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Physical & Chemical properties

Auto flammability

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Administrative data

Endpoint:
auto-flammability
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP compliant, guideline study, available as an unpublished report, reliable without restrictions.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010

Materials and methods

Test guideline
Qualifier:
equivalent or similar to
Guideline:
other: Method N.4 of the UN Transport of Dengerous Goods, Manual of Tests and Criteria, fourth revised edition, 2003.
Deviations:
yes
Remarks:
Due to limited volume of test item available a modified method was used.
Principles of method if other than guideline:
Temperature of test item aliquot heated in oven. Temperature of oven and centre of test item constantly monitored with thermocouples for signs of self heating.
GLP compliance:
yes (incl. certificate)

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- Name of test material (as cited in study report): Refinable No 7: Flue dust, precious metal refining
- Physical state: Grey powder
- Lot/batch number: AAF4
- Expiry date: 17 June 2030
- Storage condition of test material: Room temperature in the dark

Results and discussion

Auto-ignition temperature (liquids / gases)
Remarks on result:
other: No self-heating of the substance was observed up to 400°C
Relative self-ignition temperature (solids)
Remarks on result:
other: No self-heating of the substance was observed up to 400°C

Any other information on results incl. tables

There were no signs of self-ignition or self heating over the duration of the test.

Applicant's summary and conclusion

Conclusions:
The substance was heated up to 400°C. There were no signs of self-ignition or self-heating over the duration of the test.
Executive summary:

In a GLP-compliant, guideline test the substance was heated up to 400°C. There were no signs of self-ignition or self-heating over the duration of the test.