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Physical & Chemical properties


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Description of key information

a) flammability
According to the guideline VDI 2263 Blatt 1 the substance is non flammable. The substance melted on the ceramic base and did not burn down.
b) pyrophoric properties
In accordance with section 1 of REACH Annex XI, a study does not need to be conducted as it is scientifically unjustified. Based on experience during handling and use, no pyrophoric properties were observed.
c)Flammability in contact with water
In accordance with section 1 of REACH Annex XI, the study on flammability in contact with water does not need to be conducted as the substance contains no metals or metalloids and therefore will not release flammable gases in contact with water.

Key value for chemical safety assessment

non flammable

Additional information

Justification for classification or non-classification

1,4-dihydroxyanthraquinone is not flammable, it has no pyrophoric properties, no flammability in contact with water; and hence no classification according to both Directive 67/548/EEC and GHS (Regulation EC 1272/2008) is required.