This standard specifies the requirements, sampling, test methods, inspection rules, signs, labels, packaging, transportation and storage of acid dark blue NM-BGL (CI acid blue 317) products. This standard applies to product quality control of acid dark blue NM-BGL. Structural formula: Molecular formula: CHCrNNaOS Relative molecular mass: 768.56 (according to the 2007 international relative atomic mass) CAS RN: 68541-71-9
HG/T 4166-2010 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