6359-88-2

Basic information

• Product Name: ACID YELLOW 76 (C.I. 18850)
• Synonyms: acidyellow76(c.i.18850);AcieLeatherYellow2G;benzenesulfonicacid,4-[4,5-dihydro-3-methyl-4-[[4-[[(4-methylphenyl)sulfonyl];C.1.AcidYellow76(18850);WeakAcidFlavine2G;sodium 5-hydroxy-3-methyl-4-(4-(4-methylphenylsulphonyloxy)phenylazo)-1H-pyrazol-1-yl)benzenesulphonate;C.I. Acid Yellow 76;4-[4,5-Dihydro-3-methyl-4-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-5-oxo-1H-pyrazol-1-yl]benzenesulfonic acid sodium salt
• CAS NO: 6359-88-2
• Molecular Formula: C23H19N4O7S2.Na
• Molecular Weight: 550.546
• EINECS: 228-812-2
• Mol File: 6359-88-2.mol
• Article Data: 0

Chemical Properties

• Appearance: Yellow powder
• CAS DataBase Reference: ACID YELLOW 76 (C.I. 18850)(CAS DataBase Reference)
• NIST Chemistry Reference: ACID YELLOW 76 (C.I. 18850)(6359-88-2)
• EPA Substance Registry System: ACID YELLOW 76 (C.I. 18850)(6359-88-2)

Safety Data

• Hazardous Substances Data: 6359-88-2(Hazardous Substances Data)

Usage

Preparation

4-Aminophenol diazo, and 4-(3-Methyl-5-oxo-4,5-dihydropyrazol-1-yl)benzenesulfonic acid coupling, and then use 4-Methylbenzene-1-sulfonyl chloride make phenol hydroxyl esterification.

Properties and Applications

yellow. Yellow powder, soluble in water. Mainly used for wool, silk, polyamide fiber and its blended fabric dyeing and printing, also can be used for leather color. Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater Fading Stain Fading Stain Fading Stain ISO 5 3-4 4-5 2-3 4-5

Standard

Light Fastness

Fading

Stain

ISO

5

InChI:InChI=1/C23H20N4O7S2.Na/c1-15-3-11-21(12-4-15)36(32,33)34-19-9-5-17(6-10-19)24-25-22-16(2)26-27(23(22)28)18-7-13-20(14-8-18)35(29,30)31;/h3-14,24H,1-2H3,(H,29,30,31);/q;+1/p-1/b25-22-;