6405-98-7

Basic information

• Product Name: 4-Amino-3-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt
• Synonyms: 4-Amino-3-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt;C.I.23515;C.I.Direct Red 68
• CAS NO: 6405-98-7
• Molecular Formula: C30H25 N5 O5 S . Na
• Molecular Weight: 0
• Mol File: 6405-98-7.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• CAS DataBase Reference: 4-Amino-3-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt(CAS DataBase Reference)
• NIST Chemistry Reference: 4-Amino-3-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt(6405-98-7)
• EPA Substance Registry System: 4-Amino-3-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt(6405-98-7)

Safety Data

• Hazardous Substances Data: 6405-98-7(Hazardous Substances Data)

Usage

Preparation

3,3′-Dimethylbenzidine double nitriding, respectively with the 4-Hydroxynaphthalene-1-sulfonic acid and Resorcinol coupling .

Properties and Applications

red. Soluble in water is palm red light. The strong sulfuric acid for blue, purple precipitation after diluted; In a dilute acetic acid with brown in the precipitation. The dye solution to join strong hydrochloric acid has the purple precipitation; Add thick sodium hydroxide solution no change. Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water Fading Stain Fading Stain AATCC 2 5 1-2 2-3 1-2

Standard

Acid Resistance

Fading

Stain

AATCC

2

InChI:InChI=1/C30H25N5O5S.Na/c1-17-13-19(7-10-24(17)32-34-26-12-9-21(36)15-28(26)37)20-8-11-25(18(2)14-20)33-35-27-16-29(41(38,39)40)22-5-3-4-6-23(22)30(27)31;/h3-16,36-37H,31H2,1-2H3,(H,38,39,40);/q;+1/p-1