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Flash point

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Endpoint:
flash point of flammable liquids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
06 November 2018 - 15 November 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.9 (Flash-Point)
Deviations:
no
Qualifier:
according to
Guideline:
ISO 2719 (Determination of flash point - Pensky-Martens closed cup method)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
closed cup
Flash point apparatus:
Pensky-Martens apparatus
Key result
Flash point:
58.5 °C
Atm. press.:
101.3 kPa

Table 1. Results of the determination of flash point

Preliminary test

Test No1

Test No 2

Temperature [°C]

Result

Temperature [°C]

Result

Temperature [°C]

Result

25

-

41

-

41

-

28

-

42

-

42

-

31

-

43

-

43

-

34

-

44

-

44

-

37

-

45

-

45

-

40

-

46

-

46

-

43

-

47

-

47

-

46

-

48

-

48

-

49

-

49

-

49

-

52

-

50

-

50

-

55

-

51

-

51

-

58

-

52

-

52

-

61

+

53

-

53

-

 

54

-

54

-

55

-

55

-

56

-

56

-

57

-

57

-

58

-

58

-

59

+

59

+

(+) – yes, (-) – no

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

C – determined flash point after including a thermometer deviation = 58.8°C;

p – ambient barometric pressure = 102.5 kPa.

T = C + 0.25 (101.3 – p) = 58.8ºC + 0.25(101.3 kPa – 102.5 kPa) = 58.5ºC

Measurement uncertainty: 1.2ºC.

Interpretation of results:
other: Flammable liquid cat. 3 (CLP Regulation EC no. 1272/2008)
Conclusions:
The flash point of the test item was determined to be 58.5ºC.
Executive summary:

In accordance with GLP study and EU A.9 method, the determination of flash point was carried out. The flash point of the test item was determined by closed-cup method and Pensky-Martens apparatus. A preliminary test was performed applying the ignition source at 3 °C temperature intervals from the ambient temperature. The next tests (two main tests) were performed applying the ignition source at 1 °C intervals beginning from the temperature lower by 18 -20°C than the flash point obtained in the preliminary test. The flash point value obtained was 59.0ºC in both test 1 and test 2. After correction due to deviation of the thermometer and atmospheric pressure the final flash point of the test item was determined to be 58.5 ± 1.2ºC at 101.3 kPa.

Endpoint:
flash point, other
Type of information:
other: data from peer reviewed handbook
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Principles of method if other than guideline:
No data provided on the method
GLP compliance:
not specified
Type of method:
other: No data
Flash point:
34 °C
Remarks on result:
other: no data on Atm. press.
Interpretation of results:
other: Flammable liquid cat. 3 (CLP Regulation EC no. 1272/2008)
Conclusions:
The flash point of camphene is 34 ºC.
Executive summary:

According to peer review handbook, the flash point of camphene is 34 ºC.

Endpoint:
flash point of flammable liquids
Type of information:
other: data from peer reviewed handbook
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Principles of method if other than guideline:
No data on test method
GLP compliance:
not specified
Type of method:
other: no data
Key result
Flash point:
32.3 °C
Remarks on result:
other: No data on atm. pressure reported.
Interpretation of results:
other: Flammable liquid cat. 3 (CLP Regulation EC no. 1272/2008)
Conclusions:
The flash point of alpha pinene is found to be 32.3 ºC.
Executive summary:

According with peer review handbook, the flash point of alpha pinene is found to be 32.3 ºC.

Endpoint:
flash point of flammable liquids
Type of information:
other: data from peer reviewed handbook
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Principles of method if other than guideline:
- Principle of test: closed cup
GLP compliance:
not specified
Type of method:
closed cup
Key result
Flash point:
37.2 °C
Remarks on result:
other: Information on pressure was not provided
Interpretation of results:
other: Flammable liquid cat. 3 (CLP Regulation EC no. 1272/2008)
Conclusions:
The flash point of the test item is 37.2 ºC.
Executive summary:

According to the peer reviewed handbook, the flash point of the test item is 37.2ºC.

Endpoint:
flash point, other
Type of information:
other: data from peer reviewed handbook
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Principles of method if other than guideline:
No data on test method
GLP compliance:
not specified
Key result
Flash point:
150 °F
Remarks on result:
other: No data on atm. pressure
Conclusions:
The flash point of dl-borneol was determined to be 150ºF (ca. 66ºC)
Executive summary:

According to the peer reviewed handbook, the flash point of dl-borneol is 150ºF (ca. 66ºC)

Description of key information

Key study: Test method EU A.9. GLP study. The flash point of the test item was determined to be 58.5ºC at 101.3 kPa.

Key value for chemical safety assessment

Flash point at 101 325 Pa:
58.5 °C

Additional information

Key study: The flash point of the test item was determined by closed-cup method and Pensky-Martens apparatus according to EU method A.9 and GLP. A preliminary test was performed applying the ignition source at 3 °C temperature intervals from the ambient temperature. The next tests (two main tests) were performed applying the ignition source at 1 °C intervals beginning from the temperature lower by 18 -20°C than the flash point obtained in the preliminary test. The flash point value obtained was 59.0ºC in both test 1 and test 2. After correction due to deviation of the thermometer and atmospheric pressure the final flash point of the test item was determined to be 58.5 ± 1.2ºC at 101.3 kPa.

Supporting studies: Flash points of some individual components are available from peer review handbooks:

Terpinolene: According to peer reviewed handbook, the flash point of terpinolene is 37.2ºC.

Camphene: According to peer review handbook, the flash point of camphene is 34 ºC.

Alpha pinene: According with peer review handbook, the flash point of alpha pinene is 32.3 ºC.

Borneol: According to the peer reviewed handbook, the flash point of dl-borneol is 66ºC.