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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:
December 1, 2016
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)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
closed cup
Flash point apparatus:
Pensky-Martens apparatus
Specific details on test material used for the study:
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: room temperature.
Key result
Flash point:
ca. 138.5 °C
Atm. press.:
ca. 101.6 kPa

Table 1. Results of the determination of flash point

     Preliminary test                                   

Test No 1                               

Test No 2                               

Temperature [°C]

Result

Temperature [°C]

Result

Temperature [°C]

Result

25

-

116

-

116

-

28

-

118

-

118

-

31

-

120

-

120

-

34

-

122

-

122

-

37

-

124

-

124

-

40

-

126

-

126

-

43

-

128

-

128

-

46

-

130

-

130

-

49

-

132

-

132

-

52

-

134

-

134

-

55

-

136

-

136

-

58

-

138

+

138

-

61

-

 

 

140

+

     Preliminary test                                   

Temperature [°C]

Result

64

-

67

-

70

-

73

-

76

-

79

-

82

-

85

-

88

-

91

-

94

-

97

-

100

-

103

-

106

-

109

-

112

-

116

-

120

-

124

-

128

-

132

-

136

+

(+) – yes, (–) – no

The value of flash point was corrected due to the deviation of the thermometer and atmospheric pressure.

C – determined flash pointafter including a thermometer deviation = 138.4°C;

p – ambient barometric pressure = 101.6 kPa.

 

T = C + 0.25 (101.3 – p) = 138.4 °C + 0.25(101.3 kPa – 101.6 kPa) =138.325 °C ≈ 138.5 °C

measurement uncertainty: 2.6°C

Interpretation of results:
GHS criteria not met
Conclusions:
The flash point of the test item was determined to be 138.5 ºC at 101.6 kPa.
Executive summary:

A flash point assay was performed with the test item according to EU method A.9 (PN-EN ISO 2719: 2007) using the Pensky-Martens closed cup method, following GLP. A preliminary test was performed to set the starting temperature for the test. Then, two test were performed applying the ignition source starting from the temperature lower by 20 ºC than the temperature which at the flash point occurred in the preliminary test. The flash point was determined to be 138.5ºC at 101.6 kPa.

Description of key information

Key study: EU method A.9. GLP study. The flash point of the test item was determined to be 138.5ºC at 101.6 kPa.

Key value for chemical safety assessment

Flash point at 101 325 Pa:
138.5 °C

Additional information

Key study: A flash point assay was performed with the test item according to EU method A.9 using the Pensky-Martens closed cup method, following GLP. A preliminary test was performed to set the starting temperature for the test. Then, two test were performed applying the ignition source starting from the temperature lower by 20 ºC than the temperature which at the flash point occurred in the preliminary test. The flash point was determined to be 138.5ºC at 101.6 kPa.