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Auto flammability

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Reference
Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1st July to 6th July 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
ASTM E659 (Standard test method for autoignition temperature of liquid chemicals)
Version / remarks:
14
Deviations:
no
GLP compliance:
no
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Key result
Auto-ignition temperature:
242 °C
Atm. press.:
101.9 kPa

Table of results:

 Inner flask temp [°C]  Conc. [µl]  Clean flask [Y/N]  Ignition [Y/N]  Time lag [s]  Comments
 500  100  Y  Y  1  Medium flame
 440  100  Y  Y  1  Medium flame
 380  100  Y  Y  1  Small flame
 350  100  Y  Y  1  Small flame
 320  100  Y  Y  2  Medium flame
 290  100  Y  Y  3  Medium flame
 260  100  Y  Y  7  Small flame
230   100  Y  N  -  -
 230  150  Y  N  -  -
 245  100  Y  Y  14  Small flame
 239  100  Y  N  -  -
 239  150  Y  N  -  -
 242  100  Y  N  -  -
 242  150  Y  N  -  -
 242  200  Y  N  -  -
 242  300  Y  N  -  -
 242  50  Y  N  -  -
 242  80  Y  N  -  -
 242  400  Y  Y  22  Medium flame
 239  400  Y  N  -  -
 239 500   Y  N  -  -
 239  600  Y  N  -  -
 239  300  Y  N  -  -
 239  200  Y  N  -  -
 239  700  Y  N  -  -
 239  800  Y  N  -  -
Executive summary:

Dibenzylbenzene, ar-methyl derivative, hydrogenated was tested according guideline ASTM E659 -14. The autoignition temperature is 242 °C at atmospheric pressure.

Description of key information

ASTM Guideline study without deviations.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
242 °C

Additional information