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CAS Number: 74-90-8
Sum Formula: CHN
Molar Mass: 27 g/mol
German Synonyms: Blausäure | Cyanwasserstoff | Ameisensäurenitril | Cyanwasserstoffsäure
English Synonyms: Prussic acid | Hydrogen cyanide | Hydrocyanic acid
EC Index Number: 006-006-00-X
EC Number: 200-821-6
Properties: Flammable, Poisonous
Temperature Class: T1
Explosion Group: IIB
Structural Formula Hydrocyanic acid

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. 2: acute toxicity by inhalation, category 2
  • Aquatic Acute 1: acute hazards to the aquatic environment, category 1
  • Aquatic Chronic 1: long-term hazards hazards to the aquatic environment, category 1
GHS Pictogram:
pictogram flammable
pictogram toxic
pictogram environmental hazard





GHS Signal Word: Danger
GHS Hazard Statement:
  • H224: Extremely flammable liquid and vapour.
  • H330: Fatal if inhaled.
  • H400: Very toxic to aquatic life.
  • H410: Very toxic to aquatic life with long lasting effects.

Antoine parameters
1 1973 Boublik, T.; Fried, V.; Hala, E. 7.52823 Torr UTI: 128-729-7445/0-39
UTI: 128-729-7445/0-39;
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 < 46 °C > -17 °C 260.418 °C 1329.49 °C 7.52823 Torr
Bibliographic data
Title The Vapour Pressures of Pure Substances
Author Boublik, T.; Fried, V.; Hala, E.
Year 1973
Publisher Elsevier Scientific Publishing Company;Amsterdam,
Abstract English Selected values of the temperature dependence of the vapor pres- sures of some pure substances in the normal and low pressure region
Language ENGL
Boiling point
1 1941 Berger, H. 1013.25 hPa 26.5 °C UTI: 15-729-7428/0-39
UTI: 15-729-7428/0-39;
Line no Boiling temperature Pressure
  • defined value
  • at atmospheric pressure
  • saturated
  • property of pure substance
  • saturated
1 26.5 °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 26 °C UTI: 1-729-7411/0-39
UTI: 1-729-7411/0-39;
Line no Boiling temperature Pressure
  • defined value
  • at atmospheric pressure
  • saturated
  • property of pure substance
  • saturated
1 26 °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 25.8 °C UTI: 13-729-7422/0-39
UTI: 13-729-7422/0-39;
Line no Boiling temperature Pressure
  • defined value
  • at atmospheric pressure
  • saturated
  • property of pure substance
  • saturated
1 25.8 °C 1013.25 hPa
Bibliographic data
Title Stoffdaten
Author Oehley, E.
Year 1951
Publisher Farbwerke Hoechst, Techn. Abt. Farben-Gruppe
Language GERM
4 1959 DIN 1013.25 hPa 25.7 °C UTI: 57-729-7439/0-39
UTI: 57-729-7439/0-39;
Line no Boiling temperature Pressure
  • defined value
  • at atmospheric pressure
  • saturated
  • property of pure substance
  • saturated
1 25.7 °C 1013.25 hPa
Bibliographic data
Author DIN
Year 1959
Title Entwurf DIN 477 Blatt 1
Language GERM
5 1963 Nabert, K.; Schön, G. 1013.25 hPa 26 °C UTI: 1000-729-7469/0-39
UTI: 1000-729-7469/0-39;
Line no Boiling temperature Pressure
  • defined value
  • at atmospheric pressure
  • property of pure substance
1 26 °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
Critical point
1 1959 DIN 183.5 °C UTI: 57-729-7438/0-39
UTI: 57-729-7438/0-39;
Line no Critical temperature
  • defined value
  • saturated
  • property of pure substance
1 183.5 °C
Bibliographic data
Author DIN
Year 1959
Title Entwurf DIN 477 Blatt 1
Language GERM
Density
1 1941 Berger, H. 1013.25 mbar 18 °C 0.697 g/cm3 UTI: 15-729-7429/0-39
UTI: 15-729-7429/0-39;
Line no Temperature Pressure Density
  • property of pure substance
  • defined value
  • property of pure substance
1 18 °C 1013.25 mbar 0.697 g/cm3
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 0.697 g/cm3 UTI: 1-729-7412/0-39
UTI: 1-729-7412/0-39;
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 0.697 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. 1013.25 hPa 20 °C 0.699 g/cm3 UTI: 13-729-7423/0-39
UTI: 13-729-7423/0-39;
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 0.699 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
4 1963 Nabert, K.; Schön, G. 1013.25 hPa 20 °C 0.69 g/cm3 UTI: 1000-729-7470/0-39
UTI: 1000-729-7470/0-39;
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 0.69 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
Melting point
1 1941 Berger, H. -13 °C UTI: 15-729-7427/0-39
UTI: 15-729-7427/0-39;
Line no Melting temperature
  • defined value
  • at atmospheric pressure
  • property of pure substance
1 -13 °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 -12 °C UTI: 1-729-7410/0-39
UTI: 1-729-7410/0-39;
Line no Melting temperature
  • defined value
  • at atmospheric pressure
  • property of pure substance
1 -12 °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. -13.2 °C UTI: 13-729-7421/0-39
UTI: 13-729-7421/0-39;
Line no Melting temperature
  • defined value
  • at atmospheric pressure
  • property of pure substance
1 -13.2 °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 -13 °C UTI: 1000-729-7474/0-39
UTI: 1000-729-7474/0-39;
Line no Melting temperature Pressure
  • defined value
  • at atmospheric pressure
  • saturated
  • property of pure substance
  • recommended value
  • at atmospheric pressure
  • saturated
1 -13 °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. 0.9 UTI: 15-729-7430/0-39
UTI: 15-729-7430/0-39;
Line no Relative gas density
  • defined value
  • property of pure substance
1 0.9
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 0.93 UTI: 1-729-7413/0-39
UTI: 1-729-7413/0-39;
Line no Relative gas density
  • defined value
  • property of pure substance
1 0.93
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. 0.93 UTI: 1000-729-7471/0-39
UTI: 1000-729-7471/0-39;
Line no Relative gas density
  • defined value
  • property of pure substance
1 0.93
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
1 2009 Physikalisch-Technische Bundesanstalt (PTB) UTI: 228-729-7463/0-39
UTI: 228-729-7463/0-39;
Line no Solubility in water
  • defined value
  • property of pure substance
1 miscible with water [1]
[1] miscible with water
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. 535 °C UTI: 1000-729-7472/0-39
UTI: 1000-729-7472/0-39;
Line no Autoignition Temperature
  • recommended value
  • according to german standard
  • property of pure substance
1 535 °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. 538 °C UTI: 15-729-7432/0-39
UTI: 15-729-7432/0-39;
Line no Autoignition Temperature
  • methode not internationally standardized
  • property of pure substance
1 538 °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. 538 °C UTI: 26-729-7437/0-39
UTI: 26-729-7437/0-39;
Line no Autoignition Temperature
  • methode not internationally standardized
  • property of pure substance
1 538 °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 538 °C UTI: 1-729-7416/0-39
UTI: 1-729-7416/0-39;
Line no Autoignition Temperature
  • methode not internationally standardized
  • property of pure substance
1 538 °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. 538 °C UTI: 13-729-7426/0-39
UTI: 13-729-7426/0-39;
Line no Autoignition Temperature
  • methode not internationally standardized
  • property of pure substance
1 538 °C
Bibliographic data
Title Stoffdaten
Author Oehley, E.
Year 1951
Publisher Farbwerke Hoechst, Techn. Abt. Farben-Gruppe
Language GERM
Flash point
1 1963 Nabert, K.; Schön, G. < -20 °C UTI: 1000-729-7467/0-39
UTI: 1000-729-7467/0-39;
Line no Flash point
  • recommended value
  • 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
2 1941 Berger, H. -18 °C UTI: 15-729-7431/0-39
UTI: 15-729-7431/0-39;
Line no Flash point
  • closed cup
  • property of pure substance
1 -18 °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: 6-729-7418/0-39
UTI: 6-729-7418/0-39;
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 1950 -18 °C UTI: 1-729-7414/0-39
UTI: 1-729-7414/0-39;
Line no Flash point
  • closed cup
  • property of pure substance
1 -18 °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. -30 °C ... -18 °C UTI: 13-729-7424/0-39
UTI: 13-729-7424/0-39;
Line no Flash point
  • closed cup
  • property of pure substance
1 -30 °C ... -18 °C
Bibliographic data
Title Stoffdaten
Author Oehley, E.
Year 1951
Publisher Farbwerke Hoechst, Techn. Abt. Farben-Gruppe
Language GERM
Limiting value for flammability (Tci)
1 2008 Physikalisch-Technische Bundesanstalt (PTB) 5.4 Mol% UTI: 232-729-7464/0-39
UTI: 232-729-7464/0-39;
Line no Limiting value for flammability (Tci)
  • recommended value
  • property of pure substance
1 5.4 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 1963 Nabert, K.; Schön, G. 5.4 Vol% ± 10 % UTI: 1000-729-7475/0-39
UTI: 1000-729-7475/0-39;
Line no Lower explosion limit
  • recommended value
  • property of pure substance
1 5.4 Vol% ± 10 %
2 60 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
2 1941 Berger, H. 5.6 Vol% ... 7 Vol% UTI: 15-729-7433/0-39
UTI: 15-729-7433/0-39;
Line no Lower explosion limit
  • property of pure substance
1 5.6 Vol%
2 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
3 1946 Freytag, H. 63 g/m3 UTI: 6-729-7419/0-39
UTI: 6-729-7419/0-39;
Line no Lower explosion limit
  • property of pure substance
1 63 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
4 1950 5.6 Vol% UTI: 1-729-7415/0-39
UTI: 1-729-7415/0-39;
Line no Lower explosion limit
  • property of pure substance
1 5.6 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
5 1952 Coward, H.F.; Jones, G.W. 6 Vol% UTI: 22-729-7435/0-39
UTI: 22-729-7435/0-39;
Line no Lower explosion limit
  • property of pure substance
1 6 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
6 1959 DIN 5.6 Vol% UTI: 57-729-7440/0-39
UTI: 57-729-7440/0-39;
Line no Lower explosion limit
  • property of pure substance
1 5.6 Vol%
Bibliographic data
Author DIN
Year 1959
Title Entwurf DIN 477 Blatt 1
Language GERM
7 1965 Dittmar, P.; Voigtsberger, P.; Conrad, D. 5.5 Vol% UTI: 234-729-7465/0-39
UTI: 234-729-7465/0-39;
Line no Lower explosion limit
  • experimental
  • property of pure substance
1 5.5 Vol% [1]
[1] Capacitor discharge: 2.25 Ws, spark gap = 2.0mm
Bibliographic data
Title Entwicklung und Anwendung eines Verfahrens zur Ermittlung der Zündgrenzen brennbarer Gase und Dämpfe in Mischung mit Luft oder Sauerstoff
Author Dittmar, P.; Voigtsberger, P.; Conrad, D.
Year 1965
Journal Title Arbeitsschutz Cologne
Publisher Arbeitsschutz Cologne
Abstract English Description of a method for determining the explosion limits of flam mable gases and liquids
Language GERM
Upper explosion limit
1 1963 Nabert, K.; Schön, G. 46.6 Vol% ± 5 % UTI: 1000-729-7476/0-39
UTI: 1000-729-7476/0-39;
Line no Upper explosion limit
  • recommended value
  • property of pure substance
1 46.6 Vol% ± 5 %
2 520 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
2 1941 Berger, H. 40 Vol% ... 41 Vol% UTI: 15-729-7434/0-39
UTI: 15-729-7434/0-39;
Line no Upper explosion limit
  • property of pure substance
1 40 Vol%
2 41 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
3 1946 Freytag, H. 460 g/m3 UTI: 6-729-7420/0-39
UTI: 6-729-7420/0-39;
Line no Upper explosion limit
  • property of pure substance
1 460 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
4 1950 40 Vol% UTI: 1-729-7417/0-39
UTI: 1-729-7417/0-39;
Line no Upper explosion limit
  • property of pure substance
1 40 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
5 1951 Oehley, E. 40 Vol% UTI: 13-729-7425/0-39
UTI: 13-729-7425/0-39;
Line no Upper explosion limit
  • property of pure substance
1 40 Vol%
Bibliographic data
Title Stoffdaten
Author Oehley, E.
Year 1951
Publisher Farbwerke Hoechst, Techn. Abt. Farben-Gruppe
Language GERM
6 1952 Coward, H.F.; Jones, G.W. 41 Vol% UTI: 22-729-7436/0-39
UTI: 22-729-7436/0-39;
Line no Upper explosion limit
  • property of pure substance
1 41 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
7 1959 DIN 46.6 Vol% UTI: 57-729-7441/0-39
UTI: 57-729-7441/0-39;
Line no Upper explosion limit
  • property of pure substance
1 46.6 Vol%
Bibliographic data
Author DIN
Year 1959
Title Entwurf DIN 477 Blatt 1
Language GERM
8 1965 Dittmar, P.; Voigtsberger, P.; Conrad, D. 46.6 Vol% UTI: 234-729-7466/0-39
UTI: 234-729-7466/0-39;
Line no Upper explosion limit
  • experimental
  • property of pure substance
1 46.6 Vol%
Bibliographic data
Title Entwicklung und Anwendung eines Verfahrens zur Ermittlung der Zündgrenzen brennbarer Gase und Dämpfe in Mischung mit Luft oder Sauerstoff
Author Dittmar, P.; Voigtsberger, P.; Conrad, D.
Year 1965
Journal Title Arbeitsschutz Cologne
Publisher Arbeitsschutz Cologne
Abstract English Description of a method for determining the explosion limits of flam mable gases and liquids
Language GERM
Maximum experimental safe gap
1 1992 Nabert, K.; Schön, G.; Redeker, T. 0.8 mm UTI: 1050-729-7477/0-39
UTI: 1050-729-7477/0-39;
Line no Maximum experimental safe gap
  • recommended value
  • property of pure substance
1 0.8 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
Maximum explosion pressure
1 1963 Nabert, K.; Schön, G. 10.2 bar UTI: 1000-729-7473/0-39
UTI: 1000-729-7473/0-39;
Line no Maximum explosion pressure
  • recommended value
  • experimental
  • property of pure substance
1 10.2 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
Stoichiometric fraction of combustible substance in mixture with air
1 2005 Physikalisch-Technische Bundesanstalt (PTB) 14.3 Mol% UTI: 220-729-7462/0-39
UTI: 220-729-7462/0-39;
Line no Stoichiometric fraction of combustible substance in mixture with air
  • 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 Luft (c_stoech)
Database PTB
Publisher Datenbank PTB-Lab. 3.43
Language GERM

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