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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:
2017-05-24 to 2017-06-13
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 13736 (Petroleum products and other liquids - Determination of flash point - Abel closed cup method)
Version / remarks:
2013
Deviations:
no
Qualifier:
according to
Guideline:
other: Recommendations on the TRANSPORT OF DANGEROUS GOODS: Manual of Tests and Criteria, 6th edition, New York and Geneva, 2015: Class 3, Flammable Liquids
Version / remarks:
2015
Deviations:
no
Qualifier:
according to
Guideline:
EPA OPPTS 830.6315 (Flammability)
Version / remarks:
1996
Deviations:
not specified
Qualifier:
according to
Guideline:
other: CIPAC MT 12 (2009) Flash Point
Version / remarks:
2009
Deviations:
not specified
GLP compliance:
yes (incl. certificate)
Type of method:
closed cup
Flash point apparatus:
Abel apparatus
Specific details on test material used for the study:
Name: Vinylcyclohexane
CAS No.: 695-12-5
Batch No.: VCH/7/17K1
Purity: 99.8 % (GC)
Description: Clear colourless liquid
Key result
Flash point:
10.5 °C
Atm. press.:
1 atm
Remarks on result:
other: Average corrected flash point rounded down to the nearest multiple of 0.5 °C

Results

Preliminary Test

The test result of the preliminary test with the search program is presented in the following table. An ignition is indicated by + and no ignition by -.

Amount of test item / g

Temperature / °C

Ignition / (+/-)

Air pressure / hPa

59.59

10.0

+

1003.1

Main Test

The test results of the main test are presented in the following table. An ignition is indicated by + and no ignition by -.

Amount of test item / g

Temperature / °C

Ignition / (+/-)

Air pressure / hPa

Corrected flash point / °C

59.53

11.5

+

1007.0

11.65

59.51

10.0

+

1006.7

10.16

In the main test the lowest temperature where an ignition was observed was 10.0 °C. The mean measured flash point is corrected to the ambient pressure to be 10.9 °C.

The resulting average corrected flash point rounded down to the nearest multiple of 0.5 °C is 10.5 °C

Interpretation of results:
Category 2 (highly flammable liquids) based on GHS criteria
Conclusions:
The test item Vinylcyclohexane has a flash point of 10.5 °C (average corrected and rounded down to the nearest multiple of 0.5 °C), according to Regulation EC No. 440/2008 Method A.9. Flash Point and DIN EN ISO 13736 (2013).
Executive summary:

The test item Vinylcyclohexane has a flash point of 10.5 °C (average corrected and rounded down to the nearest multiple of 0.5 °C), according to Regulation EC No. 440/2008 Method A.9. Flash Point and DIN EN ISO 13736 (2013). Therefore, Vinylcyclohexane is classified as follows:

UN Transport Regulation: As the test item has a boiling point of 128 °C (SDS) (> 35 °C) and a measured flash point of 10.5 °C (< 23 °C), it has to be classified in class 3 as flammable liquid of Packaging Group II.

GHS (CLP Regulation EC 1272/2008 Annex 1: 2.6): As the test item has a boiling point of 128 °C (SDS) (> 35 °C) and a measured flash point of 10.5 °C (< 23 °C), it has to be classified as highly flammable liquid of category 2 and has to be marked with the warning “H225: highly flammable liquid and vapour”.

Description of key information

The test item Vinylcyclohexane has a flash point of 10.5 °C (average corrected and rounded down to the nearest multiple of 0.5 °C), according to Regulation EC No. 440/2008 Method A.9. Flash Point and DIN EN ISO 13736 (2013). Therefore, Vinylcyclohexane is classified as follows:

UN Transport Regulation: As the test item has a boiling point of 127 °C (CRC Handbook) (> 35 °C) and a measured flash point of 10.5 °C (< 23 °C), it has to be classified in class 3 as flammable liquid of Packaging Group II.

GHS (CLP Regulation EC 1272/2008 Annex 1: 2.6): As the test item has a boiling point of 127 °C (CRC Handbook) (> 35 °C) and a measured flash point of 10.5 °C (< 23 °C), it has to be classified as highly flammable liquid of category 2 and has to be marked with the warning “H225: highly flammable liquid and vapour”.

Key value for chemical safety assessment

Flash point at 101 325 Pa:
10.5 °C

Additional information