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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:
Experimental Starting Date: 03 December 2013 Experimental Completion Date: 10 March 2014
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
Study conducted in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of the relevant results. The study report was conclusive, done to a valid guideline and the study was conducted under GLP conditions.
Qualifier:
according to guideline
Guideline:
EU Method A.9 (Flash-Point)
Deviations:
no
GLP compliance:
yes
Type of method:
equilibrium method closed cup
Flash point:
25 °C
Atm. press.:
102.5 kPa
Remarks on result:
other: Other
Remarks:
The test item has been determined to have a flash point of 25 ± 2 °C.

Results

Preliminary Test

The test item ignited into an orange/blue flame then boiled off.

 

Definitive Test

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

Table 1: Flash point results

 

Temperature (ºC)

Observations

21.0

No flash.

26.0

Blue flame spread across the sample cup.

21.0 (fresh sample)

No flash.

22.0

No flash.

23.0

No flash.

24.0

No flash.

25.0

Blue flame spread across the sample cup.

23.0 (fresh sample)

No flash.

23.0 (fresh sample)

No flash.

25.0 (fresh sample)

Blue flame spread across the sample cup.

25.0 (fresh sample)

Blue flame spread across the sample cup.

 

 

Conclusions:
A measured flash point value of 25 ± 2 °C at 1013 hPa was determined for the substance using a relevant test method. The result is considered reliable.
Executive summary:

The determination was carried out using a closed cup flash point tester[1], using a procedure designed to be compatible with Method A9 Flash Point of Commission Regulation (EC) No 440/2008 of 30 May 2008.

 

[1]Based on, Anon (1983) Paints, Varnishes, Petroleum and Related Products - Determination of Flash Point - Rapid Equilibrium Method,International Standard ISO 3679-2004 (E), Second Edition –2004-04-01, P1-18 and Anon (1989) Flash Point of Liquids by Setaflash Closed-Cup Apparatus,ASTM D-3278-89, P1-7.

Conclusion

The test item has been determined to have a flash point of 25 ± 2 °C.

 

Endpoint:
flash point of flammable liquids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Experimental Starting Date: 03 December 2013 Experimental Completion Date: 10 March 2014
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
Study conducted in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of the relevant results. The study report was conclusive, done to a valid guideline and the study was conducted under GLP conditions.
Qualifier:
according to guideline
Guideline:
EU Method A.9 (Flash-Point)
Deviations:
no
GLP compliance:
yes
Type of method:
equilibrium method closed cup
Flash point:
47 °C
Atm. press.:
1 013 hPa
Remarks on result:
other: The test item has been determined to have a flash point of 47 ± 2 °C.

Results

Preliminary Test

The test item ignited and burned with a yellow flame, emitting black smoke.

 

Definitive Test

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

Table 1: Flash point results

 

Temperature (ºC)

Observations

19.0

No flash.

24.0

No flash.

29.0

No flash.

34.0

No flash.

39.0

No flash.

44.0

No flash.

49.0

Blue flame spread across the sample cup.

44.0 (fresh sample)

No flash.

45.0

No flash.

46.0

No flash.

47.0

Blue flame spread across the sample cup.

47.0 (fresh sample)

Blue flame spread across the sample cup.

47.0 (fresh sample)

Blue flame spread across the sample cup.

45.0 (fresh sample)

No flash.

45.0 (fresh sample)

No flash.

 

 

Conclusions:
A flash point value of 47 ± 2 °C was determined for the substance using a relevant test method. The result is considered reliable.
Executive summary:

The determination was carried out using a closed cup flash point tester, using a procedure designed to be compatible with Method A9 Flash Point of Commission Regulation (EC) No 440/2008 of 30 May 2008.

 

Conclusion

The test item has been determined to have a flash point of 47±2 °C.

Endpoint:
flash point of flammable liquids
Type of information:
read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
weight of evidence
Justification for type of information:
1. Hypothesis for the analogue approach:
The hypothesis for the analogue approach is that both the registration substance, Hydrocarbons, C9-C11, n-alkanes, isoalkanes, <2% aromatics (target substance), and the test substances, Hydrocarbons, C8-C11, n-alkanes, isoalkanes, <2% aromatics (source substance) and Hydrocarbons, C9-C12, n-alkanes, isoalkanes, <2% aromatics (source substance), are produced from the same Fischer-Tropsch substance, GTL Gasoil, by fractional distillation.

The source substances contain the all of the constituents of the target substance. The substances have constituents that are part of the same homologous series and have many constituents in common. The substances therefore have qualitatively similar properties (RAAF Scenario 2 applies).
2. Source and target chemical(s)
The source substance Hydrocarbons, C8-C11, n-alkanes, isoalkanes, <2% aromatics (GS 160) is composed of linear, branched and cyclic hydrocarbons of chain length C8-C11
The source substance Hydrocarbons, C9-C12, n-alkanes, isoalkanes, <2% aromatics, (GS 170) is composed of linear, branched and cyclic hydrocarbons of chain length C9-C12
The target substance, Hydrocarbons, C9-C11, n-alkanes, isoalkanes, <2% aromatics,(GS 180) is composed of linear, branched and cyclic hydrocarbons of chain length C9-C11.
3. Analogue approach justification
The constituents of the source and target substances are all hydrocarbons. Identical constituents have identical physicochemical profiles. The source substances cover the full carbon chain length of the target substance.
Reason / purpose for cross-reference:
read-across source
Reason / purpose for cross-reference:
read-across source
Flash point:
25 °C
Atm. press.:
1 013 hPa
Flash point:
47 °C
Atm. press.:
1 013 hPa
Remarks on result:
other: The test item has been determined to have a flash point of 47 ± 2 °C.
Flash point:
40 °C
Atm. press.:
1 atm
Flash point:
39 °C
Atm. press.:
1 atm

Description of key information

Flash point: 25 -47°C at 1013 hPa 

Key value for chemical safety assessment

Additional information

There are no reliable measured flash point data for the submission substance. However, reliable data are available for related substances in the relevant carbon number range, including other Fischer-Tropsch process-derived substances.

In ISO 3679 studies using the rapid equilibrium method, which were conducted in compliance with GLP, Hydrocarbons, C8-C11, n-alkanes, isoalkanes, <2% aromatics (GTL Solvent GS160) and Hydrocarbons, C9-C12, n-alkanes, isoalkanes, <2% aromatics (GS170) had measured flash point values of 25 ± 2°C and 47 ± 2°C at 1013 hPa respectively. The results are considered to be reliable and are used as weight of evidence.

Hydrocarbons, C9-C11, n-alkanes, isoalkanes, cyclics, <2% aromatics has a measured flash point of 39-40°C at 1013 hPa using a closed cup method.