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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:
Start date of the experimental work: 23 August 2018 and Completion date of the experimental work: 31 October 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:
no
GLP compliance:
yes (incl. certificate)
Key result
Auto-ignition temperature:
281 °C
Atm. press.:
100.4 kPa

Full test results:

Part 1:

Atm. Press (kPa)

Inner Flask Temp (°C)

Conc.

(µl)

Clean Flask?

yes (y) /
no (n)

Ignition yes (y) / no (n)

Time lag (s)

Comments

101.6

500

100

y

y

1

Medium flame

101.6

440

100

y

y

1

Medium flame

101.4

410

100

y

y

1

Medium flame

101.4

380

100

y

y

2

Medium flame

101.4

350

100

y

y

4

Medium flame

101.4

320

100

y

n

-

-

101.4

320

150

y

n

-

-

101.4

335

100

y

y

4

Small flame

101.4

326

100

y

n

-

-

100.9

329

100

y

n

-

-

100.9

329

150

y

y

5

Small flame

100.9

326

150

y

n

-

-

100.9

326

200

y

y

5

Small flame

100.9

320

200

y

n

-

-

100.9

323

200

y

n

-

-

99.9

323

300

y

y

6

Small flame

99.9

320

300

y

y

6

Small flame

99.9

314

300

y

n

-

-

Part 2:

Atm. Press (kPa)

Inner Flask Temp (°C)

Conc.

(µl)

Clean Flask?

yes (y) /
no (n)

Ignition yes (y) / no (n)

Time lag (s)

Comments

99.9

314

400

y

n

-

-

99.9

317

400

y

y

7

Small flame

99.9

314

500

y

n

-

-

99.9

314

200

y

y

7

Small flame

99.9

308

200

y

n

-

-

99.9

311

200

y

y

6

Small flame

99.9

308

300

y

n

-

-

99.9

308

400

y

y

8

Small flame

99.9

302

400

y

y

8

Small flame

100.4

296

400

y

y

10

Small flame

100.4

290

400

y

n

-

-

100.4

290

500

y

y

9

Small flame

100.4

284

500

y

y

10

Small flame

100.4

278

500

y

n

-

-

100.4

278

600

y

n

-

-

100.4

281

500

y

y

10

Small flame

100.4

278

400

y

n

-

-

100.4

278

300

y

n

-

-

100.5

278

700

y

n

-

-

100.5

278

800

y

n

-

-

Conclusions:
The autoignition temperature of the test item has been determined to be 281°C.
Executive summary:

The test covers the determination of hot and cool flame autoignition temperatures of a liquid chemical in air at atmospheric pressure in a uniformly heated vessel.

The test is conducted in accordance with the procedure described in EU Regulation (EC) 440/2008, Annex Part A test A.15.

The autoignition temperature of the test item has been determined to be 281°C.

Description of key information

The test is conducted in accordance with the procedure described in EU Regulation (EC) 440/2008, Annex Part A test A.15.

The autoignition temperature of the test item has been determined to be 281°C.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
281 °C

Additional information