Registration Dossier

Administrative data

Endpoint:
auto-flammability
Type of information:
experimental study
Adequacy of study:
key study
Study period:
November 15, 2010 - December 21, 2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: This study has been performed according to EC, DIN and IEC guidelines and according to GLP principles.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2011
Report date:
2011

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: Deutsches Institut für Normung (DIN), DIN Guide 51794: "Determining the Ignition Temperature of Petroleum Products", May 2003
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: International Electrotechnical Commission (IEC), IEC standard 79-4: "Electrical Apparatus for Explosive Gas Atmospheres, Part 4, Method of Test for Ignition Temperature", 1975
Deviations:
no
GLP compliance:
yes (incl. QA statement)

Test material

Constituent 1
Chemical structure
Reference substance name:
1-(2-ethylbutyl)cyclohexane-1-carboxylic acid
EC Number:
619-508-4
Cas Number:
381209-09-2
Molecular formula:
C13 H24 O2
IUPAC Name:
1-(2-ethylbutyl)cyclohexane-1-carboxylic acid
Details on test material:
- Name of test material (as cited in study report): CAT-Acid
- Stability under test conditions: stable
- Storage condition of test material: at room temperature in the dark

Results and discussion

Auto-ignition temperature (liquids / gases)
Auto-ignition temperature:
375 °C
Atm. press.:
>= 994.4 - <= 1 002.1 hPa
Remarks on result:
other:

Any other information on results incl. tables

Preliminary test

The estimated auto-ignition temperature was 380°C.

Main study

Ignition of the test substance within 5 minutes after introduction was observed with each sample volume and with each test a minimum auto-ignition temperature was obtained. The maximum deviation between the three values was < 20°C (see the table below). According to the guidelines, no further testing was required.

Test

Volume (µL)

Auto-ignition temperature (°C)

Ignition delay (s)

Colour of the flame

Minimum auto-ignition temperature (°C)

Test 1

50

381

6

orange

378

70

378

6

orange

100

383

6

orange

Test 2

125

385

5

orange

378

150

378

7

orange

250

383

9

orange

Test 3

175

378

7

orange

376

185

376

7

orange

200

377

6

orange

The lowest temperature at which ignition of the test substance occurred was 376°C (in Test 3). This temperature was rounded off to the nearest multiple of 5°C giving an auto-ignition temperature of the test substance of 375°C.

Applicant's summary and conclusion

Conclusions:
A commercially available auto-ignition temperature apparatus was used for the determination of the degree of auto-ignitability of the substance. The test substance is auto-ignitable with an auto-ignition temperature of 375°C at 994.4 – 1002.1 hPa.