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Diss Factsheets

Physical & Chemical properties

Auto flammability

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Endpoint:
relative self-ignition temperature (solids)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
15 November 2006 to 4 December 2006
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Study conducted to GLP in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of the relevant results.
Qualifier:
according to guideline
Guideline:
EU Method A.16 (Relative Self-Ignition Temperature for Solids)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Relative self-ignition temperature:
ca. 252 °C
Remarks on result:
other: No measures of pressure were recorded or provided in study

Observations after the test:

The cube contained a small amount of black/orange charred remains.

Conclusions:
The test material has been determined to have a relative self-ignition temperature of 252 °C.
Executive summary:

In a hazardous physico-chemical properties study (0370/0352), the relative self-ignition temperature of the test material was determined to be 252 °C, according to EU Test Method A16.

Endpoint:
auto-flammability
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
22 December 2010
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Study conducted in accordance with generally accepted scientific principles, with incomplete reporting or methodological deficiencies. There is not enough information contained within the summary report to accurately assign reliability.
Qualifier:
according to guideline
Guideline:
other: “Recommendations on the TRANSPORT OF DANGEROUS GOODS - Manual of Tests and Criteria - Third revised edition”.
Deviations:
no
GLP compliance:
not specified

In the first part of the test, the following results were obtained:

Sample

Result

1

No ignition

2

No ignition

3

No ignition

4

No ignition

5

No ignition

6

No ignition

 

In the second part of the test, the following results were obtained:

Temperature

 (°C)

Container Size

 (mm)

Sample Amount

(g)

Result

140

100

398.3

Heating 60°C greater than the oven temperature was observed

140

25

5.3

Heating 60°C greater than the oven temperature was not observed

120

100

371.2

Heating 60°C greater than the oven temperature was observed

100

100

389.0

Heating 60°C greater than the oven temperature was not observed

Conclusions:
Under the conditions of the study, no self-ignition of the test substance was seen in air.
Executive summary:

A study was conducted that combined two individual tests, Ignition in Air and Self-heating Properties, in accordance with Methods outlined in the “Recommendations on the TRANSPORT OF DANGEROUS GOODS - Manual of Tests and Criteria - Third revised edition”. Under the conditions of the study, no self-ignition of the test substance was seen in air.

Description of key information

The test material has been determined to have a relative self-ignition temperature of 252 °C.

Key value for chemical safety assessment

Autoflammability / Self-ignition temperature at 101 325 Pa:
252 °C

Additional information

In a hazardous physico-chemical properties study (0370/0352), the relative self-ignition temperature of the test material was determined to be 252 °C, according to EU Test Method A16. The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997). The relative self-ignition temperature of the test material was determined to be 252 °C.

In addition, a study was conducted that combined two individual tests, Ignition in Air and Self-heating Properties, in accordance with Methods N2 and N4 of the “Recommendations on the TRANSPORT OF DANGEROUS GOODS - Manual of Tests and Criteria - Third revised edition”. The study was awarded a reliability score of 4 in accordance with the criteria set forth by Klimisch et al. (1997). Under the conditions of the study, no self-ignition of the test substance was seen in air.