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Diss Factsheets

Physical & Chemical properties

Auto flammability

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Administrative data

Link to relevant study record(s)

Type of information:
experimental study
Adequacy of study:
key study
Study period:
2010-12-14 to 2011-01-07
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline study with acceptable restrictions
according to guideline
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
according to guideline
other: DIN 51794 determination of ignition temperature
GLP compliance:
Specific details on test material used for the study:
- Names of test material (as cited in study report): Lemonile; 3,7-dimethyl-2,6-nonadienenitrile
- Substance type: Colourless liquid
- Physical state: Liquid
- Analytical purity: 99.4 % (sum of components)
- Lot No: VE00101509
- Expiration date of the lot/batch: 2012-09-09
Auto-ignition temperature:
> 280 - < 290 °C
Remarks on result:
other: Pressure not recorded

Temperature (°C) Injected sample amount (µL)          Ignition delay (s)   
100 200 300 400
320 + 5
400  -  - - -
380 +       10
360 +     21
350 - - - -  

+ positive response (flame, blast or deflagration)

- negative response (nothing or smoke only in 300 s period).

The auto-ignition temperature of the test material was determined to be between 280 °C and 290 °C.

Description of key information

Autoignition temperature: 280 °C - 290 °C (EU method A15)

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
280 °C

Additional information

Bolzonella (2011) determined that the autoignition temperature of the substance was 290 °C ± 10 °C using EU method A15. The lowest temperature giving a positive effect was 290 °C. At a temperature of 280 °C, no ignition was observed. For the purpose of the "key value for chemical safety assessment", the lower value of 280 °C has been used.