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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:
2006-11-23 to 2007-01-17
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
GLP compliance:
yes (incl. QA statement)
Type of method:
closed cup
Flash point apparatus:
Pensky-Martens apparatus
Key result
Flash point:
153 °C
Atm. press.:
1 013.3 hPa

Weight / g

Flash point (measured) / °C

Atmospheric pressure / hPa

Flash point (corrected) / °C

60.3

154.1 *

989.4

 

60.8

152.0 **

989.4

152.59

61.2

153.0 **

989.4

153.59

* This data point was determined by the preliminary test (heating rate 8.5 K/min) and was not used for the determination of the final flash point.

** This data point was determined by heating rate 5.5 K/min, as proposed in DIN EN ISO 2719.

The mean flash point corrected to 1013 hPa is 153.1 °C.

The final flash point rounded down to 0.5 °C is 153.0 °C.

Interpretation of results:
GHS criteria not met
Conclusions:
The mean flash-point of the test item was determined to be 153.0 °C at 1013 hPa.
Executive summary:

A study was conducted according to Directive 92/69/EEC method A.9 to determine the flash point of the test item using the Pensky-Marten closed cup method. A preliminary test was performed with a heating rate of 8.5 K/min. Based on the result, the starting temperature for the main test was chosen. In the course of the study two subsequent tests with the test item were carried out. The values were corrected to 1013 hPa. The mean flash-point at 1013 hPa was determined to be 153.0 °C.

Description of key information

The mean flash-point of the test item was determined to be 153.0 °C at 1013 hPa.

Key value for chemical safety assessment

Flash point at 101 325 Pa:
153 °C

Additional information

A study was conducted according to Directive 92/69/EEC method A.9 to determine the flash point of the test item using the Pensky-Marten closed cup method. A preliminary test was performed with a heating rate of 8.5 K/min. Based on the result, the starting temperature for the main test was chosen. In the course of the study two subsequent tests with the test item were carried out. The values were corrected to 1013 hPa. The mean flash-point at 1013 hPa was determined to be 153.0 °C.