8003-88-1

Basic information

• Product Name: ACID ORANGE 51
• Synonyms: 2-Naphthalenesulfonic acid, 5(or 8)-3-methyl-4-(4-methylphenyl)sulfonyloxyphenylazo-8(or 5)-4-(4-nitro-2-sulfophenyl)aminophenylazo-, disodium salt;Acid Orang 51;Acid Red Brown 5K;Baygenal Red Brown LNZR;Nylomine Acid Brown C-R;Telon Fast Copper Red RL;disodium 5(or 8)-(3-methyl-4-(4-methylphenylsulphonyloxy)phenylazo)-8(or 5)-4-(4-nitro-2;Benzenesulfonic acid, 5(or 8)-(2-(3-methyl-4-(((4-methylphenyl)sulfonyl)oxy)phenyl)diazenyl)-8(or 5)-(2-(4-((4-nitro-2-sulfophenyl)amino)phenyl)diazenyl)-, sodium salt (1:2)
• CAS NO: 8003-88-1
• Molecular Formula: C36H26N6Na2O11S3
• Molecular Weight: 860.8
• EINECS: 232-328-7
• Product Categories: Organics
• Mol File: 8003-88-1.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• CAS DataBase Reference: ACID ORANGE 51(CAS DataBase Reference)
• NIST Chemistry Reference: ACID ORANGE 51(8003-88-1)
• EPA Substance Registry System: ACID ORANGE 51(8003-88-1)

Safety Data

• Hazardous Substances Data: 8003-88-1(Hazardous Substances Data)

Usage

Preparation

2-(4-Aminophenylamino)-5-nitrobenzenesulfonic acid diazotization and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, and its product and diazotization, coupling with o-Cresol, 4-Methylbenzene-1-sulfonyl chloride?and then esterified

Properties and Applications

red light orange. Dark red light orange powder. Soluble in water, ethanol, glycol ether. The strong sulfuric acid dyes for deep blue light green, dilute precipitation after brown; In nitric acid solution for olive, then into amber color. Its water solution for brown, add after strong hydrochloric acid for blu-ray black, with precipitation; Add thick sodium hydroxide solution colour and lustre is unchanged. This product used for wool, silk, polyamide fiber dyeing, also used in wool blended fabric or viscose fabric printing directly. Can also be used in leather, soap color. Dyed hair and scattered over the tops of often used alone. Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater Fading Stain Fading Stain Fading Stain ISO 6 4-5 4-5 5 4 4-5 4-5 5 AATCC 4 3 3 4 4 4 4-5 4-5

Standard

Light Fastness

Fading

Stain

ISO

6

AATCC

4

InChI:InChI=1/C36H28N6O11S3.2Na/c1-22-3-11-28(12-4-22)56(51,52)53-35-18-9-26(19-23(35)2)39-41-33-17-16-32(30-14-13-29(21-31(30)33)54(45,46)47)40-38-25-7-5-24(6-8-25)37-34-15-10-27(42(43)44)20-36(34)55(48,49)50;;/h3-21,37H,1-2H3,(H,45,46,47)(H,48,49,50);;/q;2*+1/p-2/b40-38+,41-39+;;