5858-53-7

Basic information

• Product Name: sodium 5-hydroxy-6-(naphthylazo)naphthalenesulphonate
• Synonyms: sodium 5-hydroxy-6-(naphthylazo)naphthalenesulphonate;5-Hydroxy-6-(1-naphthalenylazo)-1-naphthalenesulfonic acid sodium salt;C.I.14830;C.I.Acid Red 20
• CAS NO: 5858-53-7
• Molecular Formula: C20H13N2NaO4S
• Molecular Weight: 400.38299
• EINECS: 227-493-7
• Mol File: 5858-53-7.mol
• Article Data: 0

Chemical Properties

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Appearance: /
• Density: 1.42g/cm³
• Refractive Index: 1.698
• CAS DataBase Reference: sodium 5-hydroxy-6-(naphthylazo)naphthalenesulphonate(CAS DataBase Reference)
• NIST Chemistry Reference: sodium 5-hydroxy-6-(naphthylazo)naphthalenesulphonate(5858-53-7)
• EPA Substance Registry System: sodium 5-hydroxy-6-(naphthylazo)naphthalenesulphonate(5858-53-7)

Safety Data

• Hazardous Substances Data: 5858-53-7(Hazardous Substances Data)

Usage

Preparation

Naphthalen-1-amine diazo, and 5-Hydroxynaphthalene-1-sulfonic acid coupling.

Properties and Applications

red. Slightly soluble in water for orange red. The strong sulfuric acid for blue, red after diluted precipitation; In nitric acid solution for orange brown. Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater Fading Stain Fading Stain Fading Stain ISO 3 3 1-2 2 2 2-3

Standard

Light Fastness

Fading

Stain

ISO

3

InChI:InChI=1/C20H14N2O4S/c23-20-16-8-4-10-19(27(24,25)26)15(16)11-12-18(20)22-21-17-9-3-6-13-5-1-2-7-14(13)17/h1-12,21H,(H,24,25,26)/b22-18+