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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:
9 December 2011 to 31 August 2012
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
according to guideline
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
according to guideline
other: Deutsches Institut für Normung (DIN), DIN Guide 51794: "Determining the Ignition Temperature of Petroleum Products", May 2003.
according to guideline
other: International Electrotechnical Commission (IEC), IEC standard 79-4: "Electrical Apparatus for Explosive Gas Atmospheres, Part 4, Method of Test for Ignition Temperature", 1975.
GLP compliance:
Key result
Auto-ignition temperature:
295 °C
Atm. press.:
>= 989.9 - <= 1 016.8 hPa
Remarks on result:

Preliminary test:

The estimated auto-ignition temperature was 310 °C.

Main study:

Ignition of the test substance within 5 minutes after introduction was observed with each sample volume and with each test a minimum auto-ignition temperature was obtained. The maximum deviation between the three values was < 10 °C. According to the guidelines, no further testing was required. The lowest temperature at which ignition of the test substance occurred was 299 °C. This temperature was rounded off to the nearest multiple of 5 °C giving an auto-ignition temperature of the test substance of 295 °C.

The auto-ignition temperature of verdox is 295°C.
Executive summary:

The auto-ignition temperature of Verdox was investigated according to EC method A15 (DIN 51794). The auto-ignition temperature was 295 °C at 989.9 -1016.8 hPa.

Description of key information

The auto-ignition temperature of Verdox was investigated in a study according to EC Method A15 (DIN 51794).

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
295 °C

Additional information