This standard specifies the requirements, sampling, test methods, inspection rules, and marking, labeling, packaging, transportation and storage of CI Acid Red 447 products. This standard applies to the quality control of CI acid red 447 products.
HG/T 4721-2014 Referenced Document
GB 19601 Limit and determination of 23 harmful aromatic amines in dye products
GB 20814 Limit and determination of the quantity of heavy-metal elements in dye products