13011-68-2

Basic information

• Product Name: sodium [3-[[3-[(3-amino-4-nitrophenyl)azo]-2,4-dihydroxyphenyl]azo]-4-hydroxybenzenesulphonato(3-)]cuprate(1-)
• Synonyms: sodium [3-[[3-[(3-amino-4-nitrophenyl)azo]-2,4-dihydroxyphenyl]azo]-4-hydroxybenzenesulphonato(3-)]cuprate(1-);ACID BROWN83 (C.I. 20250);Cuprate(1-), 3-3-(3-amino-4-nitrophenyl)azo-2-(hydroxy-.kappa.O)-4-hydroxyphenylazo-.kappa.N1-4-(hydroxy-.kappa.O)benzenesulfonato(3-)-, sodium;CIACIDBROWN83;C.I.20250;Acid Brown 83;GBLJDBLIDIXEQL-XGOFKLCLSA-K
• CAS NO: 13011-68-2
• Molecular Formula: C18H11CuN6O8S.Na
• Molecular Weight: 557.92
• EINECS: 235-862-9
• Mol File: 13011-68-2.mol
• Article Data: 0

Chemical Properties

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Appearance: /
• Density: g/cm³
• CAS DataBase Reference: sodium [3-[[3-[(3-amino-4-nitrophenyl)azo]-2,4-dihydroxyphenyl]azo]-4-hydroxybenzenesulphonato(3-)]cuprate(1-)(CAS DataBase Reference)
• NIST Chemistry Reference: sodium [3-[[3-[(3-amino-4-nitrophenyl)azo]-2,4-dihydroxyphenyl]azo]-4-hydroxybenzenesulphonato(3-)]cuprate(1-)(13011-68-2)
• EPA Substance Registry System: sodium [3-[[3-[(3-amino-4-nitrophenyl)azo]-2,4-dihydroxyphenyl]azo]-4-hydroxybenzenesulphonato(3-)]cuprate(1-)(13011-68-2)

Safety Data

• Hazardous Substances Data: 13011-68-2(Hazardous Substances Data)

Usage

Description

Sodium [3-[[3-[(3-amino-4-nitrophenyl)azo]-2,4-dihydroxyphenyl]azo]-4-hydroxybenzenesulphonato(3-)]cuprate(1-) is a complex organic compound with a unique chemical structure. It is characterized by its yellow light brown color and solubility properties, being soluble in water and insoluble in alcohol. The compound exhibits color changes when interacting with strong acids and bases, turning red orange in the presence of strong sulfuric acid and yellow brown upon dilution. It also changes color when reacting with strong hydrochloric acid and sodium hydroxide solution.

Uses

Used in Textile Industry:
Sodium [3-[[3-[(3-amino-4-nitrophenyl)azo]-2,4-dihydroxyphenyl]azo]-4-hydroxybenzenesulphonato(3-)]cuprate(1-) is used as a dye for the wool dyeing process. Its unique color-changing properties make it suitable for creating a range of shades in the textile industry.
Used in Leather Industry:
In addition to its application in the textile industry, sodium [3-[[3-[(3-amino-4-nitrophenyl)azo]-2,4-dihydroxyphenyl]azo]-4-hydroxybenzenesulphonato(3-)]cuprate(1-) is also utilized in the leather industry for coloring purposes. Its ability to produce different shades makes it a versatile option for leather products.
Please note that the provided materials do not mention any specific applications beyond the textile and leather industries. If there are other applications, they would need to be sourced from additional materials or research.

Preparation

3-Amino-4-methoxybenzenesulfonic acid diazotization and coupling resorcinol, then heated in a copper sulfate aqueous ammonia solution, to convert it into a copper complex, and then through diazotization of the 4-Nitrobenzene-1,3-diamine coupling. In the copper complex process methoxy substituted by hydroxyl.

InChI:InChI=1/C18H14N6O8S.Cu.Na/c19-11-7-9(1-4-14(11)24(28)29)20-23-17-16(26)6-3-12(18(17)27)21-22-13-8-10(33(30,31)32)2-5-15(13)25;;/h1-8,20,25,27H,19H2,(H,30,31,32);;/q;+2;+1/p-3/b22-21+,23-17+;;