This standard specifies the requirements, sampling, test methods, inspection rules, signs, labels, packaging, transportation and storage of Acid Yellow P-4R 150% (CI Acid Yellow 42, Weak Acid Yellow R) products. This standard is applicable to the product quality control of Acid Brilliant Yellow P-4R 150%. This product is mainly used for nylon dyeing, and can also be used for dyeing wool, silk and other fibers and leather. Molecular formula: C32H24N8Na2O8S2 Relative molecular mass: 758.69 (according to 2005 international relative atomic Quality) CAS: 6375-55-9
GB/T 21890-2008 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