Synonyms:C.I. 22910; C.I. Acid Yellow 42; C.I. Acid Yellow 42 disodium salt; C.I. Acid Yellow 42, disodium salt; disodium 4,4-bis(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-ylazo)-1,1-biphenyl-2,6-disulphonate; Acid Yellow 42; disodium 4,4′-bis[(E)-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)diazenyl]biphenyl-2,2′-disulfonate; disodium 5-(5-hydroxy-3-methyl-1-phenyl-pyrazol-4-yl)azo-2-[4-(5-hydroxy-3-methyl-1-phenyl-pyrazol-4-yl)azo-2-sulfonato-phenyl]benzenesulfonate; Acid Yellow 42;Acid Yellow RS
Appearance:Bright yellow powder
Solubility:Soluble in water, the aqueous solution is lemon yellow.Soluble in ethanol, lemon yellow, slightly soluble in acetone.
Application:It is mainly used for wool dyeing and direct printing of wool, silk and viscose fabrics. When used for dyeing wool and other fibers in the same bath, acetate fiber and cellulose fiber have slight staining. It has good discharge. It can also be used for nylon dyeing, leather coloring, etc.
Quality guarantee period: 24 months.
Packing: 25kgs iron drum.
Storage:Store in a cool and ventilated room and prevent moisture and heat.