6245-59-6

Basic information

• Product Name: sodium 3-[[4-(benzoylethylamino)-2-methylphenyl]azo]-4-hydroxynaphthalene-1-sulphonate
• Synonyms: 1-Naphthalenesulfonic acid, 3-4-(benzoylethylamino)-2-methylphenylazo-4-hydroxy-, monosodium salt;Acid red 6 (C.I. 14680);C.I. Acid Red 6;Acid Brilliant Red E-B;Aminyl Brilliant Red E-B;Naphthazine Red B;Suminol Fast Red B;Supramin Red B.
• CAS NO: 6245-59-6
• Molecular Formula: C26H22N3NaO5S
• Molecular Weight: 511.52475
• EINECS: 228-358-5
• Product Categories: Organics
• Mol File: 6245-59-6.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• CAS DataBase Reference: sodium 3-[[4-(benzoylethylamino)-2-methylphenyl]azo]-4-hydroxynaphthalene-1-sulphonate(CAS DataBase Reference)
• NIST Chemistry Reference: sodium 3-[[4-(benzoylethylamino)-2-methylphenyl]azo]-4-hydroxynaphthalene-1-sulphonate(6245-59-6)
• EPA Substance Registry System: sodium 3-[[4-(benzoylethylamino)-2-methylphenyl]azo]-4-hydroxynaphthalene-1-sulphonate(6245-59-6)

Safety Data

• Hazardous Substances Data: 6245-59-6(Hazardous Substances Data)

Usage

Description

Sodium 3-[[4-(benzoylethylamino)-2-methylphenyl]azo]-4-hydroxynaphthalene-1-sulphonate is an organic compound that exhibits unique color-changing properties in response to different stimuli. It is characterized by its red light yellow and yellow light red powder forms, and its solubility in water and ethanol results in vibrant red and cherry red colors, respectively. sodium 3-[[4-(benzoylethylamino)-2-methylphenyl]azo]-4-hydroxynaphthalene-1-sulphonate is sensitive to the presence of copper and iron ions, which cause a darker color shade.

Uses

Used in Textile Industry:
Sodium 3-[[4-(benzoylethylamino)-2-methylphenyl]azo]-4-hydroxynaphthalene-1-sulphonate is used as a dye for wool, silk, and their blended fabrics. Its color-changing properties make it suitable for dyeing and printing on these materials, providing a wide range of color options and enhancing the aesthetic appeal of the textiles.
Used in Dye Production:
sodium 3-[[4-(benzoylethylamino)-2-methylphenyl]azo]-4-hydroxynaphthalene-1-sulphonate is used as a key ingredient in the production of dyes, particularly for textiles. Its unique properties allow for the creation of dyes with high light fastness, soaping, perspiration fastness, and resistance to oxygen bleaching and seawater. These characteristics make the dyes suitable for various applications in the textile industry, ensuring color durability and resistance to environmental factors.
Standard:
The dye properties of sodium 3-[[4-(benzoylethylamino)-2-methylphenyl]azo]-4-hydroxynaphthalene-1-sulphonate meet the following ISO standards:
Light Fastness: 4
Soaping: 3
Perspiration Fastness: 3
Oxygen Bleaching: 2-3
Fastness to Seawater: 3
These standards indicate the dye's performance and durability in various conditions, making it a reliable choice for textile applications.

Preparation

3′-Methyl-4′-amino-N-ethylbenzanilide diazo, coupled with the 4-Hydroxynaphthalene-1-sulfonic acid.

Standard

Light Fastness

Fading

Stain

ISO

4

InChI:InChI=1/C26H23N3O5S.Na/c1-16-14-19(27-17(2)25(30)18-8-4-3-5-9-18)12-13-22(16)28-29-23-15-24(35(32,33)34)20-10-6-7-11-21(20)26(23)31;/h3-15,17,27-28H,1-2H3,(H,32,33,34);/q;+1/p-1/b29-23+;