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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:
From September 02, 2017 to September 19, 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
Version / remarks:
EU Regulation (EC) 440/2008, Annex Part A test A15
Deviations:
not specified
GLP compliance:
yes
Key result
Auto-ignition temperature:
ca. 425 °C
Atm. press.:
ca. 101.9 kPa

Hot flame autoignition temperature (AIT, °C): 425

Volume Injected (cm3): 0.20

Ignition delay time (s): 10

Observed exotherms: 80 K at 423°C with injected quantity 0.20 cm3

Barometric Pressure (kPa): 101.9

Full test results:

Volume Injected (cm3)

Inner Flask Temp (°C)

Ignition?

yes (y) / no (n)

Delay Time (s)

Exotherm (°C)

Clean Vessel

0.10

395

n

-

5

0.10

440

y

9.9

-

0.10

422

n

-

21

0.10

430

n

-

29

0.10

435

y

9.6

-

0.10

433

y

13.0

-

0.10

431

y

12.1

-

Clean Vessel

0.10

429

y

10.7

-

0.10

427

n

-

48

0.07

427

n

-

13

0.05

427

n

-

2

0.20

427

y

6.3

-

0.20

425

n

-

67

Clean Vessel

0.20

425

y

9.9

-

0.20

423

n

-

80

0.30

423

n

-

61

0.40

423

n

-

40

0.50

423

n

-

36

Comments

No cool flames were observed.

Conclusions:
Under the study conditions, the autoignition temperature of the test substance was determined to be 425°C.
Executive summary:

A study was conducted to determine the auto-ignition temperature of the test substance according to EU Method A.15 . Under the study conditions, the auto-ignition temperature of the test substance was determined to be 425°C (Chilworth, 2017).

Description of key information

The auto-ignition temperature of the test substance was determined according to EU Method A.15 (Chilworth, 2017).

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
425 °C

Additional information