Registration Dossier

Administrative data

Endpoint:
flammable solids
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Valid method similar to guideline

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2006
Report Date:
2006

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to
Guideline:
other: see below
Qualifier:
equivalent or similar to
Guideline:
EU Method A.10 (Flammability (Solids))
Principles of method if other than guideline:
The burning time was determined according to provisions of the German Chemical Act (Chemikaliengesetz) and transport (dangerous goods) regulations but no specific test guideline is quoted. The methods described are similar to the current EU method A.10.

Test material

Reference
Name:
Unnamed
Type:
Constituent

Results and discussion

Flammable solids
Test procedure:
burning time (test type not further specified)
Remarks:
or specified in description of method (migrated information)
Burning time:
254 s
Pyrophoric solids
Test procedure:
ignition time on contact with air
Remarks:
Ignition on contact with air refers to either Pyrophoric solids or Pyrophoric liquids depending on physical state (migrated information).
Remarks on result:
no ignition on contact with air (not further specified)
Remarks:
corresponding to 'no' in migrated source record.
Pyrophoric liquids
Test procedure:
ignition time on contact with air
Remarks:
Ignition on contact with air refers to either Pyrophoric solids or Pyrophoric liquids depending on physical state (migrated information).
Remarks on result:
no ignition on contact with air (not further specified)
Remarks:
corresponding to 'no' in migrated source record.

Any other information on results incl. tables

BZ (Brennzahl) 5: Spread of an open fire (definition according to HVBG, 2001)

Wetting of the powder strip with water stopped propagation.

Burning time for 200 mm: 254 s (0.79 mm/s)

A main test is not required.

Reference:HVBG, Hauptverband der gewerblichen Berufsgenossenschaften: GESTIS-DUST-EX Database - combustion and explosve characteristics of dusts, Edition 2/2001HVBG, Sankt Augustin, 2001

Applicant's summary and conclusion

Conclusions:
With a burning time for 200 mm of 254 s, the test item is not a highly flammable solid according to EU criteria or according to class 4.1 of UN dangerous goods regulations.
Executive summary:

The test substance was not a highly flammable solid according to EU and UN dangerous goods regulations in a burning rate test.