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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:
04 June 2018 - 08 June 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
GLP compliance:
yes (incl. certificate)
Type of method:
closed cup
Flash point apparatus:
Abel apparatus
Key result
Flash point:
45 °C
Atm. press.:
101.3 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

15

-

39.0

-

39.0

-

18

-

39.5

-

39.5

-

21

-

40.0

-

40.0

-

24

-

40.5

-

40.5

-

27

-

41.0

-

41.0

-

30

-

41.5

-

41.5

-

33

-

42.0

-

42.0

-

36

-

42.5

-

42.5

-

39

-

43.0

-

43.0

-

42

-

43.5

-

43.5

-

45

+

44.0

-

44.0

-

 

 

44.5

+

44.5

-

 

 

 

 

45.0

+

(+) – yes, (-) – no

Temperature is corrected to standard atmospheric pressure and temperature deviation by special equation:

T = C + 0.25 (101.3 – p),

C – the ignition temperature, taking into account the deviation = 45.0ºC;

p – ambient barometric pressure = 101.1 kPa.

Measurement uncertainty: 1.0ºC.

T = C + 0.25 (101.3 – p) = 45.0ºC + 0.25(101.3 kPa – 101.1 kPa) = 45.0ºC

The result is rounded to 0.5ºC.

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 45.0ºC.
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 Abel closed-cup Method. A preliminary test was performed applying the ignition source at 3 °C temperature intervals. The next tests (two main tests) were performed applying the ignition source at 0.5 °C intervals beginning from the temperature lower about 9 °C than the flash point obtained in the preliminary test. The flash point values obtained were 44.5ºC and 45.0ºC in the test 1 and test 2, respectively. After correction due to deviation of the thermometer and atmospheric pressure the final flash point of the test item was determined to be 45.0 ± 1.0ºC 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.
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:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment
Principles of method if other than guideline:
- Principle of test: closed cup
GLP compliance:
not specified
Type of method:
closed cup
Flash point:
37.2 °C
Interpretation of results:
study cannot be used for classification
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.

Description of key information

Key study: Test method EU A.9. GLP study. The flash point of the test item was determined to be 45.0ºC at 101.3 kPa.

Key value for chemical safety assessment

Flash point at 101 325 Pa:
45 °C

Additional information

Key study: In accordance with GLP study and EU A.9 method, the flash point of the test item was determined by Abel closed-cup Method. In the main tests, the flash point values obtained were 44.5ºC and 45.0ºC in the test 1 and test 2, respectively. After correction due to deviation of the thermometer and atmospheric pressure the final flash point of the test item was determined to be 45.0 ± 1.0ºC at 101.3 kPa.

Supporting studies: Individual flash points of some main components of the test substance are available from peer review handbooks. The flash point of terpinolene is 37.2ºC, the flash point of camphene is 34 ºC and flash point of alpha pinene is 32.3ºC.