2,7-Naphthalenedisulfonic acid, 5-[(4-aminobenzoyl)amino]-3-[[4-[(2-chloro-6-methyl-4-sulfophenyl)azo]-2-ethoxy-6-sulfo-1-naphthalenyl]azo]-4-hydroxy-, tetrasodium salt

CAS No.
5852-23-3
Chemical Name:
2,7-Naphthalenedisulfonic acid, 5-[(4-aminobenzoyl)amino]-3-[[4-[(2-chloro-6-methyl-4-sulfophenyl)azo]-2-ethoxy-6-sulfo-1-naphthalenyl]azo]-4-hydroxy-, tetrasodium salt
Synonyms
Direct Green 49;C.I.Direct Green 49:C.I.28480;2,7-Naphthalenedisulfonic acid, 5-[(4-aminobenzoyl)amino]-3-[[4-[(2-chloro-6-methyl-4-sulfophenyl)azo]-2-ethoxy-6-sulfo-1-naphthalenyl]azo]-4-hydroxy-, tetrasodium salt
CBNumber:
CB64781824
Molecular Formula:
C36H25ClN6Na4O15S4
Molecular Weight:
1037.28698
MDL Number:
MOL File:
5852-23-3.mol

2,7-Naphthalenedisulfonic acid, 5-[(4-aminobenzoyl)amino]-3-[[4-[(2-chloro-6-methyl-4-sulfophenyl)azo]-2-ethoxy-6-sulfo-1-naphthalenyl]azo]-4-hydroxy-, tetrasodium salt Chemical Properties,Uses,Production

Preparation

4-Amino-3-chloro-5-methylbenzenesulfonic acid diazo, and 5-Amino-7-ehtoxy-2-naphthalenesulfonic acid coupling, its product to diazo, and 4-(4-Aminobenzamido)-5-hydroxynaphthalene-2,7-disulfonic acid?coupling.

Properties and Applications

yellow light green. Soluble in water for green light blue, soluble in ethanol. The strong sulfuric acid for olive green, purple for red after diluted. The dye solution to join strong hydrochloric acid have blue-ray red precipitate; Add thick sodium hydroxide solution have sauce red precipitate.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
AATCC 3 4 3 3 4

2,7-Naphthalenedisulfonic acid, 5-[(4-aminobenzoyl)amino]-3-[[4-[(2-chloro-6-methyl-4-sulfophenyl)azo]-2-ethoxy-6-sulfo-1-naphthalenyl]azo]-4-hydroxy-, tetrasodium salt Preparation Products And Raw materials

2,7-Naphthalenedisulfonic acid, 5-[(4-aminobenzoyl)amino]-3-[[4-[(2-chloro-6-methyl-4-sulfophenyl)azo]-2-ethoxy-6-sulfo-1-naphthalenyl]azo]-4-hydroxy-, tetrasodium salt C.I.Direct Green 49:C.I.28480 Direct Green 49 5852-23-3