3624-64-4

Basic information

• Product Name: sodium 6-hydroxy-5-[(2-hydroxy-5-nitrophenyl)azo]naphthalene-2-sulphonate
• Synonyms: sodium 6-hydroxy-5-[(2-hydroxy-5-nitrophenyl)azo]naphthalene-2-sulphonate;6-Hydroxy-5-[(2-hydroxy-5-nitrophenyl)azo]-2-naphthalenesulfonic acid sodium salt;C.I.16060;C.I.Mordant Red 34;Chrome Violet MS
• CAS NO: 3624-64-4
• Molecular Formula: C16H10N3NaO7S
• Molecular Weight: 411.32127
• EINECS: 222-827-8
• Mol File: 3624-64-4.mol
• Article Data: 0

Chemical Properties

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Appearance: /
• Density: g/cm³
• CAS DataBase Reference: sodium 6-hydroxy-5-[(2-hydroxy-5-nitrophenyl)azo]naphthalene-2-sulphonate(CAS DataBase Reference)
• NIST Chemistry Reference: sodium 6-hydroxy-5-[(2-hydroxy-5-nitrophenyl)azo]naphthalene-2-sulphonate(3624-64-4)
• EPA Substance Registry System: sodium 6-hydroxy-5-[(2-hydroxy-5-nitrophenyl)azo]naphthalene-2-sulphonate(3624-64-4)

Safety Data

• Hazardous Substances Data: 3624-64-4(Hazardous Substances Data)

Usage

Preparation

2-Amino-4-nitrophenol diazotization, and 6-Hydroxynaphthalene-2-sulfonic acid coupling.

Properties and Applications

blue light red. Soluble in water for orange brown, right amount soluble in ethanol. In concentrated sulfuric acid for red, to orange after diluted. Dye aqueous solution to join concentrated hydrochloric acid for orange; With strong caustic for orange brown. Standard Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water Alkali Acid ISO 4 5 4-5 4-5 4

Standard

Ironing Fastness

Alkali

Acid

ISO

4

InChI:InChI=1/C16H11N3O7S.Na/c20-14-6-2-10(19(22)23)8-13(14)17-18-16-12-4-3-11(27(24,25)26)7-9(12)1-5-15(16)21;/h1-8,17,20H,(H,24,25,26);/q;+1/p-1/b18-16-;