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Physical & Chemical properties

Auto flammability

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Administrative data

Link to relevant study record(s)

relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From July 29, 2019 to October 14, 2019
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
according to guideline
EU Method A.16 (Relative Self-Ignition Temperature for Solids)
GLP compliance:
Relative self-ignition temperature:
> 400 °C
Remarks on result:
no self-ignition observed up to the melting point

Table 1. The phenomenon of self-ignition did not occur at 400°C or below.


Weight of Test item (g)



Heating rate (°C/min)



Self Temperature

Not observed upto 400 °C

Not observed upto 400 °C

Test Item Physical observation

Red colour turned to Black colour

Red colour turned to Black colour

The Relative Self Ignition temperature of CR SR94 was not observed  upto 400°C with 0.5°C/min heating rate.
Executive summary:

The relative self-ignition temperature for solids of CR SR94 was determined according to EC REGULATION No 440/2008 Annex A.16 Relative Self-Ignition Temperature for Solids. The test result showed that the phenomenon of self-ignition did not occur at 400°C or below.

Description of key information

The phenomenon of self-ignition did not occur at 400°C or below (EC A.16).

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
400 °C

Additional information