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Physical & Chemical properties

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:
November 14 to 22, 2007
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
The study was conducted according to an internationally recognised method, and under GLP. The substance is considered to be adequately characterised. Therefore full validation applies.
Qualifier:
according to
Guideline:
EU Method A.9 (Flash-Point)
Deviations:
no
Qualifier:
according to
Guideline:
ISO 3679 (Determination of flash point - Rapid equilibrium closed cup method)
Version / remarks:
ISO 3679-1983 (F)
Qualifier:
according to
Guideline:
ASTM D3278 (Standard test methods for flash point of liquids by small scale closed-cup apparatus)
Version / remarks:
ASTM D3278-96
Principles of method if other than guideline:
Not applicable
GLP compliance:
yes (incl. certificate)
Remarks:
Swiss GLP compliance programme (inspected on November 15 and 16, 2006/ signed on March 29, 2007)
Type of method:
equilibrium method closed cup
Key result
Flash point:
143 °C
Atm. press.:
101.325 kPa
Remarks on result:
other:
Remarks:
Corrected flash point
Flash point:
142 °C
Atm. press.:
99 kPa
Remarks on result:
other:
Remarks:
Observed flash point

Table 1: Flash point results

Temperature (°C)

Observations

Preliminary determination

27

No flash

52

No flash

59

No flash

66

No flash

78

No flash

85

No flash

96

No flash

100

No flash

115

No flash

125

No flash

133

No flash

144

Flash

Determination 1 (fresh sample)

126

No flash

131

No flash

138

No flash

139

No flash

140

No flash

141

No flash

142

Flash

Determination 2 (fresh sample)

129

No flash

132

No flash

133

No flash

136

No flash

139

No flash

 140  No flash
 141  No flash
 142  Flash

Atmospheric pressure: 99 kPa

Corrected flash point: 142.53 °C

 

The flash point of the test material has been determined to be 143 ± 2 °C

Interpretation of results:
GHS criteria not met
Conclusions:
The flash point of test substance is above the classification thresholds of 60°C (CLP criteria) or 93°C (GHS criteria). Therefore the test substance is NOT classified as a flammable liquid according to CLP and GHS criteria
Executive summary:

The flash point of the test substance was determined under GLP according to ISO 3679 (listed in EU A9 guideline), using closed cup equilibrium method.

 

The flash point of the test substance has been determined to be 143 ± 2 °C at normal atmospheric pressure.

Description of key information

The substance is NOT classified as a flammable liquid according to CLP and GHS criteria. 

Key value for chemical safety assessment

Flash point at 101 325 Pa:
143 °C

Additional information

A fully reliable experimental study, conducted according to a recognized ISO/EC method (closed cup equilibrium method) and under GLP, is available. It is considered as a key study. The result is retained as key data.

The result is above the thresholds of Regulation (EC) 1272/2008 (CLP) and UN Globally Harmonised System (GHS), respectively 60°C and 93°C, therefore the test substance is NOT classified as flammable liquid in the two systems.