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EC number: 947-136-5 | CAS number: -
EU Method A.10
According to the CLP Regulation (EC 1272/2008), 2.7 section, flammable solids, powdered, granular or pasty substances or mixtures shall be classified as readily combustible solids when the time of burning of one or more of the test runs, performed in accordance with the test method described in Part III, sub-section 33.2.1, of the UN Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria, is less than 45 seconds or the rate of burning is more than 2.2 mm/s.
Acid Red 131:1 is a multiconstituent substance composed by the acidic and the sodium salt forms of the same structure (70.9 % and 13 % of the substance respectively).
The flammability assessment was based on the Read Across approach: the test has been conducted on the sodium salt form.
The difference between the two components has no influences on the flammability therefore the Read Across approach is considered acceptable.
The sodium salt did not propagate burning of a 200 mm length of the strip in less than four minutes, therefore even the multiconstituent substance Acid Red 131:1 is expected to be non flammable.
In conclusion, according to the CLP Regulation (EC 1272/2008) Acid Red 097:1 is classified as NON flammable.
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