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Diss Factsheets

Administrative data

Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
15 Jan 2018 - 25 March 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018

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:
2,2,2-trifluoro-1-(trifluoromethyl)ethyl methacrylate
EC Number:
221-309-9
EC Name:
2,2,2-trifluoro-1-(trifluoromethyl)ethyl methacrylate
Cas Number:
3063-94-3
Molecular formula:
C7H6F6O2
IUPAC Name:
2,2,2-trifluoro-1-(trifluoromethyl)ethyl methacrylate
Test material form:
liquid
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: 449935-248
- Expiration date of the lot/batch: 30 March 2018
- Purity test date: Not specified


STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: In refrigerator (2-8°C)
- Stability under test conditions: Stable

Results and discussion

Auto-ignition temperature (liquids / gases)open allclose all
Auto-ignition temperature:
440 °C
Atm. press.:
1 012 hPa
Remarks on result:
preliminary test
Key result
Auto-ignition temperature:
425 °C
Atm. press.:
1 012 hPa

Any other information on results incl. tables

The results of the main study on the determination of the auto-ignition temperature of the test item are given in.

Ignition of the test item 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 < 10°C. According to the guidelines, no further testing was required.

The lowest temperature at which ignition of the test item occurred was 426°C. This temperature was rounded down to the nearest multiple of 5°C giving an auto-ignition temperature of the test item of 425°C.

           
Auto-ignition Temperature of the Test Item

Test

Volume


[μL]

Auto-ignition
temperature

[°C]

Ignition delay



[s]

Colour of the flame

Minimum auto-ignition
temperature
[°C]

1

70

438

25

orange

431

 

150

431

17

orange/blue

 

 

250

441

13

orange/blue

 

2

60

442

26

orange/blue

427

 

100

427

32

orange/blue

 

 

170

432

16

orange/blue

 

3

80

435

27

orange/blue

426

 

120

426

26

orange/blue

 

 

200

431

16

orange/blue

 

 

Applicant's summary and conclusion

Conclusions:
Commercially available auto-ignition temperature apparatus was used for the determination of the degree of auto-ignitability of 2,2-trifluoro-1-(trifluoromethyl)ethyl methacrylate.
The test item is auto-ignitable with an auto-ignition temperature of 425°C.
The atmospheric pressure was 1012 hPa.