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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 August 31, 2017 to September 01, 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
Deviations:
no
GLP compliance:
yes
Key result
Auto-ignition temperature:
223 °C
Atm. press.:
102 kPa

Test Results for PPG-2 Myristyl Ether Propionate

Hot Flame Auto-ignition Temperature (AIT, °C)

223

Volume Injected (cm3)

0.10

Ignition Delay Time (s)

14

Observed Exotherms

90 K at 221 °C with injected quantity 0.07 cm3

Barometric Pressure

(kPa)

102.0

 Cool Flame None observed 
Conclusions:
The auto-ignition temperature of liquid PPG-2 myristyl ether propionate was determined to be 223 °C at 102.0 kPa.
Executive summary:

To determine the auto-ignition temperature (liquids) of PPG-2 myristyl ether propionate, a GLP-compliant study was performed in line with EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases)) of EU Regulation (EC) 440/2008, Annex Part A. The aim of the test is to establish the temperature of hot flame auto-ignition of a liquid chemical in air, while contained in a uniformly heated vessel. The auto-ignition temperature is considered to be the minimum temperature at which a combustible substance / mixture will produce hot flame ignition in air at atmospheric pressure without the aid of an external ignition source such as a spark or flame. The experiment was performed nineteen times (inner flask temperature recorded from 221 - 348 °C) and the vessel cleaned between the interval of 4 / 5 and 9 / 10. A final auto-ignition temperature of 223 °C was obtained for PPG-2 myristyl ether propionate at 102.0 kPa.

Description of key information

An auto-ignition temperature of 223 °C at 102.0 kPa was observed for liquid PPG-2 myristyl ether propionate.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
223 °C

Additional information

The final endpoint value for auto-flammability has been concluded as reliable without restriction (Klimisch score of 1) given that it was derived from a GLP-compliant key study in line with EU Method A.15 (Auto-Ignition Temperature (Liquids and Gases)) of EU Regulation (EC) 440/2008, Annex Part A. No deviation from the protocol was reported.

 

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