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

Description

4-Amino-3-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt is a red-colored organic compound that is soluble in water. It exhibits different colors and precipitations when exposed to various chemicals, such as strong sulfuric acid, dilute acetic acid, and strong hydrochloric acid.

Uses

Used in Dye Industry:
4-Amino-3-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt is used as a dye for coloring various materials due to its red color and solubility in water.
Used in Textile Industry:
4-Amino-3-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt is used as a dye for coloring fabrics, providing a vibrant red color that is resistant to acid, alkali, light, soaping, and fading.
Used in Analytical Chemistry:
4-Amino-3-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt can be used as an analytical reagent in various chemical tests, taking advantage of its color-changing properties when exposed to different chemicals.
Standard:
The standard for 4-Amino-3-[[4'-[(2,4-dihydroxyphenyl)azo]-3,3'-dimethyl-1,1'-biphenyl-4-yl]azo]-1-naphthalenesulfonic acid sodium salt includes its acid resistance, alkali resistance, light fastness, soaping, water fading, and stain fading properties, as measured by the AATCC test methods.

Preparation

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

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