6535-42-8

Basic information

• Product Name: Solvent Red 3
• Synonyms: 4-[(4-ethoxyphenyl)azo]-1-naphthaleno;c.i.solventred3;CI 12010;FAT BROWN B;4-((4-ethoxyphenyl)azo)-1-naphthalenol;4-[(4-Ethoxyphenyl)azo]naphthol;SOLVENT RED 3;4-(4-ethoxyphenyl)azo-1-naphthol
• CAS NO: 6535-42-8
• Molecular Formula: C₁₈H₁₆N₂O₂
• Molecular Weight: 292.33
• EINECS: 229-439-8
• Product Categories: Organics;Solvent Dyestuff
• Mol File: 6535-42-8.mol
• Article Data: 0

Chemical Properties

• Boiling Point: 510.516 °C at 760 mmHg
• Flash Point: 262.458 °C
• Appearance: /
• Density: 1.173 g/cm³
• Vapor Pressure: 0mmHg at 25°C
• Refractive Index: 1.607
• Storage Temp.: room temp
• PKA: 8.39±0.40(Predicted)
• CAS DataBase Reference: Solvent Red 3(CAS DataBase Reference)
• NIST Chemistry Reference: Solvent Red 3(6535-42-8)
• EPA Substance Registry System: Solvent Red 3(6535-42-8)

Safety Data

• WGK Germany: 3
• Hazardous Substances Data: 6535-42-8(Hazardous Substances Data)

Usage

Uses

Fat Brown B is a stain/dye. Dyes and metabolites.

Preparation

4-Ethoxybenzenamine diazotization, and Naphthalen-1-ol coupling.

Properties and Applications

bordeaux. Dark yellow crystallization, melting point is 168 ℃. Soluble in ethanol, acetone and benzene. Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%) Melting point Stable ISO Poor-General 146-149 120 Insoluble General No change

Standard

Light Fastness

Melting point

Stable

InChI:InChI=1/C18H16N2O2/c1-2-22-14-9-7-13(8-10-14)19-20-17-11-12-18(21)16-6-4-3-5-15(16)17/h3-12,19H,2H2,1H3/b20-17+

Upstream product

• 156-43-4 4-Ethoxyaniline