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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:
2017-02-24
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.9 (Flash-Point)
Version / remarks:
2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
ISO 3679 (Determination of flash point - Rapid equilibrium closed cup method)
Version / remarks:
March 2015
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
equilibrium method closed cup
Flash point apparatus:
Setaflash apparatus
Key result
Flash point:
95 °C
Atm. press.:
1 013 hPa

 


Preliminary test


Atmospheric pressure: 99.0 kPa


Relative humidity: About 22 %


 













































Temperature(°C)



Flash
observation



Observed temperature
(OT)



Corrected temperature with the calibration curve (CT)



Corrected to Patm
(C)



81.1



79.5



80.0



No



91.3



89.5



90.0



No



101.4



99.5



100.0



No



111.6



109.5



110.0



Yes



106.5



104.5



105.0



No



 


The flash point was observed between 105.0 °C and 110.0 °C (corrected values).


 


Main test


Atmospheric pressure: 99.0 kPa


Relative humidity: About 23 %


  
































































Temperature (°C)



 



Observed temperature (OT)



Corrected temperature with the calibration curve (CT)



Corrected to Patm (C)



Flash observation



95.8



94.0



95.0*



Yes



90.8



89.0



90.0



No



91.8



90.0



91.0



No



92.8



91.0



92.0



No



93.8



92.0



93.0



No



94.8



93.0



94.0



No



95.8



94.0



95.0



No



96.9



95.0



96.0



Yes



 


*As a flash point was recorded at 95.0 °C, the temperature was decreased by 5 °C.


 


 Conclusion


 


The flash point of the test item was 95.0 ± 1.0 °C (corrected value).


 

Interpretation of results:
GHS criteria not met
Conclusions:
A flash point value of 95.0 ± 1.0 °C at 1013 hPa was determined for the substance using a relevant test method and in compliance with GLP. The result is considered to be reliable.

Description of key information

Flash point: 95.0 ± 1.0 °C at 1013 hPa (ISO 3679)

Key value for chemical safety assessment

Flash point at 101 325 Pa:
95 °C

Additional information

A measured flash point value of 95.0 ± 1.0 °C at 1013 hPa was determined for the substance using a rapid equilibrium closed-cup method in accordance with ISO 3679 Test Method and in compliance with GLP. The result is considered to be reliable.


 


 


In secondary sources to which reliability could not be assigned, flash point values of 85 °C and 88 °C at 1013 hPa were reported for the substance with the use of relevant closed-cup methods.


 


 


A measured flash point value of 95.0 ± 1.0 °C and a predicted boiling point of 200 °C indicate that the substance should not be classified for flammability in accordance with Regulation (EC) No. 1272/2008.