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Reference
Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
This study was conducted between 19 October 2016 and 31 October 2016
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))
Version / remarks:
EC No. 440/2008 30 May 2008
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Specific details on test material used for the study:
Identification: 4,4'-Isopropylidenediphenol, oligomeric reaction products with 1-chloro-2,3-epoxypropane, reaction products with diethylenetriamine
Appearance/Physical state: Yellow/brown extremely viscous liquid
Batch: Ei3041
Purity: Not supplied
Expiry date: 01 May 2021
Storage conditions: Room temperature in the dark
Key result
Auto-ignition temperature:
ca. 432 °C
Atm. press.:
> 100.3 - < 100.5 kPa

Results of the auto-ignition temperature determination are shown in the following table:

 Test temperature (ºC)  Test volume (g)  Ignition delay (s)  Observations
 200 (clean flask)  0.2  >300  No ignition
 250 (clean flask)  0.3  >300  No ignition.
 300 (clean flask)  0.2  >300   No ignition. Light grey fumes emitted 
 350  0.2  >300   No ignition. Light grey fumes emitted
400   0.2   >300    No ignition. Light grey fumes emitted
 450  0.2 7   An orange flame.  Light grey fumes emitted
440 (clean flask)   0.2  10   An orange flame.  Light grey fumes emitted
 430 (clean flask)  0.2  >300   No ignition.  Light grey fumes emitted
432 (clean flask)   0.2  >300   No ignition. Grey fumes emitted
434 (clean flask)   0.2  16   An orange flame. Grey fumes emitted
432 (clean flask)   0.4   >300   No ignition. Grey fumes emitted
 432 (clean flask)  0.6  19   An ornage flame. Grey fumes emitted
430(clean flask)  0.6   >300   No ignition. Grey fumes emitted
 430 (clean flask)  0.8  >300   No ignition. Grey fumes emitted
  430 (clean flask)  1.0  >300   No ignition. Grey fumes emitted
  430 (clean flask)  1.2  >300   No ignition. Grey fumes emitted
  430(clean flask)  1.4  >300   No ignition. Grey fumes emitted

Room temperature: 20 °C Atmospheric pressure: 100.3 to 100.5 kPa

Conclusions:
The test item has been determined to have an auto-ignition temperature of 432 ± 5 °C.
Executive summary:

The hazardous physico-chemical properties of 4,4'-Isopropylidenediphenol, oligomeric reaction products with 1-chloro-2,3-epoxypropane, reaction products with diethylenetriamine have been determined.  

Auto-Ignition Temperature (Liquids and Gases).

432 ± 5 °C, using a procedure designed to be compatible with Method A.15 Auto-Ignition Temperature (Liquids and Gases) of Commission Regulation (EC) No 440/2008 of 30 May 2008.

Description of key information

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
432 °C

Additional information