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Physical & Chemical properties

Auto flammability

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Link to relevant study record(s)

Reference
Endpoint:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
18/04 to 31/05 2019
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.16 (Relative Self-Ignition Temperature for Solids)
Version / remarks:
UN Test N.4 was used
Although UN Test N.4 is listed as a suitable test under the “Flammability” end point, in the ECHA Guidance on Information Requirements and Chemical Safety Assessment Chapter R.7a: Endpoint specific guidance (version 6.0 July 2017) it states the following;
"For solids * Note: the UN Test N.4 is preferable to generate the information for this endpoint. Refer to R.7.1.10.7"

Deviations:
no
GLP compliance:
yes (incl. QA statement)
Key result
Relative self-ignition temperature:
0
Remarks on result:
no self ignition observed under the test conditions
Conclusions:
DOPO-HQ does not show signs of exothermic activity during the first trial, and therefore is not subject to transportation restrictions of UN Class 4 Division 4.2.

Description of key information

DOPO-HQ does not show signs of exothermic activity during the first trial, and therefore is not subject to transportation restrictions of UN Class 4 Division 4.2.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
0 °C

Additional information