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Physical & Chemical properties

Auto flammability

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Endpoint:
auto-ignition temperature (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.15 (Auto-Ignition Temperature (Liquids and Gases))
Deviations:
no
GLP compliance:
yes
Auto-ignition temperature:
216 °C
Atm. press.:
102.2 - 102.5 kPa

Results

Results of the auto-ignition temperature determination are shown in the following table.

 

Table 1: Auto-ignition results

 

Test Temperature (ºC)

Test Volume (µL)

Ignition Delay (s)

Observations

200 (clean flask)

70

> 300

No ignition.

250 (clean flask)

70

15

Yellow flame, grey fumes emitted.

230

70

> 300

No ignition, grey fumes emitted.

240 (clean flask)

70

> 300

No ignition, grey fumes emitted.

246

70

> 300

No ignition, grey fumes emitted.

248 (clean flask)

70

> 300

No ignition, grey fumes emitted.

248 (clean flask)

200

13

Yellow flame, grey fumes emitted.

246 (clean flask)

200

13

Yellow flame, grey fumes emitted.

242

200

19

Yellow flame, grey fumes emitted.

238

200

22

Yellow flame, grey fumes emitted.

234

200

32

Yellow flame, grey fumes emitted.

230

200

37

Pale blue/yellow flame, grey fumes emitted.

226

200

> 300

No ignition, grey fumes emitted.

228 (clean flask)

200

46

Pale blue/yellow flame, grey fumes emitted.

226 (clean flask)

200

59

Yellow flame, grey fumes emitted.

224 (clean flask)

200

48

Yellow flame, grey fumes emitted.

220 (clean flask)

200

> 300

No ignition, grey fumes emitted.

222 (clean flask)

200

> 300

No ignition, grey fumes emitted.

222 (clean flask)

400

> 300

No ignition, grey fumes emitted.

222 (clean flask)

600

69

Pale blue flame, grey fumes emitted.

220 (clean flask)

600

154

Pale blue flame, grey fumes emitted.

218 (clean flask)

600

> 300

No ignition, grey fumes emitted.

218 (clean flask)

800

162

Pale blue flame, grey fumes emitted.

216 (clean flask)

800

165

Pale blue flame, grey fumes emitted.

214 (clean flask)

800

> 300

No ignition, grey fumes emitted.

214 (clean flask)

1000

> 300

No ignition, grey fumes emitted.

214 (clean flask)

1200

> 300

No ignition, grey fumes emitted.

214 (clean flask)

1400

> 300

No ignition, grey fumes emitted.

214 (clean flask)

1600

> 300

No ignition, grey fumes emitted.

 

 

Room temperature: 20 to 21 °C

Atmospheric pressure:102.2 to 102.5 kPa

Conclusions:
An auto-ignition temperature value of 216 ± 5 °C at 102.2 - 102.5 kPa was determined for the substance using a relevant test method. The result is considered reliable.

Executive summary:

The determination was carried out using a procedure[1]designed to be compatible with Method A15 Auto-Ignition Temperature (Liquids and Gases) of Commission Regulation (EC) No 440/2008 of 30 May 2008.

[1] Based on, Anon (1987), Electrical Apparatus for Explosive Gas Atmospheres. Part 4: Method of Test for Ignition Temperature. IEC Publications79-4, P1-19.

Conclusion The test item has been determined to have an auto-ignition temperature of 216 ± 5 °C.

 

Endpoint:
auto-ignition temperature (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.15 (Auto-Ignition Temperature (Liquids and Gases))
Deviations:
no
GLP compliance:
yes
Auto-ignition temperature:
212 °C
Atm. press.:
100.8 - 102.6 kPa
Remarks on result:
other: The test item has been determined to have an auto-ignition temperature of 212 ± 5 °C.

Results

Results of the auto-ignition temperature determination are shown in the following table.

Table 1: Auto-ignition temperature results

 

Test Temperature (ºC)

Test Volume (µL)

Ignition Delay (s)

Observations

200 (clean flask)

70

> 300

No ignition.

250 (clean flask)

70

10

Yellow flame, grey fumes emitted.

240

70

> 300

No ignition, grey fumes emitted.

246

70

13

Yellow flame, grey fumes emitted.

242

70

> 300

No ignition, grey fumes emitted.

244 (clean flask)

70

14

Yellow flame, grey fumes emitted.

242 (clean flask)

70

> 300

No ignition, grey fumes emitted.

242 (clean flask)

200

16

Yellow flame, grey fumes emitted.

240 (clean flask)

200

19

Yellow flame, grey fumes emitted.

238 (clean flask)

200

24

Yellow flame, grey fumes emitted.

236 (clean flask)

200

24

Yellow flame, grey fumes emitted.

234 (clean flask)

200

27

Yellow flame, grey fumes emitted.

232 (clean flask)

200

26

Yellow flame, grey fumes emitted.

230 (clean flask)

200

33

Yellow flame, grey fumes emitted.

228 (clean flask)

200

36

Yellow flame, grey fumes emitted.

224

200

54

Yellow flame, grey fumes emitted.

220

200

> 300

No ignition, grey fumes emitted.

222 (clean flask)

200

69

Yellow flame, grey fumes emitted.

220 (clean flask)

200

62

Yellow flame, grey fumes emitted.

218 (clean flask)

200

144

Yellow flame, grey fumes emitted.

216 (clean flask)

200

> 300

No ignition, grey fumes emitted.

216 (clean flask)

400

83

Yellow/blue flame, grey fumes emitted.

214 (clean flask)

400

> 300

No ignition, grey fumes emitted.

214 (clean flask)

600

203

Pale blue flame, grey fumes emitted.

212 (clean flask)

600

79

Pale blue flame, grey fumes emitted.

210 (clean flask)

600

> 300

No ignition, grey fumes emitted.

210 (clean flask)

800

> 300

No ignition, grey fumes emitted.

Table 2 (continued)

 

Test Temperature (ºC)

Test Volume (µL)

Ignition Delay (s)

Observations

210 (clean flask)

1000

> 300

No ignition, grey fumes emitted.

210 (clean flask)

1200

> 300

No ignition, grey fumes emitted.

210 (clean flask)

1400

> 300

No ignition, grey fumes emitted.

 

 

Room temperature: 20°C

Atmospheric pressure: 100.8 to 102.6 kPa

 

Conclusions:
An auto-ignition temperature of 212 ± 5°C at 100.8 - 102.6 kPa was determined for the substance using a relevant test method. The result is considered reliable.
Executive summary:

The determination was carried out using a procedure* designed to be compatible with Method A15 Auto-Ignition Temperature (Liquids and Gases) of Commission Regulation (EC) No 440/2008 of 30 May 2008.


*

Based on, Anon (1987), Electrical Apparatus for Explosive Gas Atmospheres. Part 4: Method of Test for Ignition Temperature. IEC Publications79-4, P1-19.

Conclusion

The test item has been determined to have an auto-ignition temperature of 212 ± 5 °C.

Endpoint:
auto-ignition temperature (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 substances are members of the C9-C14 Aliphatics [≤2% Aromatics] Hydrocarbon Solvents Category.
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 is composed of linear, branched and cyclic hydrocarbons of chain length C8-C11
The source substance Hydrocarbons, C9-C12, n-alkanes, isoalkanes, <2% aromatics, is composed of linear, branched and cyclic hydrocarbons of chain length C9-C12
The target substance, Hydrocarbons, C9-C11, n-alkanes, isoalkanes, <2% aromatics, 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
Auto-ignition temperature:
216 °C
Atm. press.:
102.2 - 102.5 kPa
Auto-ignition temperature:
212 °C
Atm. press.:
100.8 - 102.6 kPa
Remarks on result:
other: The test item has been determined to have an auto-ignition temperature of 212 ± 5 °C.
Auto-ignition temperature:
270 °C
Atm. press.:
1 atm
Auto-ignition temperature:
> 200 °C
Atm. press.:
1 atm

Description of key information

Auto-flammability: 212-216°C (measured)

Key value for chemical safety assessment

Additional information

There are no reliable measured auto-ignition 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 EU Method A.15 studies, 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 auto-ignition temperature values of 216 ± 5°C at 102.2 -102.5 kPa and 212 ± 5°C at 100.8 - 102.6 kPa 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 an auto-ignition temperature of >200°C at 1013 hPa using relevant test method.