3058-98-8

Basic information

• Product Name: sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate
• Synonyms: sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate;1-Naphthalenesulfonic acid, 4-hydroxy-3-4-methyl-3-(phenylamino)sulfonylphenylazo-, monosodium salt;Sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-toyl]azo] aphthalenesulphonate;Acid orange 19 (C.I. 14690);Acid Fast Red W2G;Aminyl Red E-2G;C.I.Acid Orange 19;Egacid Red GG
• CAS NO: 3058-98-8
• Molecular Formula: C23H18N3NaO6S2
• Molecular Weight: 519.52529
• EINECS: 221-298-0
• Product Categories: Organics
• Mol File: 3058-98-8.mol
• Article Data: 0

Chemical Properties

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• Appearance: /
• Density: g/cm³
• CAS DataBase Reference: sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate(CAS DataBase Reference)
• NIST Chemistry Reference: sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate(3058-98-8)
• EPA Substance Registry System: sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate(3058-98-8)

Safety Data

• Hazardous Substances Data: 3058-98-8(Hazardous Substances Data)

Usage

Description

Sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate is an organic compound with a red light orange color. It is soluble in water for a palm orange shade, slightly soluble in ethanol and acetone, and insoluble in other organic solvents. sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate exhibits color changes when interacting with strong acids and bases, as well as in the presence of copper and iron ions.

Uses

Used in Textile Industry:
Sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate is used as a dye for wool, silk, polyamide fiber, and their blended fabrics. It is also used for leather coloring due to its ability to produce a range of shades and its compatibility with various materials.
Standard:
sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate has been tested for various standards, including light fastness, soaping, perspiration fastness, oxygen bleaching, and fastness to seawater. The results are as follows:
Light Fastness: ISO 4-5, AATCC 4
Soaping: ISO 3, AATCC 2
Perspiration Fastness: ISO 2, AATCC 2
Oxygen Bleaching: ISO 3, AATCC 2-3
Fastness to Seawater: ISO 1, AATCC 1
These standards indicate the performance and durability of the dye under different conditions, making it suitable for various applications in the textile and leather industries.

Preparation

5-Amino-2-methyl-N-phenylbenzenesulfonamide?diazo, coupled with the 4-Hydroxynaphthalene-1-sulfonic acid.

Standard

Light Fastness

Fading

Stain

ISO

4-5

AATCC

4

InChI:InChI=1/C23H19N3O6S2.Na/c1-15-11-12-17(13-21(15)33(28,29)26-16-7-3-2-4-8-16)24-25-20-14-22(34(30,31)32)18-9-5-6-10-19(18)23(20)27;/h2-14,26-27H,1H3,(H,30,31,32);/q;+1/p-1