6548-30-7

Basic information

• Product Name: disodium 8-[[3,3'-dimethoxy-4'-[[4-[[(p-tolyl)sulphonyl]oxy]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-7-hydroxynaphthalene-1,3-disulphonate
• Synonyms: disodium 8-[[3,3'-dimethoxy-4'-[[4-[[(p-tolyl)sulphonyl]oxy]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-7-hydroxynaphthalene-1,3-disulphonate;Acid Red 128;ACIDRED128,DISODIUMSALT;Acid red 128 (C.I. 24125);1,3-Naphthalenedisulfonic acid, 8-[[3,3'-dimethoxy-4'-[[4- [[(4-methylphenyl)sulfonyl]oxy]phenyl]azo][1,1'-biphenyl ]-4-yl]azo]-7-hydroxy-, disodium salt;8-[[3,3'-Dimethoxy-4'-[[4-[[(4-methylphenyl)sulfonyl]oxy]phenyl]azo]-1,1'-biphenyl-4-yl]azo]-7-hydroxy-1,3-naphthalenedisulfonic acid disodium salt;C.I.24125;C.I.Acid Red 128
• CAS NO: 6548-30-7
• Molecular Formula: C37H28N4Na2O12S3
• Molecular Weight: 862.81236
• EINECS: 229-469-1
• Product Categories: Organics
• Mol File: 6548-30-7.mol
• Article Data: 0

Chemical Properties

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Appearance: /
• Density: g/cm³
• CAS DataBase Reference: disodium 8-[[3,3'-dimethoxy-4'-[[4-[[(p-tolyl)sulphonyl]oxy]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-7-hydroxynaphthalene-1,3-disulphonate(CAS DataBase Reference)
• NIST Chemistry Reference: disodium 8-[[3,3'-dimethoxy-4'-[[4-[[(p-tolyl)sulphonyl]oxy]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-7-hydroxynaphthalene-1,3-disulphonate(6548-30-7)
• EPA Substance Registry System: disodium 8-[[3,3'-dimethoxy-4'-[[4-[[(p-tolyl)sulphonyl]oxy]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-7-hydroxynaphthalene-1,3-disulphonate(6548-30-7)

Safety Data

• Hazardous Substances Data: 6548-30-7(Hazardous Substances Data)

Usage

Preparation

3,3′-Dimethoxylbenzidine double nitriding, respectively with the 7-Hydroxynaphthalene-1,3-disulfonic acid and phenol coupling, then use 4-Methylbenzene-1-sulfonyl chloride will of phenol hydroxyl esterification.

Properties and Applications

yellow light red. Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater Fading Stain Fading Stain Fading Stain ISO 5 4 4 4 3-4 4 4-5 4-5

Standard

Light Fastness

Fading

Stain

ISO

5

InChI:InChI=1/C37H30N4O12S3.2Na/c1-22-4-13-28(14-5-22)56(49,50)53-27-11-9-26(10-12-27)38-39-30-15-6-23(19-33(30)51-2)24-7-16-31(34(20-24)52-3)40-41-37-32(42)17-8-25-18-29(54(43,44)45)21-35(36(25)37)55(46,47)48;;/h4-21,40H,1-3H3,(H,43,44,45)(H,46,47,48);;/q;2*+1/p-2/b39-38+,41-37+;;