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Flash point

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flash point of flammable liquids
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From 2017-09-15 to 2017-09-18
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
according to guideline
EU Method A.9 (Flash-Point)
GLP compliance:
yes (incl. QA statement)
Type of method:
closed cup
Flash point apparatus:
Pensky-Martens apparatus
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
Flash point:
146.5 °C
Atm. press.:
100.4 kPa

Full test results

Procedure A


Temperature (°C)

Barometric Pressure  (kPa)

Ignition? Yes (y) / No (n)


Halo/Enlarged test flame? Yes (y) / No (n)

 25.0 - 143.0 100.4 N N/A
 144.1100.4 N/A 
 122.0 - 145.0 100.4N/A 
 146.1 100.4 Y N/A
Run 2
  124.0 - 147.0 100.8 N N/A
   148.2 100.8 Y N/A
Interpretation of results:
GHS criteria not met
The closed-cup flash point temperature of the test item has been determined to be 146.5°C at 100.4 kPa.

Description of key information

The flash point of the substance was determined in a GLP study according to test method EC A.9 (K1; Younis, 2017). The flash point of the test item has been determined to be 146.5 °C at 100.4 kPa using a closed cup equilibrium method.

Key value for chemical safety assessment

Flash point at 101 325 Pa:
146.5 °C

Additional information

The flash-point is expressed at an atmospheric pressure of 100.4 kPa.