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Registration Dossier
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EC number: 268-407-8 | CAS number: 68083-58-9
Auto flammability
Administrative data
Link to relevant study record(s)
- Endpoint:
- auto-flammability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 17 November to 19 November 2014
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: DIN 51794 (2003)
- Deviations:
- no
- GLP compliance:
- no
- Auto-ignition temperature:
- 410 °C
- Atm. press.:
- 994.6 hPa
- Remarks on result:
- other: The auto-ignition temperature rounded down with an accuracy of 5 °C was determined to be 410 °C.
- Conclusions:
- The auto-ignition temperature of 1,3-dimethyl-3-phenylbutyl acetate was determined to be 410 °C at 994.6 hPa.
- Executive summary:
The auto-ignition temperature of 1,3-dimethyl-3-phenylbutyl acetate was determined to be 410 °C at 994.6 hPa (2014). The auto-ignition temperature of the test item was determined according to Regulation EC No. 440/2008 Method A.15. Auto-Ignition Temperature (Liquids and Gases) and DIN 51794 (2003): Determination of Ignition Temperature. The study is considered reliable and relevant for use for this endpoint.
Reference
Lowest temperature at which ignition occurred
Main test series |
Lowest temperature of an ignition (ºC) |
Highest temperature without ignition (ºC) |
Atmospheric pressure (hPa) |
1 |
415 |
413 |
994.6 |
2 |
414 |
412 |
994.6 |
3 |
414 |
412 |
994.6 |
According to observations in the main test series, the auto-ignition temperature rounded down with an accuracy of 5 °C was determined to be 410 °C.
According to ECHA guidance: Guidance on information requirements and chemical safety assessments; chapter R. 7A: Endpoint specific guidance , May 2008 – the auto-ignition temperature for liquids is not used directly for classification and labelling according to regulation (EC) 1272/2008. However, it can be used in the chemical safety assessment in considering risks associated with processing the substance.
According to DIN EN 13463-1 the test item has to be assigned to temperature class T2 (auto-ignition temperaure ≥ 300°C - < 450 °C).
Description of key information
The auto-ignition temperature of 1,3-dimethyl-3-phenylbutyl acetate was determined to be 410 °C at 994.6 hPa.
Key value for chemical safety assessment
- Autoflammability / Self-ignition temperature at 101 325 Pa:
- 410 °C
Additional information
The auto-ignition temperature of the test item was determined according to Regulation EC No. 440/2008 Method A.15. Auto-Ignition Temperature (Liquids and Gases) and DIN 51794 (2003): Determination of Ignition Temperature.(2014). The study is considered reliable and relevant for use for this endpoint.
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