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Physical & Chemical properties

Auto flammability

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Type of information:
experimental study
Adequacy of study:
key study
Study period:
January 2012
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions
This study was considered as reliable with restrictions because it was not conducted under GLP and there are some lack of details in the study report.
Reason / purpose:
reference to other study
Reason / purpose:
reference to same study
according to
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
not specified
according to
other: Norm DIN 51794
not specified
GLP compliance:
Key result
Auto-ignition temperature:
250 °C
Atm. press.:
994 hPa
Remarks on result:
other: Time lag: 4 minutes

Preliminary study:

Time lag: 4 minutes ; amount 5 drops = 3 mL

Temperature   Results
 240°C  No-ignition
 260°C  Ignition

The preliminary results indicate that the auto-ignition temperature is aroud 260°C at 994 hPa.

Main study:

Time lag: 4 minutes ; amount of test item: 1 to 5 droplets = 0.6 to 3 mL

 Temperature exp 1  exp 2 exp 3 exp 4 exp 5
 240°C  No ignition No ignition   No ignition  No ignition  No ignition
 250°C No ignition  No ignition No ignition Ignition  -
 260°C Ignition   -  -  -

During the main test the auto-ignition temperature of nerol was determined to be 250°C at 994 hPa.

The auto ignition temperature of nerol was determined to be 250 °C at 994 hPa.
Executive summary:

The determination of the auto flammability was performed in accordance with regulation (EC) No 440/2008 method A.15 "Auto-Ignition Temperature (Liquids and Gases)" (May 2008) and the Standard Test Method DIN 51794.

In the preliminary test, ignition was observed at around 260 °C at 994 hPa.

In the main test, the auto ignition temperature of nerol was determined to be 250 °C at 994 hPa.


Description of key information

The auto ignition temperature of nerol is 250 °C at 994 hPa.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
250 °C

Additional information

Key study conducted according to EU A.15 guideline and DIN 51794 method. The result is scientifically acceptable but not obtained under GLP. Therefore a reliability of 2 (reliable with restrictions) was assigned.