriebskontrolle
Language	GERM

1941

Berger, H.

441 °C

UTI: 15-658-5626/0-39

UTI: 15-658-5626/0-39;
Line no	Autoignition Temperature
	methode not internationally standardized property of pure substance
1	441 °C

Bibliographic data

Title	Brennbare Gase, Flüssigkeiten und feste Stoffe
Author	Berger, H.
Year	1941
Publisher	Edmund Stein u. Co.
Publisher City	Potsdam
Language	GERM

1945

Nuckolls, A.H.

371 °C ... 427 °C

UTI: 25-658-5639/0-39

UTI: 25-658-5639/0-39;
Line no	Autoignition Temperature
	methode not internationally standardized property of pure substance
1	371 °C ... 427 °C

Bibliographic data

Title	Classification of the Hazards of Liquids
Author	Nuckolls, A.H.
Year	1945
Publisher	Underwriters Laboratories, Inc.
Publisher City	Chicago
Language	ENGL

1945

Paton, A.P.

427 °C

UTI: 73-658-5644/0-39

UTI: 73-658-5644/0-39;
Line no	Autoignition Temperature
	methode not internationally standardized property of pure substance
1	427 °C

Bibliographic data

Title	Flameproof Electrical Apparatus. Flange Gap Protection and Container Pressure with a Third Series of Industrial Atmospheres
Author	Paton, A.P.
Year	1945
Publisher	The British Electrical and Allied Industries Resea
Language	ENGL

1948

Scott, G.S; Jones, G.W.; Scott, F.E.

364 °C ... 434 °C

UTI: 26-658-5640/0-39

UTI: 26-658-5640/0-39;
Line no	Autoignition Temperature
	methode not internationally standardized property of pure substance
1	364 °C [1]
2	434 °C

[1] in oxygen

Bibliographic data

Title	Determination of Ignition Temperatures of Combustible Liquids and Gases
Author	Scott, G.S; Jones, G.W.; Scott, F.E.
Year	1948
Journal Title	Anal. Chem.
Volume	20
Issue	3
Pages	238-241
Publisher	Anal. Chem.
Language	ENGL

1950

441 °C

UTI: 1-658-5609/0-39

UTI: 1-658-5609/0-39;
Line no	Autoignition Temperature
	methode not internationally standardized property of pure substance
1	441 °C

Bibliographic data

Title	Loss Prevention Bulletin No. 36.10: Properties of Flammable Liquids, Gases and Solids
Year	1950
Journal Title	The Factory Mutual Engineering Division;Boston, Ma
Publisher	The Factory Mutual Engineering Division
Publisher City	Boston
Language	ENGL

1951

Oehley, E.

440 °C

UTI: 13-658-5621/0-39

UTI: 13-658-5621/0-39;
Line no	Autoignition Temperature
	methode not internationally standardized property of pure substance
1	440 °C

Bibliographic data

Title	Stoffdaten
Author	Oehley, E.
Year	1951
Publisher	Farbwerke Hoechst, Techn. Abt. Farben-Gruppe
Language	GERM

1975

Yagyu, S.

405 °C

UTI: 179-658-5652/0-39

UTI: 179-658-5652/0-39;
Line no	Autoignition Temperature
	international standard method property of pure substance
1	405 °C [A]

[A] IEC 79-4: Method of Test for Ignition Temperature, Electrical Apparatus for Explosive G; Replaced by IEC-60079-20-1 in 1975

Bibliographic data

Title	Data for Ignition Temperature(1st and 2nd)
Author	Yagyu, S.
Year	1975
Publisher	RIIS
Language	JAPN

Evaporation number

1963

Nabert, K.; Schön, G.

UTI: 1000-658-5679/0-39

UTI: 1000-658-5679/0-39;
Line no	Evaporation number
	recommended value experimental property of pure substance
1	24

Bibliographic data

Author	Nabert, K.; Schön, G.
Year	1963
Title	Sicherheitstechnische Kennzahlen brennbarer Gase und Dämpfe (mit 6. Nachtrag)
Publisher	Deutscher Eichverlag
Publisher City	Braunschweig
Abstract English	Safety values of about 1000 flammable gases and vapors: Explosion limits, ignition temperatures, flash points, explosion pressures.
Language	GERM

1946

Freytag, H.

16.1

UTI: 6-658-5611/0-39

UTI: 6-658-5611/0-39;
Line no	Evaporation number
	property of pure substance
1	16.1 [1]

[1] relative to acetone

Bibliographic data

Title	Merkblatt über Kennzahlen brennbarer Gase und Dämpfe
Author	Freytag, H.
Year	1946
Publisher	Magistrat von Gross-Berlin, Abteilung für Arbeit, Hauptamt für Arbeitsschutz
Publisher City	Berlin
Language	GERM

Flash point

1963

Nabert, K.; Schön, G.

27 °C

UTI: 1000-658-5672/0-39

UTI: 1000-658-5672/0-39;
Line no	Flash point
	recommended value experimental closed cup property of pure substance
1	27 °C

Bibliographic data

Author	Nabert, K.; Schön, G.
Year	1963
Title	Sicherheitstechnische Kennzahlen brennbarer Gase und Dämpfe (mit 6. Nachtrag)
Publisher	Deutscher Eichverlag
Publisher City	Braunschweig
Abstract English	Safety values of about 1000 flammable gases and vapors: Explosion limits, ignition temperatures, flash points, explosion pressures.
Language	GERM

1940

Nauck

22 °C

UTI: 17-658-5631/0-39

UTI: 17-658-5631/0-39;
Line no	Flash point
	closed cup property of pure substance
1	22 °C

Bibliographic data

Title	Brennbare Flüssigkeiten und Einstufung
Author	Nauck
Year	1940
Publisher	I.G. Farben, Wolfen Filmfabrik, T IV Betriebskontrolle
Language	GERM

1941

Berger, H.

22 °C ... 28 °C

UTI: 15-658-5627/0-39

UTI: 15-658-5627/0-39;
Line no	Flash point
	closed cup property of pure substance
1	22 °C
2	28 °C

Bibliographic data

Title	Brennbare Gase, Flüssigkeiten und feste Stoffe
Author	Berger, H.
Year	1941
Publisher	Edmund Stein u. Co.
Publisher City	Potsdam
Language	GERM

1945

Nuckolls, A.H.

31 °C

UTI: 25-658-5638/0-39

UTI: 25-658-5638/0-39;
Line no	Flash point
	closed cup property of pure substance
1	31 °C

Bibliographic data

Title	Classification of the Hazards of Liquids
Author	Nuckolls, A.H.
Year	1945
Publisher	Underwriters Laboratories, Inc.
Publisher City	Chicago
Language	ENGL

1950

28 °C

UTI: 1-658-5607/0-39

UTI: 1-658-5607/0-39;
Line no	Flash point
	closed cup property of pure substance
1	28 °C

Bibliographic data

Title	Loss Prevention Bulletin No. 36.10: Properties of Flammable Liquids, Gases and Solids
Year	1950
Journal Title	The Factory Mutual Engineering Division;Boston, Ma
Publisher	The Factory Mutual Engineering Division
Publisher City	Boston
Language	ENGL

1950

PTB

22 °C ... 28 °C

UTI: 8-658-5615/0-39

UTI: 8-658-5615/0-39;
Line no	Flash point
	closed cup property of pure substance
1	22 °C
2	28 °C

Bibliographic data

Author	PTB
Year	1950
Title	Tabelle des Labors III-B
Database	PTB
Publisher	PTB, Labor III-B; Braunschweig
Language	GERM

1951

Oehley, E.

22 °C ... 28 °C

UTI: 13-658-5619/0-39

UTI: 13-658-5619/0-39;
Line no	Flash point
	closed cup property of pure substance
1	22 °C ... 28 °C

Bibliographic data

Title	Stoffdaten
Author	Oehley, E.
Year	1951
Publisher	Farbwerke Hoechst, Techn. Abt. Farben-Gruppe
Language	GERM

Explosion limits

Lower explosion limit

2006

Physikalisch-Technische Bundesanstalt (PTB)

1.4 Vol%

UTI: 4026-658-5688/0-39

UTI: 4026-658-5688/0-39;
Line no	Lower explosion limit
	recommended value experimental property of pure substance
1	1.4 Vol% [A]
2	43 g/m³ [A] ⚠

[A] DIN EN 1839-Tube: Determination of the explosion limits and the limiting oxygen concentration (LOC) for flammable gases and vapours; tube method

⚠ The reference for the specification in g/m³ is the molar volume at 20 °C

Bibliographic data

Author	Physikalisch-Technische Bundesanstalt (PTB)
Year	2006
Title	Sicherheitstechnische Kenngrößen: Messwerte 2006 des PTB-Laboratoriums 3.41
Database	PTB
Publisher	PTB-Lab. 3.41
Language	GERM

1940

Nauck

1.7 Mol%

UTI: 233-658-5669/0-39

UTI: 233-658-5669/0-39;
Line no	Lower explosion limit
	property of pure substance
1	1.7 Mol%

Bibliographic data

Title	Brennbare Flüssigkeiten und Einstufung: Explosionsgrenzen
Author	Nauck
Year	1940
Publisher	I.G. Farben, Wolfen Filmfabrik, T IV Betriebskontr
Language	GERM

1941

Berger, H.

1.7 Vol%

UTI: 15-658-5625/0-39

UTI: 15-658-5625/0-39;
Line no	Lower explosion limit
	property of pure substance
1	1.7 Vol%

Bibliographic data

Title	Brennbare Gase, Flüssigkeiten und feste Stoffe
Author	Berger, H.
Year	1941
Publisher	Edmund Stein u. Co.
Publisher City	Potsdam
Language	GERM

1945

Paton, A.P.

1.5 Vol%

UTI: 73-658-5642/0-39

UTI: 73-658-5642/0-39;
Line no	Lower explosion limit
	property of pure substance
1	1.5 Vol%

Bibliographic data

Title	Flameproof Electrical Apparatus. Flange Gap Protection and Container Pressure with a Third Series of Industrial Atmospheres
Author	Paton, A.P.
Year	1945
Publisher	The British Electrical and Allied Industries Resea
Language	ENGL

1946

Freytag, H.

52 g/m³

UTI: 6-658-5610/0-39

UTI: 6-658-5610/0-39;
Line no	Lower explosion limit
	property of pure substance
1	52 g/m³ ⚠

⚠ The reference for the specification in g/m³ is the molar volume at 20 °C

Bibliographic data

Title	Merkblatt über Kennzahlen brennbarer Gase und Dämpfe
Author	Freytag, H.
Year	1946
Publisher	Magistrat von Gross-Berlin, Abteilung für Arbeit, Hauptamt für Arbeitsschutz
Publisher City	Berlin
Language	GERM

1950

1.7 Vol%

UTI: 1-658-5608/0-39

UTI: 1-658-5608/0-39;
Line no	Lower explosion limit
	property of pure substance
1	1.7 Vol%

Bibliographic data

Title	Loss Prevention Bulletin No. 36.10: Properties of Flammable Liquids, Gases and Solids
Year	1950
Journal Title	The Factory Mutual Engineering Division;Boston, Ma
Publisher	The Factory Mutual Engineering Division
Publisher City	Boston
Language	ENGL

1950

PTB

1.7 Vol%

UTI: 8-658-5614/0-39

UTI: 8-658-5614/0-39;
Line no	Lower explosion limit
	property of pure substance
1	1.7 Vol%

Bibliographic data

Author	PTB
Year	1950
Title	Tabelle des Labors III-B
Database	PTB
Publisher	PTB, Labor III-B; Braunschweig
Language	GERM

1951

Oehley, E.

1.7 Vol%

UTI: 13-658-5620/0-39

UTI: 13-658-5620/0-39;
Line no	Lower explosion limit
	property of pure substance
1	1.7 Vol%

Bibliographic data

Title	Stoffdaten
Author	Oehley, E.
Year	1951
Publisher	Farbwerke Hoechst, Techn. Abt. Farben-Gruppe
Language	GERM

1963

Nabert, K.; Schön, G.

1.7 Vol% ± 10 %

UTI: 1000-658-5682/0-39

UTI: 1000-658-5682/0-39;
Line no	Lower explosion limit
	property of pure substance
1	1.7 Vol% ± 10 %
2	50 g/m³ ± 10 % ⚠

⚠ The reference for the specification in g/m³ is the molar volume at 20 °C

Bibliographic data

Author	Nabert, K.; Schön, G.
Year	1963
Title	Sicherheitstechnische Kennzahlen brennbarer Gase und Dämpfe (mit 6. Nachtrag)
Publisher	Deutscher Eichverlag
Publisher City	Braunschweig
Abstract English	Safety values of about 1000 flammable gases and vapors: Explosion limits, ignition temperatures, flash points, explosion pressures.
Language	GERM

Lower Explosion Limit as a function of pressure and temperature (DIN EN 1839-T)

2006

Physikalisch-Technische Bundesanstalt (PTB)

100 °C ... 180 °C

1 Vol% ... 1.2 Vol%

UTI: 4026-658-5687/0-39

Lower Explosion Limit as a function of pressure and temperature (DIN EN 1839-T)
UTI: 4026-658-5687/0-39;
Line no	Temperature	Lower explosion limit
	experimental property of pure substance	recommended value experimental at atmospheric pressure property of pure substance
1	100 °C	1.2 Vol%
2	150 °C	1.1 Vol%
3	180 °C	1 Vol%

Bibliographic data

Author	Physikalisch-Technische Bundesanstalt (PTB)
Year	2006
Title	Sicherheitstechnische Kenngrößen: Messwerte 2006 des PTB-Laboratoriums 3.41
Database	PTB
Publisher	PTB-Lab. 3.41
Language	GERM

Upper explosion limit

Upper Explosion Limit as a function of temperature (DIN EN 1839-T)

2006

Physikalisch-Technische Bundesanstalt (PTB)

80 °C ... 180 °C

11.9 Vol% ... 14.7 Vol%

UTI: 4026-658-5686/0-39

Upper Explosion Limit as a function of temperature (DIN EN 1839-T)
UTI: 4026-658-5686/0-39;
Line no	Temperature	Upper explosion limit
	experimental property of pure substance	recommended value experimental at atmospheric pressure property of pure substance
1	80 °C	11.9 Vol%
2	120 °C	12.7 Vol%
3	150 °C	13.9 Vol%
4	180 °C	14.7 Vol%

Bibliographic data

Author	Physikalisch-Technische Bundesanstalt (PTB)
Year	2006
Title	Sicherheitstechnische Kenngrößen: Messwerte 2006 des PTB-Laboratoriums 3.41
Database	PTB
Publisher	PTB-Lab. 3.41
Language	GERM

1940

Nauck

10.5 Mol%

UTI: 233-658-5670/0-39

UTI: 233-658-5670/0-39;
Line no	Upper explosion limit
	property of pure substance
1	10.5 Mol%

Bibliographic data

Title	Brennbare Flüssigkeiten und Einstufung: Explosionsgrenzen
Author	Nauck
Year	1940
Publisher	I.G. Farben, Wolfen Filmfabrik, T IV Betriebskontr
Language	GERM

1991

Physikalisch-Technische Bundesanstalt (PTB)

11 Vol% ± 5 %

UTI: 4801-658-5691/0-39

UTI: 4801-658-5691/0-39;
Line no	Upper explosion limit
	recommended value estimated property of pure substance
1	11 Vol% ± 5 %
2	340 g/m³ ± 5 % ⚠

⚠ The reference for the specification in g/m³ is the molar volume at 20 °C

Bibliographic data

Author	Physikalisch-Technische Bundesanstalt (PTB)
Year	1991
Title	Empfohlene Sicherheitstechnische Kenngrößen
Database	PTB
Publisher	Datenbank PTB-AG 3.41/3.71
Language	GERM

Explosion points

Lower explosion point

1986

Yagyu, S.

26 °C

UTI: 200-658-5653/0-39

UTI: 200-658-5653/0-39;
Line no	Lower explosion point
	recommended value experimental property of pure substance
1	26 °C

Bibliographic data

Title	Diagrams Related to Flashing Temperatures and Flammability Limits
Author	Yagyu, S.
Year	1986
Journal Title	Safety Document of the Research Institute of Indus
Volume	25
Publisher	RIIS
Language	JAPN

Upper explosion point

2007

Physikalisch-Technische Bundesanstalt (PTB)

59 °C

UTI: 4027-658-5689/0-39

UTI: 4027-658-5689/0-39;
Line no	Upper explosion point
	recommended value experimental property of pure substance
1	59 °C

Bibliographic data

Author	Physikalisch-Technische Bundesanstalt (PTB)
Year	2007
Title	Sicherheitstechnische Kenngrößen: Messwerte 2007 des PTB-Laboratoriums 3.41
Database	PTB
Publisher	PTB-Lab. 3.41
Language	GERM

Maximum experimental safe gap

1993

Physikalisch-Technische Bundesanstalt (PTB)

0.94 mm

UTI: 4003-658-5685/0-39

UTI: 4003-658-5685/0-39;
Line no	Maximum experimental safe gap
	recommended value experimental property of pure substance
1	0.94 mm [1]

[1] measured at 50 °C and 3.6 Vol.% (Lab. 3.71)

Bibliographic data

Author	Physikalisch-Technische Bundesanstalt (PTB)
Year	1993
Title	Sicherheitstechnische Kenngrößen: Messwerte 1993 des PTB-Laboratoriums 3.41
Database	PTB
Publisher	Datenbank PTB-Lab. 3.44
Language	GERM

1940

Nauck

0.8 mm

UTI: 17-658-5635/0-39

UTI: 17-658-5635/0-39;
Line no	Maximum experimental safe gap
	property of pure substance
1	0.8 mm

Bibliographic data

Title	Brennbare Flüssigkeiten und Einstufung
Author	Nauck
Year	1940
Publisher	I.G. Farben, Wolfen Filmfabrik, T IV Betriebskontrolle
Language	GERM

Maximum explosion pressure

1963

Nabert, K.; Schön, G.

8.5 bar

UTI: 1000-658-5678/0-39

UTI: 1000-658-5678/0-39;
Line no	Maximum explosion pressure
	recommended value experimental property of pure substance
1	8.5 bar

Bibliographic data

Author	Nabert, K.; Schön, G.
Year	1963
Title	Sicherheitstechnische Kennzahlen brennbarer Gase und Dämpfe (mit 6. Nachtrag)
Publisher	Deutscher Eichverlag
Publisher City	Braunschweig
Abstract English	Safety values of about 1000 flammable gases and vapors: Explosion limits, ignition temperatures, flash points, explosion pressures.
Language	GERM

1940

Nauck

7.8 ata

UTI: 17-658-5637/0-39

UTI: 17-658-5637/0-39;
Line no	Maximum explosion pressure
	property of pure substance
1	7.8 ata

Bibliographic data

Title	Brennbare Flüssigkeiten und Einstufung
Author	Nauck
Year	1940
Publisher	I.G. Farben, Wolfen Filmfabrik, T IV Betriebskontrolle
Language	GERM

1945

Paton, A.P.

7.6 kp/cm²

UTI: 73-658-5643/0-39

UTI: 73-658-5643/0-39;
Line no	Maximum explosion pressure
	property of pure substance
1	7.6 kp/cm²

Bibliographic data

Title	Flameproof Electrical Apparatus. Flange Gap Protection and Container Pressure with a Third Series of Industrial Atmospheres
Author	Paton, A.P.
Year	1945
Publisher	The British Electrical and Allied Industries Resea
Language	ENGL

1951

7.6 kp/cm²

UTI: 36-658-5641/0-39

UTI: 36-658-5641/0-39;
Line no	Maximum explosion pressure
	property of pure substance
1	7.6 kp/cm²

Bibliographic data

Year	1951
Title	Flameproof Enclosures
Publisher	Draft International Specification 31(Secretariat)1
Language	ENGL

Maximum rate of pressure rise

1940

Nauck

252 ata/s

UTI: 17-658-5636/0-39

UTI: 17-658-5636/0-39;
Line no	Maximum rate of pressure rise
	property of pure substance
1	252 ata/s

Bibliographic data

Title	Brennbare Flüssigkeiten und Einstufung
Author	Nauck
Year	1940
Publisher	I.G. Farben, Wolfen Filmfabrik, T IV Betriebskontrolle
Language	GERM

Stoichiometric fraction of combustible substance in mixture with air

2005

Physikalisch-Technische Bundesanstalt (PTB)

3.4 Mol%

UTI: 220-658-5667/0-39

UTI: 220-658-5667/0-39;
Line no	Stoichiometric fraction of combustible substance in mixture with air
	recommended value property of pure substance
1	3.4 Mol%

Bibliographic data

Author	Physikalisch-Technische Bundesanstalt (PTB)
Year	2005
Title	Berechnete molare stöchiometrische Brenngasanteile in Luft (c_stoech)
Database	PTB
Publisher	Datenbank PTB-Lab. 3.43
Language	GERM

Stoichiometric fraction of combustible substance in mixture with oxygen

2005

Physikalisch-Technische Bundesanstalt (PTB)

14.3 Mol%

UTI: 219-658-5666/0-39

UTI: 219-658-5666/0-39;
Line no	Stoichiometric fraction of combustible substance in mixture with oxygen
	recommended value property of pure substance
1	14.3 Mol%

Bibliographic data

Author	Physikalisch-Technische Bundesanstalt (PTB)
Year	2005
Title	Berechnete molare stöchiometrische Brenngasanteile in Sauerstoff
Database	PTB
Publisher	Datenbank PTB-Lab. 3.43
Language	GERM

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2-Methyl-1-propanol

Classification

Physico-Chemical Data

Safety Characteristics of Substance

Safety Characteristics of Substance Mixtures

1,4-Dioxane, 2-Methyl-1-propanol, Air (1,4-Dioxane/2-Methyl-1-Propanol mixture)

1-Butanol, 2-Methyl-1-propanol, Air, Water (1-Butanol/Isobutanol/Water mixture)

1-Octanol, 2-Methyl-1-propanol, Air (1-Octanol/2-Methyl-1-propanol mixture)

2-Methyl-1-propanol, Air, Water (Isobutanol/water mixture)

2-Methyl-1-propanol, Air, Ethanol, Water (Ethanol/isobutanol/water mixture)

2-Methyl-1-propanol, Air, Methane (Methane/isobutanol mixture)

2-Methyl-1-propanol, Air, Cyclohexanol (2-Methyl-1-propanol/cyclohexanol mixture)

2-Methyl-1-propanol, Air, Propanoic acid methyl ester (Propanoic acid methyl ester/2-methyl-1-propanol mixture)

2-Methyl-1-propanol, Oxygen (2-Methyl-1-propanol/oxygen mixture)