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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:
03 May - 30 August 2017
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:
Setaflash apparatus
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Appearance/physical state: amber coloured liquid
- Batch No.of test material: AN-0400-113
- Expiration date of the lot/batch: 01 January 2019
- Purity: 100%

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: Approximately -20°C under nitrogen, in the dark
Key result
Flash point:
ca. 166 °C
Atm. press.:
102 kPa
Interpretation of results:
GHS criteria not met
Conclusions:
The flash point of the test substance, Terpenes and Terpenoids, turpentine-oil, limonene fraction, polymers with 1-methyl-4-(1-methylethenyl)cyclohexene and turpentine-oil β-pinene fraction terpenes, was determined to be 166.0 ± 2 °C at an atmospheric pressure of 102.0 pKa.
Executive summary:

The flash point of the test substance, Terpenes and Terpenoids, turpentine-oil, limonene fraction, polymers with 1 -methyl-4 -(1 -methylethenyl)cyclohexene and turpentine-oil β-pinene fraction terpenes, was determined using a Setaflash 30000 -0 closed cup flash point tester in a process compatible with Method A.9 Flash Point of Commission Regulation (EC) No. 440/2008 of 30 May 2008.

A 2ml aliquot for temperatures up to 100°C or a 4ml aliquot for temperatures above 100°C of test substance was transferred to the sample cup of the Setaflash 30000 -0 tester and then heated and allowed to equilibriate at the set temperature. The test flame was introduced into the sample cup for approximately 2.5 seconds by sliding the cup shutter open and then the vapour was then observed for signs of ignition. The temperature was increased and the test flame re-introduced if no ignition occurred. The process was repeated until it was possible to determine the lowest reproducible temperature at which a flash occurred using a fresh sample. The flash point was corrected for atmospheric pressure via the following equation: Corrected flash point = C + 0.23 (101.325 - p) where C = observed flash point (°C) and P = ambient atmospheric pressure (kPa).

The observed flash point of the test substance was 166.0°C, which when corrected gave a value of 165.8°C at an atmospheric pressure of 102.2 pKa.

Description of key information

The flash point of the test substance, Terpenes and Terpenoids, turpentine-oil, limonene fraction, polymers with 1 -methyl-4 -(1 -methylethenyl)cyclohexene and turpentine-oilβ-pinene fraction terpenes, was determined using a Setaflash 30000 -0 closed cup flash point tester in a process compatible with Method A.9 Flash Point of Commission Regulation (EC) No. 440/2008 of 30 May 2008.

A 2ml aliquot for temperatures up to 100°C or a 4ml aliquot for temperatures above 100°C of test substance was transferred to the sample cup of the Setaflash 30000 -0 tester and then heated and allowed to equilibriate at the set temperature. The test flame was introduced into the sample cup for approximately 2.5 seconds by sliding the cup shutter open and then the vapour was then observed for signs of ignition. The temperature was increased and the test flame re-introduced if no ignition occurred. The process was repeated until it was possible to determine the lowest reproducible temperature at which a flash occurred using a fresh sample. The flash point was corrected for atmospheric pressure via the following equation: Corrected flash point = C + 0.23 (101.325 - p) where C = observed flash point (°C) and P = ambient atmospheric pressure (kPa).

The observed flash point of the test substance was 166.0°C, which when corrected gave a value of 165.8°C at an atmospheric pressure of 102.2 pKa.

Key value for chemical safety assessment

Flash point at 101 325 Pa:
166 °C

Additional information