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Physical & Chemical properties

Auto flammability

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Link to relevant study record(s)

Reference
Endpoint:
auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From September 14, 2017 to February 14, 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Deviations:
not specified
GLP compliance:
yes
Key result
Auto-ignition temperature:
ca. 386 °C
Atm. press.:
ca. 102.3 kPa

Results

The autoignition temperature of test substance has been determined to be 386°C.

 

Hot flame autoignition temperature (AIT,°C)

386

Volume Injected (g)

0.10

Ignition delay time (s)

33.0

Observed exotherms

18 K at 384 °C with injected quantity 0.30 cm3

Barometric Pressure (kPa)

102.3

 

Full test results

Volume Injected (cm3)

Inner Flask Temp (°C)

Ignition?

yes (y) / no (n)

DelayTime (s)

Exotherm(°C)

Clean Vessel

0.10

360

N

-

17

0.10

370

N

-

22

0.10

380

N

-

14

0.10

390

Y

31.3

-

0.10

388

Y

32.0

-

0.10

386

Y

33.0

-

0.10

384

N

-

18

Clean Vessel

0.07

384

N

-

6

0.05

384

N

-

2

0.20

384

N

-

7

0.30

384

N

-

18

0.40

384

N

-

16

0.50

384

N

-

14

 

Comments

No cool flames were observed.

Conclusions:
Under the study conditions, auto ignition temperature of the test substance was determined to be 386°C.
Executive summary:

A study was conducted to determine the auto ignition temperature of the test substance (Purity: 62.8%), according to the EU Method A15, in compliance with GLP. Under the study conditions, auto ignition temperature of the test substance was determined to be 386°C. (Chilworth, 2018).

Description of key information

Auto ignition temperature for the test substance was determined according to EU Method A.15 (Chilworth, 2018).

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
386 °C

Additional information