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In accordance with section 1 of REACH Annex XI testing does not appear scientifically necessary. The flammability of liquids is determined on basis of their flashpoint (in combination with their boiling point), their ability to emit flammable gases upon contact with water and their pyrophoricity. The molecular structure of N,N,N',N'-tetramethyltrimethylenediamine does not contain groups that indicate potential reactivity with water or pyrophoric properties. The flashpoint is already reported, indicating that N,N,N',N'-tetramethyltrimethylenediamine is flammable Category 3 H226 Flammable liquid and vapour according to Regulation (EC) No 1272/2008

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