6472-50-0

Basic information

• Product Name: disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethyl[1,1'-biphenyl]-2,2'-disulphonate
• Synonyms: 1,1-Biphenyl-2,2-disulfonic acid, 4,4-bis(2-hydroxy-1-naphthalenyl)azo-5,5-dimethyl-, disodium salt;4,4'-Bis((2-hydroxy-1-naphthalenyl)azo)-5,5'-dimethyl-(1,1'-biphenyl)-2,2'-disulfonate disodium salt;4,4'-Bis[(2-hydroxy-1-naphtyl)azo]-5,5'-dimethyl-1,1'-biphenyl-2,2'-disulfonic acid disodium salt;C.I.Acid Red 89;(1,1'-Biphenyl)-2,2'-disulfonic acid, 4,4'-bis(2-(2-hydroxy-1-naphthalenyl)diazenyl)-5,5'-dimethyl-, sodium salt (1:2);Einecs 229-321-6;disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethyl[1,1'-biphenyl]-2,2'-disulphonate
• CAS NO: 6472-50-0
• Molecular Formula: C34H24N4Na2O8S2
• Molecular Weight: 726.6859
• EINECS: 229-321-6
• Mol File: 6472-50-0.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• CAS DataBase Reference: disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethyl[1,1'-biphenyl]-2,2'-disulphonate(CAS DataBase Reference)
• NIST Chemistry Reference: disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethyl[1,1'-biphenyl]-2,2'-disulphonate(6472-50-0)
• EPA Substance Registry System: disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethyl[1,1'-biphenyl]-2,2'-disulphonate(6472-50-0)

Safety Data

• Hazardous Substances Data: 6472-50-0(Hazardous Substances Data)

Usage

Preparation

5-Amino-2-(4-amino-5-methyl-2-sulfophenyl)-4-methylbenzenesulfonic double nitriding, and Naphthalen-2-ol (2 Moore) coupled.

Properties and Applications

red. Soluble in hot water, slightly soluble in cold water, soluble in ethanol, acetone, soluble fiber element and Pyridine, insoluble in other organic solvents. The strong sulfuric acid to red light purple, blue and red after diluted precipitation; In nitric acid with dark red in, and then into the orange. In water solution to join strong hydrochloric acid have article red precipitate; Add thick sodium hydroxide solution for orange brown. Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater Fading Stain Fading Stain Fading Stain ISO 4 3 4-5 4 3 4 4 4 AATCC 3 3 3 4 3 3 4 4

Standard

Light Fastness

Fading

Stain

ISO

4

AATCC

3

InChI:InChI=1/C34H26N4O8S2.2Na/c1-19-15-25(31(47(41,42)43)17-27(19)35-37-33-23-9-5-3-7-21(23)11-13-29(33)39)26-16-20(2)28(18-32(26)48(44,45)46)36-38-34-24-10-6-4-8-22(24)12-14-30(34)40;;/h3-18,35-36H,1-2H3,(H,41,42,43)(H,44,45,46);;/q;2*+1/p-2/b37-33-,38-34+;;