75214-56-1

Basic information

• Product Name: disodium [1-[(5-chloro-2-hydroxyphenyl)azo]-2-naphtholato(2-)][3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]naphthalene-1-sulphonato(3-)]chromate(2-)
• Synonyms: disodium [1-[(5-chloro-2-hydroxyphenyl)azo]-2-naphtholato(2-)][3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]naphthalene-1-sulphonato(3-)]chromate(2-);Acid Blue 335;Chromate(2-), 1-5-chloro-2-(hydroxy-.kappa.O)phenylazo-.kappa.N1-2-naphthalenolato(2-)-.kappa.O3-(hydroxy-.kappa.O)-4-2-(hydroxy-.kappa.O)-1-naphthalenylazo-.kappa.N1-1-naphthalenesulfonato(3-)-, disodium;Chromate, [1-[(5-chloro-2-hydroxyphenyl)azo]-2-naphthalenolato][3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-1-naphthalenesulfonato]-, disodium;Chromate,[1-[(5-chloro-2-hydroxyphenyl)azo]-2-naphthalenolato][3-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-1-naphthalenesulfonato]-,disodium;Chromate(2-), [1-[(5-chloro-2-hydroxyphenyl) azo]-2-naphthalenolato(2-)][3-hydroxy-4-[(2-hydroxy -1-naphthalenyl)azo]-1-naphthalenesulfonat o(3-)]-, disodium
• CAS NO: 75214-56-1
• Molecular Formula: C36H20ClCrN4O7S.2Na
• Molecular Weight: 786.07
• EINECS: 278-126-2
• Product Categories: Organometallics;acid dyes
• Mol File: 75214-56-1.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• CAS DataBase Reference: disodium [1-[(5-chloro-2-hydroxyphenyl)azo]-2-naphtholato(2-)][3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]naphthalene-1-sulphonato(3-)]chromate(2-)(CAS DataBase Reference)
• NIST Chemistry Reference: disodium [1-[(5-chloro-2-hydroxyphenyl)azo]-2-naphtholato(2-)][3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]naphthalene-1-sulphonato(3-)]chromate(2-)(75214-56-1)
• EPA Substance Registry System: disodium [1-[(5-chloro-2-hydroxyphenyl)azo]-2-naphtholato(2-)][3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]naphthalene-1-sulphonato(3-)]chromate(2-)(75214-56-1)

Safety Data

• Hazardous Substances Data: 75214-56-1(Hazardous Substances Data)

Usage

Description

Disodium [1-[(5-chloro-2-hydroxyphenyl)azo]-2-naphtholato(2-)][3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]naphthalene-1-sulphonato(3-)]chromate(2-) is a complex organic compound with a unique chemical structure. It is characterized by its navy blue color and is primarily used as a dye in various industries.

Uses

Used in Textile Industry:
Disodium [1-[(5-chloro-2-hydroxyphenyl)azo]-2-naphtholato(2-)][3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]naphthalene-1-sulphonato(3-)]chromate(2-) is used as a dye for wool and polyamide materials. It provides excellent light fastness, soaping, perspiration fastness, and resistance to oxygen bleaching, making it a suitable choice for染色 (dyeing) and coloration of textiles.
Used in Leather Industry:
In addition to its application in the textile industry, disodium [1-[(5-chloro-2-hydroxyphenyl)azo]-2-naphtholato(2-)][3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]naphthalene-1-sulphonato(3-)]chromate(2-) is also used for leather coloration. Its ability to resist fading and staining makes it an ideal choice for enhancing the appearance and durability of leather products.
Standard (Polyamide):
disodium [1-[(5-chloro-2-hydroxyphenyl)azo]-2-naphtholato(2-)][3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]naphthalene-1-sulphonato(3-)]chromate(2-) adheres to the ISO 8 standard for light fastness, with a rating of 2-3. This indicates that it maintains its color well under various lighting conditions, making it a reliable choice for long-lasting color in both textile and leather applications.

Standard(Polyamide)

Light Fastness

Fading

Stain