6406-36-6

Basic information

• Product Name: 2-Hydroxy-5-[[5-hydroxy-6-[(2-sodiooxycarbonylphenyl)azo]-7-sodiosulfo-2-naphthalenyl]azo]benzoic acid sodium salt
• Synonyms: 2-Hydroxy-5-[[5-hydroxy-6-[(2-sodiooxycarbonylphenyl)azo]-7-sodiosulfo-2-naphthalenyl]azo]benzoic acid sodium salt;C.I.26540;C.I.Direct Red 186;Chrome Soga Red 29851
• CAS NO: 6406-36-6
• Molecular Weight: 0
• Mol File: 6406-36-6.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• CAS DataBase Reference: 2-Hydroxy-5-[[5-hydroxy-6-[(2-sodiooxycarbonylphenyl)azo]-7-sodiosulfo-2-naphthalenyl]azo]benzoic acid sodium salt(CAS DataBase Reference)
• NIST Chemistry Reference: 2-Hydroxy-5-[[5-hydroxy-6-[(2-sodiooxycarbonylphenyl)azo]-7-sodiosulfo-2-naphthalenyl]azo]benzoic acid sodium salt(6406-36-6)
• EPA Substance Registry System: 2-Hydroxy-5-[[5-hydroxy-6-[(2-sodiooxycarbonylphenyl)azo]-7-sodiosulfo-2-naphthalenyl]azo]benzoic acid sodium salt(6406-36-6)

Safety Data

• Hazardous Substances Data: 6406-36-6(Hazardous Substances Data)

Usage

Description

2-Hydroxy-5-[[5-hydroxy-6-[(2-sodiooxycarbonylphenyl)azo]-7-sodiosulfo-2-naphthalenyl]azo]benzoic acid sodium salt is a complex organic compound characterized by its dark purplish-red color. It is soluble in water, exhibiting a red hue, and is also adequately soluble in alcohol. When exposed to concentrated sulfuric acid in the dark, it turns into a pale orange-red to brown color. The dye solution undergoes a color change to red light brown upon the addition of strong hydrochloric acid, and the addition of sodium hydroxide results in a red light brown precipitate.

Uses

Used in Dye Industry:
2-Hydroxy-5-[[5-hydroxy-6-[(2-sodiooxycarbonylphenyl)azo]-7-sodiosulfo-2-naphthalenyl]azo]benzoic acid sodium salt is used as a dye in various applications due to its unique color-changing properties in response to different chemical environments. Its solubility in water and alcohol makes it suitable for use in textile dyeing, ink formulation, and other industries where colorants are required.
Used in Analytical Chemistry:
In analytical chemistry, 2-Hydroxy-5-[[5-hydroxy-6-[(2-sodiooxycarbonylphenyl)azo]-7-sodiosulfo-2-naphthalenyl]azo]benzoic acid sodium salt can be employed as an indicator or reagent in various colorimetric assays. Its color-changing behavior in the presence of different chemicals allows for the detection and quantification of specific substances in a sample.
Used in Research and Development:
The unique chemical properties of 2-Hydroxy-5-[[5-hydroxy-6-[(2-sodiooxycarbonylphenyl)azo]-7-sodiosulfo-2-naphthalenyl]azo]benzoic acid sodium salt make it a valuable compound for research and development purposes. It can be used to study the interactions between molecules and their effects on color, as well as to develop new materials and applications based on its properties.

Preparation

2-Aminobenzoic acid diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, its product to diazo, coupled with 2-Hydroxybenzoic acid.

InChI:InChI=1/C24H16N4O9S.3Na/c29-19-8-6-14(11-17(19)24(33)34)26-25-13-5-7-15-12(9-13)10-20(38(35,36)37)21(22(15)30)28-27-18-4-2-1-3-16(18)23(31)32;;;/h1-11,29-30H,(H,31,32)(H,33,34)(H,35,36,37);;;/q;3*+1/p-3