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Physical & Chemical properties

Auto flammability

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Reference
Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study with acceptable restrictions
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: DIN Guide 51794 (2003)
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: International Electrotechnical Commision IEC Standard 79-4
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Specific details on test material used for the study:
- Name of test material (as cited in study report): Carbamic chloride, N-ethyl-N-methyl-
- Physical state: Colourless liquid with precipitation particles.
- Analytical purity: 99.1%
- Purity test date: 19 June 2015.
- Lot/batch No.: M15564C
- Expiration date of the lot/batch: May 2020
- Storage condition of test material: Controlled room temperature (15-25°C, below 70 RH%)
Key result
Auto-ignition temperature:
440 °C
Atm. press.:
> 1 024.8 - < 1 036 hPa

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 < 20ºC. According to the guidelines, no further testing was required.

The lowest temperature at which ignition of the test substance occurred was 443ºC. This temperature was rounded off to the nearest multiple of 5ºC giving an auto-ignition temperature of the test substance of 440ºC.

Table 1. Auto-ignition temperature of the test subtance.

Test

Volume (µL)

Auto-ignition temperature

Igniton delay

Colour of the flame

Minimum auto-ignition temperature (ºC)

1

70

449

6

Orange/blue

445

100

445

4

Orange/blue

150

449

6

Orange/blue

2

30

465

7

Orange/blue

443

55

443

7

Orange/blue

250

453

5

Orange/blue

3

20

468

7

Orange/blue

450

80

450

6

Orange/blue

300

461

5

Orange/blue
Conclusions:
The test subtance is auto-ignitable with an auto-ignition temperature of 440ºC at 1024.8-1036.0 hPa.
Executive summary:

The determination of the auto-ignition temperature of the test item was conducted in accordance to the EU method A.15 under GLP conditions.

The test item is auto-ignitable, with an auto-ignition temperature of 440ºC at 1024.8-1036.0 hPa.

Description of key information

Key study. Test method according to EU Method A.16. GLP study. The test item is not self-ignitable, with an auto-ignition temperature of 440ºC at 1024.8-1036.0 hPa.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
440 °C

Additional information

A study on the self-ignition temperature of the test item was performed in accordance with EU Method A.15 (GLP study). The test item had a self-ignition temperature of 440 ºC, the measured pressure during the study was between 1024.8 and 1036.0 hPa.