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Diss Factsheets

Administrative data

Endpoint:
auto-flammability
Type of information:
experimental study
Adequacy of study:
key study
Study period:
July 2005
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study conducted to GLP and in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not effect the quality of the relevant results.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2006
Report date:
2006

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Deviations:
no
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
-
EC Number:
481-740-5
EC Name:
-
Cas Number:
848301-67-7
Molecular formula:
main general molecular formula: CnH(2n+2)
IUPAC Name:
2,2,3,4,4,5,6-heptamethylheptane; 2,2,8-trimethyltetradecane; 2,2-dimethyldodecane; 2,2-dimethyltetradecane; 2-methyltetradecane; 3,5,7-triethyldecane; 4-ethyldodecane; 4-propyldodecane; 5,5-dipropylnonane; 5,7-dimethyl-4-propylundecane; 5-butyl-5-propyldecane; 5-butyl-5-propylnonane; 5-ethyl-5-propylnonane; 5-ethyl-7-methyl-4-propylundecane; 5-propyltridecane; 6-butyl-6-methyldodecane; 6-butyldodecane; 6-butylundecane; 7-methyl-4-propylundecane; 8-methyl-5-propyltridecane; 9-butyl-6-propylhexadecane; heptadecane; hexacosane; hexadecane; octane; pentadecane; tetradecane
Details on test material:
- Name of test material (as cited in study report): Distillates (Fischer-Tropsch), C8-26 branched and linear
- Substance type: Organic
- Physical state: Clear colorless liquid
- Analytical purity: 100%
- Impurities (identity and concentrations): Information not available
- Composition of test material, percentage of components: Information not available
- Isomers composition: Information not available
- Purity test date: Information not available
- Lot/batch No.: Information not available
- Expiration date of the lot/batch: Information not available
- Stability under test conditions: Stable under normal temperature and pressure
- Storage condition of test material: Room temperature, in the dark

Results and discussion

Auto-ignition temperature (liquids / gases)
Auto-ignition temperature:
>= 208 - <= 213 °C
Atm. press.:
>= 100.65 - <= 102.35 kPa
Remarks on result:
other:

Any other information on results incl. tables

Results

Test Temperature (°C) Test Volume (µL) Ignition Delay (s) Observations
50 (clean flask) 70 >300 No ignition
100 70 >300 No ignition
150 70 >300 No ignition, grey fumes were emitted
200 70 >300 No ignition, grey fumes were emitted
250 (clean flask) 70 >300 No ignition, grey fumes were emitted
300 70 >300 No ignition, grey fumes were emitted
350 70 2 Orange flame, grey fumes were emitted
342 70 4 Orange flame, grey fumes were emitted
334 70 5 Orange flame, grey fumes were emitted
326 70 >300 No ignition, grey fumes were emitted
330 (clean flask) 70 3 Orange flame, grey fumes were emitted
328 (clean flask) 70 6 Orange flame, grey fumes were emitted
326 (clean flask) 70 5 Orange flame, grey fumes were emitted
324 (clean flask) 70 6 Orange flame, grey fumes were emitted
320 (clean flask) 70 5 Orange flame, grey fumes were emitted
316 (clean flask) 70 >300 No ignition, grey fumes were emitted
318 (clean flask) 70 >300 No ignition, grey fumes were emitted
318 (clean flask) 200 >300 No ignition, grey fumes were emitted
318 (clean flask) 400 4 Blue/orange flame, grey fumes were emitted
316 (clean flask) 400 7 Blue/orange flame, grey fumes were emitted
314 (clean flask) 400 6 Blue/orange flame, grey fumes were emitted
312 (clean flask) 400 >300 No ignition, grey fumes were emitted
312 (clean flask) 600 3 Blue/orange flame, grey fumes were emitted
310 (clean flask) 600 >300 No ignition, grey fumes were emitted
310 (clean flask) 800 3 Blue/orange flame, grey fumes were emitted
308 (clean flask) 800 5 Blue/orange flame, grey fumes were emitted
306 (clean flask) 800 6 Blue/orange flame, grey fumes were emitted
304 (clean flask) 800 >300 No ignition, grey fumes were emitted
304 (clean flask) 1000 2 Blue/orange flame, grey fumes were emitted
302 (clean flask) 1000 5 Blue/orange flame, grey fumes were emitted
300 (clean flask) 1000 >300 No ignition, grey fumes were emitted
300 (clean flask) 1200 5 Blue/orange flame, grey fumes were emitted
298 (clean flask) 1200 >300 No ignition, grey fumes were emitted
298 (clean flask) 1400 5 Blue/orange flame, grey fumes were emitted
296 (clean flask) 1400 5 Blue/orange flame, grey fumes were emitted
294 (clean flask) 1400 3 Blue/orange flame, grey fumes were emitted
292 (clean flask) 1400 2 Blue/orange flame, grey fumes were emitted
290 (clean flask) 1400 2 Blue/orange flame, grey fumes were emitted
286 (clean flask) 1400 3 Blue/orange flame, grey fumes were emitted
282 (clean flask) 1400 2 Blue/orange flame, grey fumes were emitted
278 (clean flask) 1400 2 Blue/orange flame, grey fumes were emitted
274 (clean flask) 1400 3 Blue/orange flame, grey fumes were emitted
270 (clean flask) 1400 3 Blue/orange flame, grey fumes were emitted
260 (clean flask) 1400 4 Blue/orange flame, grey fumes were emitted
250 (clean flask) 1400 8 Blue/orange flame, grey fumes were emitted
240 (clean flask) 1400 20 Blue/orange flame, grey fumes were emitted
230 (clean flask) 1400 42 Blue/orange flame, grey fumes were emitted
220 (clean flask) 1400 81 Blue/orange flame, grey fumes were emitted
210 (clean flask) 1400 200 Blue/orange flame, grey fumes were emitted
200 (clean flask) 1400 >300 No ignition, grey fumes were emitted
204 (clean flask) 1400 >300 No ignition, grey fumes were emitted
206 (clean flask) 1400 >300 No ignition, grey fumes were emitted
208 (clean flask) 1400 >300 No ignition, grey fumes were emitted
208 (clean flask) 1600 >300 No ignition, grey fumes were emitted
208 (clean flask) 1800 214 Blue/orange flame, grey fumes were emitted
206 (clean flask) 1800 >300 Blue/orange flame, grey fumes were emitted
206 (clean flask) 2000 >300 Blue/orange flame, grey fumes were emitted
206 (clean flask) 2200 >300 Blue/orange flame, grey fumes were emitted
206 (clean flask) 2400 >300 Blue/orange flame, grey fumes were emitted
206 (clean flask) 2600 >300 Blue/orange flame, grey fumes were emitted

Room temperature: 19 to 23°C

Atmospheric pressure: 100.65 to 102.35 kPa

Applicant's summary and conclusion

Conclusions:
auto-ignition temperature = 208 ± 5°C (at 100.65 to 102.35 kPa)
Executive summary:
The auto-ignition temperature was conducted using EU Method A.15. Aliquots of test material were injected into the flask (heated in a flask heater) using a syringe and the flaks observed for signs of ignition over a 300 second period. The procedure was repeated, varying the sample size, as necessary, until the lowest temperature at which the ignition, if any occurred within 300 seconds of insertion, was determined. The test material has been determined to have an auto-ignition temperature of 208 ± 5°C (at 100.65 to 102.35 kPa).