6449-84-9

Basic information

• Product Name: 4-Amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]benzenesulfonic acid sodium salt
• Synonyms: 4-Amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]benzenesulfonic acid sodium salt;C.I.31500;C.I.Direct Brown 138;Diazo Brown 3R;Benzoic acid, 5-((4'-((2,4-diamino-5-((4-sulfophenyl)azo)phenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-3-methyl-, disodium salt
• CAS NO: 6449-84-9
• Molecular Formula: C24H22N11NaO3S
• Molecular Weight: 567.55815
• Mol File: 6449-84-9.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• CAS DataBase Reference: 4-Amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]benzenesulfonic acid sodium salt(CAS DataBase Reference)
• NIST Chemistry Reference: 4-Amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]benzenesulfonic acid sodium salt(6449-84-9)
• EPA Substance Registry System: 4-Amino-2-[(2,4-diaminophenyl)azo]-5-[[3-[(2,4-diaminophenyl)azo]phenyl]azo]benzenesulfonic acid sodium salt(6449-84-9)

Safety Data

• Hazardous Substances Data: 6449-84-9(Hazardous Substances Data)

Usage

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, first with 2-Hydroxy-3-methylbenzoic acid coupling, and then and 4-Aminobenzenesulfonic acid diazo, and Benzene-1,3-diamine coupled to accidentally coupled nitrogen compounds.

Properties and Applications

brown. Soluble in water for orange brown. The strong sulfuric acid to red light purple, for orange after diluted. The dye solution to join strong hydrochloric acid with brown precipitation; Add thick sodium hydroxide solution for red light brown, and with orange brown will sink. Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water Fading Stain Fading Stain

Standard

Acid Resistance

Fading

Stain