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CAS Number: 539-82-2
Sum Formula: C7H14O2
Molar Mass: 130.2 g/mol
German Synonyms: Ethylvalerat | Ethylpentanoat | Pentansäureethylester
English Synonyms: Ethyl valerate | Pentanoic acid ethyl ester
EC Number: 208-726-1
Temperature Class: T2
Structural Formula Pentanoic acid ethyl 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. 3: flammable liquids, category 3
GHS Pictogram:
pictogram flammable





GHS Signal Word: Warning
GHS Hazard Statement:
  • H226: Flammable liquid and vapour.

Antoine parameters
1 1952 Dreisbach, R.R. 7.50824 Torr UTI: 139-2783-34218/0-39
UTI: 139-2783-34218/0-39;
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 < 229 °C > 30 °C 230 °C 1735.285 °C 7.50824 Torr
Bibliographic data
Author Dreisbach, R.R.
Year 1952
Title Pressure-Volume-Temperature Relationship of Organic Compounds
Publisher Handbook Publishers, Inc.
Publisher City Sandusky, Ohio, USA
Language ENGL
Boiling point
1 1991 Physikalisch-Technische Bundesanstalt (PTB) 1013.25 hPa 145 °C UTI: 4801-2783-34230/0-39
UTI: 4801-2783-34230/0-39;
Line no Boiling temperature Pressure
  • defined value
  • at atmospheric pressure
  • saturated
  • property of pure substance
  • saturated
1 145 °C 1013.25 hPa
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
Density
1 1991 Physikalisch-Technische Bundesanstalt (PTB) 1013.25 hPa 20 °C 0.87 g/cm3 UTI: 4801-2783-34231/0-39
UTI: 4801-2783-34231/0-39;
Line no Density Temperature Pressure
  • defined value
  • at atmospheric pressure and room temperature
  • property of pure substance
  • property of pure substance
1 0.87 g/cm3 20 °C 1013.25 hPa
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
Melting point
1 1991 Physikalisch-Technische Bundesanstalt (PTB) -91 °C UTI: 4801-2783-34229/0-39
UTI: 4801-2783-34229/0-39;
Line no Melting temperature
  • defined value
  • experimental
  • at atmospheric pressure
  • property of pure substance
1 -91 °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
Solubility in water
1 2009 Physikalisch-Technische Bundesanstalt (PTB) 20 °C 2.23 g/l UTI: 228-2783-34223/0-39
UTI: 228-2783-34223/0-39;
Line no Solubility in water Temperature
  • defined value
  • property of pure substance
  • property of pure substance
1 2.23 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 1997 Physikalisch-Technische Bundesanstalt (PTB) 400 °C UTI: 4007-2783-34225/0-39
UTI: 4007-2783-34225/0-39;
Line no Autoignition Temperature
  • recommended value
  • experimental
  • international standard method
  • property of pure substance
1 400 °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
Author Physikalisch-Technische Bundesanstalt (PTB)
Year 1997
Title Sicherheitstechnische Kenngrößen: Messwerte 1997 des PTB-Laboratoriums 3.31
Database PTB
Publisher Datenbank PTB-Lab. 3.31
Language GERM
2 1975 Yagyu, S. 395 °C UTI: 179-2783-34219/0-39
UTI: 179-2783-34219/0-39;
Line no Autoignition Temperature
  • international standard method
  • property of pure substance
1 395 °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 1997 Physikalisch-Technische Bundesanstalt (PTB) 36 °C UTI: 4007-2783-34224/0-39
UTI: 4007-2783-34224/0-39;
Line no Flash point
  • recommended value
  • experimental
  • closed cup
  • property of pure substance
1 36 °C
Bibliographic data
Author Physikalisch-Technische Bundesanstalt (PTB)
Year 1997
Title Sicherheitstechnische Kenngrößen: Messwerte 1997 des PTB-Laboratoriums 3.31
Database PTB
Publisher Datenbank PTB-Lab. 3.31
Language GERM
Lower explosion limit
1 1997 Physikalisch-Technische Bundesanstalt (PTB) 1 Vol% UTI: 4007-2783-34227/0-39
UTI: 4007-2783-34227/0-39;
Line no Lower explosion limit
  • recommended value
  • experimental
  • property of pure substance
1 1 Vol%
2 54 g/m3 ⚠
⚠ The reference for the specification in g/m3 is the molar volume at 20 °C
Bibliographic data
Author Physikalisch-Technische Bundesanstalt (PTB)
Year 1997
Title Sicherheitstechnische Kenngrößen: Messwerte 1997 des PTB-Laboratoriums 3.31
Database PTB
Publisher Datenbank PTB-Lab. 3.31
Language GERM
2 Lower Explosion Limit as a function of temperature 1997 Physikalisch-Technische Bundesanstalt (PTB) 70 °C ... 150 °C 43 g/m3 ... 50 g/m3 UTI: 4007-2783-34226/0-39
Lower Explosion Limit as a function of temperature
UTI: 4007-2783-34226/0-39;
Line no Temperature Lower explosion limit
  • experimental
  • property of pure substance
  • recommended value
  • experimental
  • at atmospheric pressure
  • property of pure substance
1 70 °C 50 g/m3 ⚠
2 120 °C 46 g/m3 ⚠
3 150 °C 43 g/m3 ⚠
⚠ The reference for the specification in g/m3 is the molar volume at 20 °C
Bibliographic data
Author Physikalisch-Technische Bundesanstalt (PTB)
Year 1997
Title Sicherheitstechnische Kenngrößen: Messwerte 1997 des PTB-Laboratoriums 3.31
Database PTB
Publisher Datenbank PTB-Lab. 3.31
Language GERM
Stoichiometric fraction of combustible substance in mixture with air
1 2005 Physikalisch-Technische Bundesanstalt (PTB) 2.2 Mol% UTI: 220-2783-34222/0-39
UTI: 220-2783-34222/0-39;
Line no Stoichiometric fraction of combustible substance in mixture with air
  • recommended value
  • property of pure substance
1 2.2 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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