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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:
03 April 2018 to 05 April 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)
Specific details on test material used for the study:
- Batch No.of test material: 20141015
- Purity: 99.35%
- Expiration date of the lot/batch: January 2019
- Stability under test conditions: Room temperature
Key result
Auto-ignition temperature:
416 °C
Atm. press.:
101.6 kPa

Full test results:

Atm. Press (kPa)

Inner Flask

Temp (°C)

Conc. (µl)

Clean Flask?

yes (y) / no (n)

Ignition yes (y) / no (n)

Time lag (s)

Comments

99.4

500

100

y

y

2

Large flame

99.1

440

100

y

y

8

Orange flame

99.1

380

100

y

n

-

-

99.1

410

100

y

n

-

-

99.1

425

100

y

y

12

Large orange flame

99.1

416

100

y

n

-

-

99.1

422

100

y

y

13

Large orange flame

99.1

419

100

y

n

-

-

99.1

419

200

y

n

-

-

99.1

419

70

y

n

-

-

99.1

419

150

y

n

-

-

99.1

419

250

y

n

-

-

99.1

419

50

y

n

-

-

99.1

419

300

y

y

7

Orange flame

101.6

416

300

y

y

11

Orange flame

101.6

410

300

y

y

-

-

101.6

413

300

y

n

-

-

101.6

413

400

y

n

-

-

101.6

413

500

y

n

-

-

101.6

413

600

y

n

-

-

101.9

413

200

y

n

-

-

101.9

413

100

y

n

-

-

101.9

413

250

y

n

-

-

101.9

413

150

y

n

-

-

No cool flames were observed. Ignition produced an orange flame.

Hot flame autoignition temperature (AIT,°C):

416

Including correction factor for barometric pressure (°C):

416

Time lag to autoignition (s):

11

Barometric pressure (kPa):

101.6

Sample quantity (µl):

300

Relative Humidity (%):

36

Conclusions:
The test item has been determined to have an auto-ignition temperature of 416 °C at a barometric pressure of 101.6 kPa.

Description of key information

The test item has been determined to have an auto-ignition temperature of 416°C at an atmospheric pressure of 101.6 kPa in a GLP-compliant study according to EU A.15 (K1, Dekra, 2018).

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
416 °C

Additional information