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Physical & Chemical properties

Auto flammability

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auto-ignition temperature (liquids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From 2017-09-18 to 2017-09-29
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
according to guideline
EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases))
GLP compliance:
yes (incl. QA statement)
Specific details on test material used for the study:
- Batch n°: DR74271215
- Production release date: 30 November 2015
- Description: clear liquid
- Molecular formula: C13H31N3O2
- Molecular weight: 261.4 g/mol
- Expiry date: 30 December 2018
- Purity (on dry basis): 98.2%, water content: 0.05%
Key result
Auto-ignition temperature:
179 °C
Atm. press.:
101.5 kPa
Remarks on result:
other: No cool flames were observed. Ignition produced an orange, orange/blue or purple flame (medium to large size)

Hot flame autoignition temperature (AIT, °C): 179

Including correction factor for barometric pressure (°C) : 179

Time lag to autoignition (s) : 19

Barometric pressure (kPa) : 101.5

Sample quantity (μl) : 2000

Relative Humidity (%) : 60

The full test results are described in the report.

The autoignition temperature of the test item has been determined to be 179°C.

Description of key information

The test item has been determined to have an auto-ignition temperature of 179 °C at an atmospheric pressure of 101.5 kPa in a GLP study according to EU A.15 (K1; Younis, 2017).

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
179 °C

Additional information

The auto-ignition temperature is expressed at an atmospheric pressure of 101.5 kPa