This standard specifies the requirements, sampling, test methods, inspection rules, signs, labels, packaging, transportation and storage of acid black P-7BR (CI acid black 24, weak acid black BR) products. This standard applies to product quality control of acid black P-7BR. Structural formula: Molecular formula: CHNNaOS Relative molecular mass: 731.71 (according to the 2007 international relative atomic mass) CAS RN: 3071-73-6
HG/T 3695-2010 Referenced Document
GB 19601 Limit and determination of 23 harmful aromatic amines in dye products*, 2013-09-06 Update
GB 20814 Limit and determination of the quantity of heavy-metal elements in dye products*, 2014-07-24 Update