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Diss Factsheets

Physical & Chemical properties

Auto flammability

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2009-12-23
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline study with acceptable restrictions.
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Qualifier:
according to guideline
Guideline:
other: DIN 51794 determination of ignition temperature
GLP compliance:
no
Specific details on test material used for the study:
- Names of test material (as cited in study report): Aldehyde C10 decylic food grade; decanal
- Substance type: No data
- Physical state: No data
- Analytical purity: No data
- Impurities (identity and concentrations): No data
- Composition of test material, percentage of components: No data
- Isomers composition: No data
- Purity test date: No data
- Lot No: Distillate AT 170-07.09.2009
- Expiration date of the lot: No data
- Stability under test conditions: No data
- Storage condition of test material: No data
Auto-ignition temperature:
> 199 - < 204 °C
Remarks on result:
other: Pressure not recorded

Temperature (°C) Injected sample amount (µL)          Ignition delay (s)   
100  200 
310 + 0
210 + 16
200 + 64
190 - - -
195 - - -

+ positive response (flame, blast or deflagration)

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

The lowest temperature giving a positive effect was 200 °C. The injected volume was 200 µL, the ignition delay was 64 s. At a temperature of 195 °C no ignition was observed.

Conclusions:
The autoignition temperature of the test material was determined to be between 195 °C and 200 °C.

Description of key information

Autoignition temperature: 200 °C ± 10 °C (EU method A15)

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
195 °C

Additional information

Givaudan (2011) determined that the autoignition temperature of the substance was 200 °C ± 10 °C using EU method A15, DIN 51794. The lowest temperature giving a positive effect was 200 °C. At a temperature of 195 °C, no ignition was observed. For the purpose of the "key value for chemical safety assessment", the lower value of 195 °C has been used.