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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Auto flammability

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Administrative data

Link to relevant study record(s)

auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
The study was conducted according to national standard method ASTM E 659-78. It was not compliant with GLP.
according to guideline
ASTM E659 (Standard test method for autoignition temperature of liquid chemicals)
Version / remarks:
ASTM E659-78
not specified
GLP compliance:
Key result
Auto-ignition temperature:
331 °C
Atm. press.:
1 013 hPa

Time to reaction: 23 secs

Flame observed

An auto-ignition temperature value of 331°C at 1013 hPa was determined for the substance in a reliable study conducted according to ASTM E659-78. It was not conducted according to GLP.

Description of key information

Auto-ignition temperature: 331°C at 1013 hPa (ASTM E659-78)

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
331 °C

Additional information

Several reliable auto-ignition temperature studies are available for the submission substance. A measured auto-ignition temperature value of 331°C at 1013 hPa was obtained using a relevant test method according to ASTM E659-78 but not in compliance with GLP. The result is considered to be reliable and is selected as key study.

The key study is supported by auto-ignition temperature values of 325°C and 349°C at 1013 hPa using DIN 51794 and ASTM E659 Test Methods respectively. In a handbook or collection of reliable data, auto-ignition temperature value of 380°C at 1013 hPa was reported for the substance.

In available secondary sources to which reliability could not be assigned, auto-ignition temperature values of 325°C at 1013 hPa and 380°C were reported for the substance.