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EC number: 263-606-6 | CAS number: 62570-50-7
Flammability
Administrative data
Link to relevant study record(s)
- Endpoint:
- flammable solids
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 8 days
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- comparable to guideline study
- Qualifier:
- according to
- Guideline:
- EU Method A.10 (Flammability (Solids))
- Qualifier:
- according to
- Guideline:
- UN Manual of Tests and Criteria: Test N.1 (Test method for readily combustible solids)
- Principles of method if other than guideline:
- The preliminary screening test was performed for the determination of the flammability of the test item. The test item was loosely filled into an aluminium mould of 250 mm long with a triangular cross-section of inner height of 10 mm and width of 20 mm. On both sides of the mould in a longitudinal direction two metal plates were mounted as lateral limitations that project 2 mm beyond the upper edge of the triangular cross section. The mould was dropped three times from a height of 2 cm onto a solid surface. If necessary, the mould was filled up again. The lateral limitations were removed and the excess substance was scraped off. A noncombustible and non-porous plate was placed on top of the mould. The complete assembly was inverted and the mould removed.
A flame of a gas burner was applied to one end of the test item pile for 2 minutes. The pile was visually interpreted for propagation of combustion either by burning with a flame or smouldering. If applicable, the time of burning over a distance of 200 mm was measured after the pile had burned a distance of 50 mm.
If the test item does not propagate combustion along 200 mm of the pile within the 4 minutes test period1 the test item is considered ‘not highly flammable’. - GLP compliance:
- yes (incl. certificate)
- Specific details on test material used for the study:
- Batch 135214 of Disperse Blue 359 was a dark blue powder with a purity of 99%.
- Key result
- Test procedure:
- burning rate test: preliminary screening test
- Burning time:
- ca. 4 min
- Moisture (wt %):
- 0
- Remarks on result:
- substance does not ignite and propagate combustion either by burning with flame or smouldering along 200 mm of the powder train within the 2 minutes test period
- Interpretation of results:
- not classified based on GHS criteria
- Conclusions:
- In contact with flame the test material melted, emitted sparks and turned into a dark blue/black residue. Blue smoke was observed. After removal of the ignition source no propagation of the combustion of the test item was obtained. Based on these results the test item is considered "not highly flammable".
- Executive summary:
In contact with flame the test material melted, emitted sparks and turned into a dark blue/black residue. Blue smoke was observed. After removal of the ignition source no propagation of the combustion of the test item was obtained. Based on these results the test item is considered "not highly flammable".
Reference
In contact with flame the test material melted, emitted sparks and turned into a dark blue/black residue. Blue smoke was observed. After removal of the ignition source no propagation of the combustion of the test item was obtained. Based on these results the test item is considered "not highly flammable".
Description of key information
In contact with flame the test material melted, emitted sparks and turned into a dark blue/black residue. Blue smoke was observed. After removal of the ignition source no propagation of the combustion of the test item was obtained. Based on these results the test item is considered "not highly flammable".
Key value for chemical safety assessment
- Flammability:
- not classified
Additional information
In contact with flame the test material melted, emitted sparks and turned into a dark blue/black residue. Blue smoke was observed. After removal of the ignition source no propagation of the combustion of the test item was obtained. Based on these results the test item is considered "not highly flammable".
Justification for classification or non-classification
In contact with flame the test material melted, emitted sparks and turned into a dark blue/black residue. Blue smoke was observed. After removal of the ignition source no propagation of the combustion of the test item was obtained. Based on these results the test item is considered "not highly flammable".
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