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CAS Number: 107-31-3
Sum Formula: C2H4O2
Molar Mass: 60 g/mol
German Synonyms: Methylformiat | Ameisensäuremethylester
English Synonyms: Methyl formate | Formic acid methyl ester
EC Index Number: 607-014-00-1
EC Number: 203-481-7
Temperature Class: T2
Explosion Group: IIA
Structural Formula Formic acid methyl ester

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. 1: flammable liquids, category 1
  • Acute Tox. 4: acute oral toxicity, category 4
  • Acute Tox. 4: acute toxicity by inhalation, category 4
  • Eye Irrit. 2: eye irritation, category 2
  • STOT SE 3: Specific target organ toxicity following single exposure, category 3, respiratory tract irritation or narcotic effects
GHS Pictogram:
pictogram flammable
pictogram harmful





GHS Signal Word: Danger
GHS Hazard Statement:
  • H224: Extremely flammable liquid and vapour.
  • H332: Harmful if inhaled.
  • H302: Harmful if swallowed.
  • H319: Causes serious eye irritation.
  • H335: May cause respiratory irritation.

Antoine parameters
1 1987 Stephenson, R.M.; Malanowski, S. 6.22596 kPa UTI: 137-1018-15044/0-39
UTI: 137-1018-15044/0-39;
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 < 305 K > 279 K -46.675 K 1088.955 K 6.22596 kPa
Bibliographic data
Author Stephenson, R.M.; Malanowski, S.
Year 1987
Title Handbook of The Thermodynamics of Organic Compounds
Publisher Elsevier; New York, Amsterdam, London
Language ENGL
Boiling point
1 1941 Berger, H. 1013.25 hPa 32 °C UTI: 15-1018-15032/0-39
UTI: 15-1018-15032/0-39;
Line no Boiling temperature Pressure
  • defined value
  • at atmospheric pressure
  • saturated
  • property of pure substance
  • saturated
1 32 °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
2 1950 1013.25 hPa 32 °C UTI: 1-1018-15015/0-39
UTI: 1-1018-15015/0-39;
Line no Boiling temperature Pressure
  • defined value
  • at atmospheric pressure
  • saturated
  • property of pure substance
  • saturated
1 32 °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
3 1951 Oehley, E. 1013.25 hPa 31.8 °C UTI: 13-1018-15025/0-39
UTI: 13-1018-15025/0-39;
Line no Boiling temperature Pressure
  • defined value
  • at atmospheric pressure
  • saturated
  • property of pure substance
  • saturated
1 31.8 °C 1013.25 hPa
Bibliographic data
Title Stoffdaten
Author Oehley, E.
Year 1951
Publisher Farbwerke Hoechst, Techn. Abt. Farben-Gruppe
Language GERM
4 1963 Nabert, K.; Schön, G. 1013.25 hPa 32 °C UTI: 1000-1018-15065/0-39
UTI: 1000-1018-15065/0-39;
Line no Boiling temperature Pressure
  • defined value
  • at atmospheric pressure
  • property of pure substance
1 32 °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
1 1941 Berger, H. 1013.25 hPa 20 °C 0.975 g/cm3 UTI: 15-1018-15033/0-39
UTI: 15-1018-15033/0-39;
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 0.975 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
2 1950 1013.25 hPa 20 °C 0.975 g/cm3 UTI: 1-1018-15016/0-39
UTI: 1-1018-15016/0-39;
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 0.975 g/cm3 20 °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
3 1951 Oehley, E. 0.95 g/cm3 ... 1.003 g/cm3 UTI: 13-1018-15026/0-39
UTI: 13-1018-15026/0-39;
Line no Density
  • defined value
  • at atmospheric pressure and room temperature
  • property of pure substance
1 0.95 g/cm3 ... 1.003 g/cm3
Bibliographic data
Title Stoffdaten
Author Oehley, E.
Year 1951
Publisher Farbwerke Hoechst, Techn. Abt. Farben-Gruppe
Language GERM
4 1963 Nabert, K.; Schön, G. 1013.25 hPa 20 °C 0.97 g/cm3 UTI: 1000-1018-15066/0-39
UTI: 1000-1018-15066/0-39;
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 0.97 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
Diffusion coefficient
1 1963 Nabert, K.; Schön, G. 20 °C 0.10 cm2/s UTI: 1000-1018-15069/0-39
UTI: 1000-1018-15069/0-39;
Line no Diffusion coefficient Temperature
  • defined value
  • at room temperature
  • property of pure substance
  • recommended value
  • at room temperature
  • property of pure substance
1 0.10 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
1 1941 Berger, H. -100 °C UTI: 15-1018-15031/0-39
UTI: 15-1018-15031/0-39;
Line no Melting temperature
  • defined value
  • at atmospheric pressure
  • property of pure substance
1 -100 °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
2 1950 -100 °C UTI: 1-1018-15014/0-39
UTI: 1-1018-15014/0-39;
Line no Melting temperature
  • defined value
  • at atmospheric pressure
  • property of pure substance
1 -100 °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
3 1951 Oehley, E. -100 °C UTI: 13-1018-15024/0-39
UTI: 13-1018-15024/0-39;
Line no Melting temperature
  • defined value
  • at atmospheric pressure
  • property of pure substance
1 -100 °C
Bibliographic data
Title Stoffdaten
Author Oehley, E.
Year 1951
Publisher Farbwerke Hoechst, Techn. Abt. Farben-Gruppe
Language GERM
4 1963 Nabert, K.; Schön, G. 1013.25 hPa -100 °C UTI: 1000-1018-15070/0-39
UTI: 1000-1018-15070/0-39;
Line no Melting temperature Pressure
  • defined value
  • at atmospheric pressure
  • saturated
  • property of pure substance
  • recommended value
  • at atmospheric pressure
  • saturated
1 -100 °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
1 1941 Berger, H. 2.07 UTI: 15-1018-15034/0-39
UTI: 15-1018-15034/0-39;
Line no Relative gas density
  • defined value
  • property of pure substance
1 2.07
Bibliographic data
Title Brennbare Gase, Flüssigkeiten und feste Stoffe
Author Berger, H.
Year 1941
Publisher Edmund Stein u. Co.
Publisher City Potsdam
Language GERM
2 1950 2.07 UTI: 1-1018-15017/0-39
UTI: 1-1018-15017/0-39;
Line no Relative gas density
  • defined value
  • property of pure substance
1 2.07
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
3 1963 Nabert, K.; Schön, G. 2.07 UTI: 1000-1018-15067/0-39
UTI: 1000-1018-15067/0-39;
Line no Relative gas density
  • defined value
  • property of pure substance
1 2.07
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
4 1994 2.07 UTI: 16-1018-15039/0-39
UTI: 16-1018-15039/0-39;
Line no Relative gas density
  • defined value
  • property of pure substance
1 2.07
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
Solubility in water
1 2009 Physikalisch-Technische Bundesanstalt (PTB) 20 °C 300 g/l UTI: 228-1018-15061/0-39
UTI: 228-1018-15061/0-39;
Line no Solubility in water Temperature
  • defined value
  • property of pure substance
  • property of pure substance
1 300 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
1 1963 Nabert, K.; Schön, G. 450 °C UTI: 1000-1018-15068/0-39
UTI: 1000-1018-15068/0-39;
Line no Autoignition Temperature
  • recommended value
  • according to german standard
  • property of pure substance
1 450 °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
2 1941 Berger, H. 449 °C UTI: 15-1018-15038/0-39
UTI: 15-1018-15038/0-39;
Line no Autoignition Temperature
  • methode not internationally standardized
  • property of pure substance
1 449 °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
3 1948 Scott, G.S; Jones, G.W.; Scott, F.E. 236 °C UTI: 26-1018-15042/0-39
UTI: 26-1018-15042/0-39;
Line no Autoignition Temperature
  • methode not internationally standardized
  • property of pure substance
1 236 °C
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
4 1950 456 °C UTI: 1-1018-15021/0-39
UTI: 1-1018-15021/0-39;
Line no Autoignition Temperature
  • methode not internationally standardized
  • property of pure substance
1 456 °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
5 1951 Oehley, E. 449 °C UTI: 13-1018-15030/0-39
UTI: 13-1018-15030/0-39;
Line no Autoignition Temperature
  • methode not internationally standardized
  • property of pure substance
1 449 °C
Bibliographic data
Title Stoffdaten
Author Oehley, E.
Year 1951
Publisher Farbwerke Hoechst, Techn. Abt. Farben-Gruppe
Language GERM
6 1975 Yagyu, S. 450 °C UTI: 179-1018-15046/0-39
UTI: 179-1018-15046/0-39;
Line no Autoignition Temperature
  • international standard method
  • property of pure substance
1 450 °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
Flash point
1 2014 Physikalisch-Technische Bundesanstalt (PTB) -27 °C UTI: 4034-1018-60151/20240730-39
UTI: 4034-1018-60151/20240730-39;
Line no Flash point
  • recommended value
  • experimental
  • closed cup
  • property of pure substance
1 -27 °C
Bibliographic data
Author Physikalisch-Technische Bundesanstalt (PTB)
Year 2014
Title Sicherheitstechnische Kenngrößen: Messwerte 2014 des PTB-Laboratoriums 3.71
Database PTB
Publisher PTB-Lab. 3.71
Language GERM
2 1941 Berger, H. -19 °C UTI: 15-1018-15035/0-39
UTI: 15-1018-15035/0-39;
Line no Flash point
  • closed cup
  • property of pure substance
1 -19 °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
3 1946 Freytag, H. < -30 °C UTI: 6-1018-15022/0-39
UTI: 6-1018-15022/0-39;
Line no Flash point
  • closed cup
  • property of pure substance
1 < -30 °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
4 1946 Freytag, H. -19 °C UTI: 6-1018-15023/0-39
UTI: 6-1018-15023/0-39;
Line no Flash point
  • property of pure substance
1 -19 °C [1]
[1] Measuring method doubtful
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
5 1950 -19 °C UTI: 1-1018-15018/0-39
UTI: 1-1018-15018/0-39;
Line no Flash point
  • closed cup
  • property of pure substance
1 -19 °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
6 1951 Oehley, E. -19 °C UTI: 13-1018-15027/0-39
UTI: 13-1018-15027/0-39;
Line no Flash point
  • property of pure substance
1 -19 °C
Bibliographic data
Title Stoffdaten
Author Oehley, E.
Year 1951
Publisher Farbwerke Hoechst, Techn. Abt. Farben-Gruppe
Language GERM
7 1963 Nabert, K.; Schön, G. < -20 °C UTI: 1000-1018-15063/0-39
UTI: 1000-1018-15063/0-39;
Line no Flash point
  • experimental
  • closed cup
  • property of pure substance
1 < -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
Limiting value for flammability (Tci)
1 2008 Physikalisch-Technische Bundesanstalt (PTB) 8.1 Mol% UTI: 232-1018-15062/0-39
UTI: 232-1018-15062/0-39;
Line no Limiting value for flammability (Tci)
  • recommended value
  • property of pure substance
1 8.1 Mol%
Bibliographic data
Author Physikalisch-Technische Bundesanstalt (PTB)
Year 2008
Title Draft for the revision of ISO 10156 'Gas cylinders - Gas and gas mixture - Determination of fire potential and oxidizing ability'
Database PTB
Publisher Datenbank PTB-Lab. 3.43
Language ENGL
Explosion limits
Lower explosion limit
1 1941 Berger, H. 5 Vol% UTI: 15-1018-15036/0-39
UTI: 15-1018-15036/0-39;
Line no Lower explosion limit
  • property of pure substance
1 5 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
2 1950 4.5 Vol% UTI: 1-1018-15019/0-39
UTI: 1-1018-15019/0-39;
Line no Lower explosion limit
  • property of pure substance
1 4.5 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
3 1951 Oehley, E. 5 Vol% UTI: 13-1018-15028/0-39
UTI: 13-1018-15028/0-39;
Line no Lower explosion limit
  • property of pure substance
1 5 Vol%
Bibliographic data
Title Stoffdaten
Author Oehley, E.
Year 1951
Publisher Farbwerke Hoechst, Techn. Abt. Farben-Gruppe
Language GERM
4 1952 Coward, H.F.; Jones, G.W. 5 Vol% ... 5.9 Vol% UTI: 22-1018-15040/0-39
UTI: 22-1018-15040/0-39;
Line no Lower explosion limit
  • property of pure substance
1 5 Vol%
2 5.9 Vol%
Bibliographic data
Title Limits of Flammability of Gases and Vapours
Author Coward, H.F.; Jones, G.W.
Year 1952
Publisher United States Government Printing Office
Publisher City Washington
Language ENGL
5 1963 Nabert, K.; Schön, G. 5 Vol% ... 5.9 Vol% ± 10 % UTI: 1000-1018-15071/0-39
UTI: 1000-1018-15071/0-39;
Line no Lower explosion limit
  • best available value
  • property of pure substance
1 5 Vol% ± 10 %
2 5.9 Vol% ± 10 %
3 120 g/m3 ± 10 % ⚠
4 145 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
Upper explosion limit
1 1941 Berger, H. 22.7 Vol% UTI: 15-1018-15037/0-39
UTI: 15-1018-15037/0-39;
Line no Upper explosion limit
  • property of pure substance
1 22.7 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
2 1950 20 Vol% UTI: 1-1018-15020/0-39
UTI: 1-1018-15020/0-39;
Line no Upper explosion limit
  • property of pure substance
1 20 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
3 1951 Oehley, E. 22.7 Vol% UTI: 13-1018-15029/0-39
UTI: 13-1018-15029/0-39;
Line no Upper explosion limit
  • property of pure substance
1 22.7 Vol%
Bibliographic data
Title Stoffdaten
Author Oehley, E.
Year 1951
Publisher Farbwerke Hoechst, Techn. Abt. Farben-Gruppe
Language GERM
4 1952 Coward, H.F.; Jones, G.W. 20 Vol% ... 23 Vol% UTI: 22-1018-15041/0-39
UTI: 22-1018-15041/0-39;
Line no Upper explosion limit
  • property of pure substance
1 20 Vol%
2 23 Vol%
Bibliographic data
Title Limits of Flammability of Gases and Vapours
Author Coward, H.F.; Jones, G.W.
Year 1952
Publisher United States Government Printing Office
Publisher City Washington
Language ENGL
5 1963 Nabert, K.; Schön, G. 20 Vol% ... 23 Vol% ± 5 % UTI: 1000-1018-15072/0-39
UTI: 1000-1018-15072/0-39;
Line no Upper explosion limit
  • property of pure substance
1 20 Vol% ± 5 %
2 23 Vol% ± 5 %
3 500 g/m3 ± 5 % ⚠
4 570 g/m3 ± 5 % ⚠
⚠ 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
Maximum experimental safe gap
1 1992 Nabert, K.; Schön, G.; Redeker, T. 0.94 mm UTI: 1050-1018-15073/0-39
UTI: 1050-1018-15073/0-39;
Line no Maximum experimental safe gap
  • recommended value
  • property of pure substance
1 0.94 mm
Bibliographic data
Author Nabert, K.; Schön, G.; Redeker, T.
Year 1992
Title Sicherheitstechnische Kenngrößen brennbarer Gase und Dämpfe
Publisher Deutscher Eichverlag
Publisher City Braunschweig
Language GERM
Stoichiometric fraction of combustible substance in mixture with air
1 2005 Physikalisch-Technische Bundesanstalt (PTB) 9.5 Mol% UTI: 220-1018-15060/0-39
UTI: 220-1018-15060/0-39;
Line no Stoichiometric fraction of combustible substance in mixture with air
  • recommended value
  • property of pure substance
1 9.5 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
1 2005 Physikalisch-Technische Bundesanstalt (PTB) 33.3 Mol% UTI: 219-1018-15059/0-39
UTI: 219-1018-15059/0-39;
Line no Stoichiometric fraction of combustible substance in mixture with oxygen
  • recommended value
  • property of pure substance
1 33.3 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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