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Flash point

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Reference
Endpoint:
flash point of flammable liquids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2014-10-08 to 2014-11-06
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.9 (Flash-Point)
Deviations:
no
Qualifier:
according to guideline
Guideline:
ISO 2719 (Determination of flash point - Pensky-Martens closed cup method)
Version / remarks:
2002
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
non-equilibrium method closed cup
Flash point apparatus:
Pensky-Martens apparatus
Key result
Flash point:
136 °C
Atm. press.:
1 013 hPa

Results:


Test 1:


Table 1: Flash point result of Test 1







































 



 



Flash point at atmospheric pressure [°C]



Flash point corrected to a pressure of 1013 hPa [°C]



Preliminary test



140



140.5



Main test 1



First run



139



139.5



Second run



133



133.5



Main test 2



First run



131



131.5*



Second run



**



**



*deviation from preliminary test too large (> 5°C); measurement not suitable for test evaluation


**measurement not possible; residual sample amount too little.


 


Because the difference between the two main test measurements was > 2°C, a second main test was necessary.


Therefore, due to the above mentioned facts (mean deviations > 5°C) and difficulties, it was decided after consultations with the study monitor to repeat the test completely with a new batch of the test item.


 


Test 2:


Table 2: Flash point result of Test 2







































 



 



Flash point at atmospheric pressure [°C]



Flash point corrected to a pressure of 1013 hPa [°C]



Preliminary test



139



139



Main test 1



First run



132



132



Second run



134



134



Main test 2



First run



136



136



Second run



**



**



**Result not evaluated; variation limit too large.


 

Interpretation of results:
GHS criteria not met
Conclusions:
A flash point value of 136°C at 1013 hPa was determined for the substance using a relevant test method and in compliance with GLP. The result is considered reliable.

Description of key information

Flash point: 136°C at 1013 hPa ( ISO 2719)

Key value for chemical safety assessment

Flash point at 101 325 Pa:
136 °C

Additional information

A measured flash point value of 136°C at 1013 hPa was determined for the submission substance using a non-equilibrium closed-cup method in accordance with ISO 2719 and in compliance with GLP. The result is considered to be reliable and is selected as key study.


 


Flash point values of 129°C at 1013 hPa and limit of > 100°C at 1013 hPa were reported for the substance in secondary sources to which reliability could not be assigned.


 


A measured flash point of 136°C at 1013 hPa and a measured boiling point of 269°C at 1013 hPa, indicate that the substance should not be classified for flammability in accordance with the criteria of Regulation (EC) No. 1272/2008.