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Diss Factsheets

Physical & Chemical properties

Flash point

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
flash point of flammable liquids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From 17 June to 11 November 2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
The study was conducted according to an internationally recognized method, and under GLP. No deviation was reported. Test substance is adequately specified. Therefore full validation applies.
Qualifier:
according to guideline
Guideline:
EU Method A.9 (Flash-Point)
Version / remarks:
2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
ISO 3679 (Determination of flash point - Rapid equilibrium closed cup method)
Version / remarks:
2004 (E)
Deviations:
no
Qualifier:
according to guideline
Guideline:
ASTM D3278 (Standard test methods for flash point of liquids by small scale closed-cup apparatus)
Version / remarks:
1989
Deviations:
no
Principles of method if other than guideline:
Not applicable
GLP compliance:
yes (incl. QA statement)
Remarks:
UK GLP compliance programme (inspected on 05 July 2016 / signed on 28 October 2016)
Type of method:
equilibrium method closed cup
Flash point apparatus:
Setaflash apparatus
Key result
Flash point:
93 °C
Atm. press.:
101 325 Pa

Results

Results of the flash point determination are shown in the following table:

Table 4.11/1.-Results

Test Temperature (ºC)

Observations

21.0

No flash.

26.0

No flash.

31.0

No flash.

36.0

No flash.

41.0

No flash.

46.0

No flash.

51.0

No flash.

56.0

No flash.

61.0

No flash.

66.0

No flash.

71.0

No flash.

71.0 (fresh sample)

No flash.

76.0

No flash.

81.0

No flash.

86.0

No flash.

91.0

No flash.

96.0

A blue flash spread across the sample cup.

96.0 (fresh sample)

A blue flash spread across the sample cup.

91.0 (fresh sample)

No flash.

92.0 (fresh sample)

No flash.

93.0 (fresh sample)

A blue flash spread across the sample cup.

93.0 (fresh sample)

A blue flash spread across the sample cup.

91.0 (fresh sample)

No flash.

Observed flash point : 93°C

Atmospheric pressure: 100.9 kPa

Corrected flash point: 93.1 ºC

Conclusion

The flash point of the test item has been determined to be 93 ± 2 °C.

Interpretation of results:
Category 4 (combustible liquids) based on GHS criteria
Remarks:
NOT classified based on CLP criteria and Classified as COMBUSTIBLE LIQUID Cat. 4 based on GHS criteria
Conclusions:
The flash point of the test item has been determined to be 93°C.
The flash point of test substance is above the classification thresholds of 60°C of Regulation (EC) No. 1272/2008 (CLP criteria). Therefore the test substance is NOT classified as a flammable liquid based on the CLP criteria.
However, the flash point of test substance is at the classification threshold of 93°C (GHS criteria). Therefore the test substance is Classified as COMBUSTIBLE LIQUID Cat. 4 based on the GHS criteria.
Executive summary:

The flash point of the test item was determined under GLP according to EU Method A.9 (Flash Point), using a closed cup equilibrium method (ISO 3679 and ASTM D 3278).

The main test was performed in duplicate, and the mean result was retained, and corrected to normal atmospheric pressure:

Observed flash point: 93°C

Atmospheric pressure: 100.9 kPa

Corrected flash point: 93.1 °C

The flash point of the test item has been determined to be 93 ± 2 °C.

Description of key information

The substance is NOT classified as flammable liquid according to CLP criteria and is classified as COMBUSTIBLE LIQUID Cat. 4 according to UN GHS criteria.

 

Note that the result obtained on this kind of substance should be largely influence by small amounts of volatile constituents and the result doesn't represent the major part of the substance.

Key value for chemical safety assessment

Flash point at 101 325 Pa:
93 °C

Additional information

A GLP fully reliable experimental study, conducted according to recognised ISO/ASTM/EC method (closed cup equilibrium method) is available. It is considered as a key study. The result is retained as key data.

This study is relevant for the classification regarding flammable properties.