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Diss Factsheets

Physical & Chemical properties

Auto flammability

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Administrative data

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Endpoint:
auto-ignition temperature, other
Remarks:
Minimum ignition temperature dust cloud (BAM oven)
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Documentation insufficient for assessment. No information on purity of the substance.
Qualifier:
according to guideline
Guideline:
other: VDI Guideline 2263 Part 1: Ignition Temperature BAM-oven
Deviations:
not specified
Qualifier:
according to guideline
Guideline:
other: ESCIS Expert Commission for Safety in the Swiss Chemical Industry, Booklet 1 ''Sicherheitstests fur Chemikalien''.
Deviations:
not specified
GLP compliance:
not specified

The Minium Ignition Temperature determined in the BAM oven is greater than 550 deg C.

Conclusions:
The Minimum Ignition Temperature determined in the BAM oven for T002487 is greater than 550 deg C.
Endpoint:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Documentation insufficient for assessment. No information on purity of the substance.
Qualifier:
according to guideline
Guideline:
EU Method A.16 (Relative Self-Ignition Temperature for Solids)
Deviations:
yes
Qualifier:
according to guideline
Guideline:
other: VDI Guideline 2263 Part 1: Autoignition-Testing as per Grewer
Deviations:
not specified
Qualifier:
according to guideline
Guideline:
other: ESCIS Expert Commission for Safety in the Swiss Chemical Industry, Booklet 1 ''Sicherheitstests fur Chemikalien''.
Deviations:
not specified
Principles of method if other than guideline:
Modifications to the EU A.16 Method: A heating rate of 1.0-1.2 deg C/min or 0.6 deg C/min is used instead of 0.5 deg C/min due to an alternative Swiss Chemical Industry method and technical restriction of the apparatus used. Cylindric wire baskets with 0.2 mm openings are used.
GLP compliance:
not specified
Remarks on result:
other: See "Remarks"
Remarks:
The substance has no relative self-ignition temperature.

-heating rate: 0.6 deg C/min

-the sample is heated from room temperature (about 20 deg C) to +/-350 deg C (above the melting point)

-the sample shows no self-heating to 400 deg C in the test run

Conclusions:
In conclusion, the tested substance T002487 is not auto-flammable up to the temperature applied in the test run. The substance has no relative self-ignition temperature.
Endpoint:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
09 March - 21 July 2016
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)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Specific details on test material used for the study:
- Batch n°: M15GC2731
- Analytical purity: 99.8%
- Expiration date: 23 July 2016
- Storage condition: at room temperature protected from light
Key result
Remarks on result:
no self-ignition observed up to the melting point

No significant endothermic or exothermic effect of the test item was observed between 20°C and 323°C.

After the experiment, the test item had turned into a black molten residue and was collected in a container that was placed below the cube. It indicated that the test item had been molten, decomposed and/or reacted during the experiment.

Because there were no indications of self-heating observed in this test, the test item was considered ‘not self-heating’ and the main study according to UN N.4 was not performed.

Conclusions:
Based on the results of the EC A.16 test performed, the test item is considered ‘not self-ignitable’.

Description of key information

The auto-flammability potential of T002487 was determined in a K1 GLP study (Ciric, 2016) carried out according to EC A.16. No self-heating was observed up to the melting point of the test item, so therefore no relative self-ignition temperature could be determined.

Key value for chemical safety assessment

Additional information

There are two additional studies, for which the reliability was not assignable (K4), supporting the results obtained in the key study of Ciric (2016). Both studies are performed by the Process Safety Center of Janssen Pharmaceutica. A study conducted in 2004 reported no self-heating up to the melting point in an EC A.16 test (using the Grewer method). In a MIT (Minimum Ignition Temperature) dust cloud (BAM) study no ignition of the dust cloud under the conditions of the test was reported concluding that the minimum ignition temperature of the dust cloud is > 550°C (2001).