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Diss Factsheets

Physical & Chemical properties

Auto flammability

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auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions
Test procedure in accordance with national standard methods (DIN) without GLP.
according to guideline
DIN 51794 (Testing of mineral oil hydrocarbons - Determination of ignition temperature)
Version / remarks:
DIN 51794
GLP compliance:
Key result
Auto-ignition temperature:
256 °C
Atm. press.:
1 008 mBar
Remarks on result:


Date:2009 -11 -30


certified reference sample:n-Dodecan

self ignition temperature (theory) in °C:205

self ignition temperature (experimental) in °C:206

atmospheric pressure in mBar:1006.0


(repeat determination)

self ignition temperature in °C:256 / 255

atmospheric pressure in mBar:1007 / 1008

The auto ignition temperature was found to be 256°C using a relevant test method. The result is considered to be reliable.
Executive summary:

Docosan-1-ol was determined according DIN 51794. The self ignition temperature was determined to be 256 °C at atmospheric pressure.

Description of key information

The auto-ignition temperature of docosan-1-ol is 256°C at 1013 hPa.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
256 °C

Additional information

An auto-ignition temperature of 256°C at 1013 hPa was determined for the substance in accordance with DIN 51794. The result is considered to be reliable.

Discussion of trends in the Category of C6-24 linear and essentially-linear aliphatic alcohols:

As carbon number increases, auto-ignition temperature generally decreases. Molecular weight is higher and intermolecular forces in the substance are all higher.