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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
Study period:
21 Sept - 02 Nov 2012
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study (EU A.15, DIN 51794, IEC standard 79-4).
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Qualifier:
according to guideline
Guideline:
other: DIN 51794
Qualifier:
according to guideline
Guideline:
other: IEC standard 79-4
GLP compliance:
yes
Auto-ignition temperature:
340 °C
Atm. press.:
>= 993.1 - <= 1 018.1 hPa
Remarks on result:
other:

Preliminary test:

The estimated auto-ignition temperature was 350 °C.

Main study:

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

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. According to the guidelines, no further testing was required.

The lowest temperature at which ignition of the test substance occurred was 344 °C. This temperature was rounded down to the nearest multiple of 5 °C giving an auto-ignition temperature of the test substance of 340 °C.

Main study – auto-ignition temperature of the test substance

Test

Volume
[µl]

Auto-ignition
temperature

[°C]

Ignition delay
[s]

Colour of the
flame

Minimum auto-
ignition
temperature

[°C]

I

50

358

12

orange/blue

344

 

70

344

14

orange/blue

 

 

150

358

11

orange/blue

 

2

60

347

12

orange/blue

344

 

120

344

14

orange/blue

 

 

180

356

13

orange/blue

 

3

40

374

11

orange/blue

350

 

100

350

13

orange/blue

 

 

160

370

10

orange/blue

 

Conclusions:
The test substance has an auto-ignition temperature of 340 °C at 993.1 – 1018.1 hPa.
Executive summary:

The auto-flammability of the test substance was determined with an commercially available auto-ignition temperature apparatus according to the Guidelines EU A.15, DIN 51794 and IEC standard 79-4. The test substance has an auto-ignition temperature of 340 °C at 993.1 – 1018.1 hPa.

Description of key information

The test substance has an auto-ignition temperature of 340 °C at 993.1 – 1018.1 hPa.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
340 °C

Additional information

The auto-flammability of the test substance was determined with an commercially available auto-ignition temperature apparatus according to the Guidelines EU A.15, DIN 51794 and IEC standard 79-4. The test substance has an auto-ignition temperature of 340 °C at 993.1 – 1018.1 hPa.