2,7-Naphthalenedisulfonic acid, 4,4'-[(2,2'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(2,1-diazenediyl)]bis[3-hydroxy-, sodium salt (1:4)

CAS No.
6661-30-9
Chemical Name:
2,7-Naphthalenedisulfonic acid, 4,4'-[(2,2'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(2,1-diazenediyl)]bis[3-hydroxy-, sodium salt (1:4)
Synonyms
Acid Red 152;C.I.Acid Red 152:C.I.23010;2,7-Naphthalenedisulfonic acid, 4,4'-[(2,2'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(2,1-diazenediyl)]bis[3-hydroxy-, sodium salt (1:4)
CBNumber:
CB14750560
Molecular Formula:
C32H21Cl2N4NaO14S4
Molecular Weight:
907.66
MDL Number:
MOL File:
6661-30-9.mol

2,7-Naphthalenedisulfonic acid, 4,4'-[(2,2'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(2,1-diazenediyl)]bis[3-hydroxy-, sodium salt (1:4) Chemical Properties,Uses,Production

Preparation

4-(4-Amino-2-chlorophenyl)-3-chlorobenzenamine double nitriding, and 3-Hydroxynaphthalene-2,7-disulfonic acid (2 Moore) coupled.

Properties and Applications

red. Soluble in water for orange red, in very low in alcohol for light pink solubility, insoluble in acetone and toluene. The strong sulfuric acid for quality in red, for orange red after diluted. In water solution to join strong hydrochloric acid for red; With sodium hydroxide for red orange brown.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 4 3-4 4 3-4 1 3-4

2,7-Naphthalenedisulfonic acid, 4,4'-[(2,2'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(2,1-diazenediyl)]bis[3-hydroxy-, sodium salt (1:4) Preparation Products And Raw materials

Raw materials

Preparation Products

2,7-Naphthalenedisulfonic acid, 4,4'-[(2,2'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(2,1-diazenediyl)]bis[3-hydroxy-, sodium salt (1:4) Acid Red 152 C.I.Acid Red 152:C.I.23010 6661-30-9