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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Administrative data

Endpoint:
auto-flammability
Type of information:
experimental study
Adequacy of study:
key study
Study period:
between 5 February 1995 and 8 March 1995
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: 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.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1995
Report date:
1995

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: Anon (1987), Electrical Apparatus for Explosive Gas Atmospheres, Part 4: Method of Test for Ignition Temperature. IEC Publication 79-4, p1-19.
Deviations:
no
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Reference substance name:
A mixture of isomers of branched tetracosane
EC Number:
417-060-2
EC Name:
A mixture of isomers of branched tetracosane
Cas Number:
151006-61-0
Molecular formula:
C24 H50
IUPAC Name:
A mixture of isomers of branched tetracosane

Results and discussion

Auto-ignition temperature (liquids / gases)
Auto-ignition temperature:
228 °C
Atm. press.:
98.29 - 101.77 kPa
Remarks on result:
other:

Any other information on results incl. tables

Results

Test temperature (Deg C) Test volume (microL) Ignition delay (s) Observations
50 70 > 300 No ignition
100 70 > 300 No ignition
150 70 > 300 No ignition
200 70 > 300 No ignition
250 70 > 300 No ignition
300 70 > 300 No ignition
350 (clean flask) 70 4 Yellow/blue flame. Grey vapour was emitted.
330 (clean flask) 70 > 300 No ignition. Grey vapour was emitted
340 70 > 300 No ignition. Grey vapour was emitted
346 70 1 Yellow/blue flame. Grey vapour was emitted.
342 (clean flask) 70 > 300 No ignition. Grey vapour was emitted
344 70 4 Yellow/blue flame. Grey vapour was emitted.
342 (clean flask) 200 1 Yellow/blue flame. Grey vapour was emitted.
338 (clean flask) 200 1 Yellow/blue flame. Grey vapour was emitted.
330 (clean flask) 200 1 Yellow/blue flame. Grey vapour was emitted.
320 (clean flask) 200 > 300 No ignition. Grey vapour was emitted
326 200 > 300 No ignition. Grey vapour was emitted
328 200 > 300 No ignition. Grey vapour was emitted
328 (clean flask) 200 2 Yellow/blue flame. Grey vapour was emitted.
322 (clean flask) 200 1 Yellow/blue flame. Grey vapour was emitted.
320 (clean flask) 400 > 300 No ignition. Grey vapour was emitted
320 (clean flask) 600 1 Yellow/blue flame. Grey vapour was emitted.
316 (clean flask) 600 1 Yellow/blue flame. Grey vapour was emitted.
310 (clean flask) 600 1 Yellow/blue flame. Grey vapour was emitted.
300 (clean flask) 600 1 Yellow/blue flame. Grey vapour was emitted.
280 (clean flask) 600 28 Yellow/blue flame. Grey vapour was emitted.
276 (clean flask) 600 9 Yellow/blue flame. Grey vapour was emitted.
266 (clean flask) 600 63 Yellow/blue flame. Grey vapour was emitted.
260 (clean flask) 600 24 Yellow/blue flame. Grey vapour was emitted.
250 (clean flask) 600 7 Yellow/blue flame. Grey vapour was emitted.
236 (clean flask) 600 > 300 No ignition. Grey vapour was emitted
240 600 > 300 No ignition. Grey vapour was emitted
246 (clean flask) 600 15 Yellow/blue flame. Grey vapour was emitted.
242 (clean flask) 600 91 Yellow/blue flame. Grey vapour was emitted.
240 (clean flask) 600 163 Yellow/blue flame. Grey vapour was emitted.
238 (clean flask) 600 > 300 No ignition. Grey vapour was emitted
238 (clean flask) 800 > 300 No ignition. Grey vapour was emitted
238 (clean flask) 1000 105 Yellow/blue flame. Grey vapour was emitted.
236 (clean flask) 1000 > 300 No ignition. Grey vapour was emitted
236 (clean flask) 1200 100 Yellow/blue flame. Grey vapour was emitted.
234 (clean flask) 1200 > 300 No ignition. Grey vapour was emitted
234 (clean flask) 1400 > 300 No ignition. Grey vapour was emitted
234 (clean flask) 1600 186 Yellow/blue flame. Grey vapour was emitted.
232 (clean flask) 1600 > 300 No ignition. Grey vapour was emitted
232 (clean flask) 1800 > 300 No ignition. Grey vapour was emitted
232 (clean flask) 2000 181 Yellow/blue flame. Grey vapour was emitted.
230 (clean flask) 2000 > 300 No ignition. Grey vapour was emitted
230 (clean flask) 2000 284 Yellow/blue flame. Grey vapour was emitted.
228 (clean flask) 2200 255 Yellow/blue flame. Grey vapour was emitted.
226 (clean flask) 2200 > 300 No ignition. Grey vapour was emitted
226 (clean flask) 2400 > 300 No ignition. Grey vapour was emitted
226 (clean flask) 2000 > 300 No ignition. Grey vapour was emitted
226 (clean flask) 1800 > 300 No ignition. Grey vapour was emitted
226 (clean flask) 1600 > 300 No ignition. Grey vapour was emitted

Applicant's summary and conclusion

Conclusions:
ALKANE 2 has been determined to have an auto-ignition temperature of 228 +/- 5 deg C.
Executive summary:

The experimental procedure used complied with that specified in Method A15 of Commission Directive 92/69/EEC (which constitutes Annex V of Council Directive 67/548/EEC).

ALKANE 2 has been determined to have an auto-ignition temperature of 228 +/- 5 deg C.