50497-83-1

Basic information

• Product Name: hydrogen bis[1-[(2-hydroxy-5-nitrophenyl)azo]-2-naphtholato(2-)]chromate(1-)
• Synonyms: hydrogen bis[1-[(2-hydroxy-5-nitrophenyl)azo]-2-naphtholato(2-)]chromate(1-);bis[1-[(2-hydroxy-5-nitrophenyl)azo]-2-naphthalenolato(2-)]-chromate(1- hyd;Chromate(1-), bis[1-[(2-hydroxy-5-nitrophenyl)azo]-2-naphthalenolato (2-)]-, hydrogen
• CAS NO: 50497-83-1
• Molecular Formula: C32H19CrN6O8
• Molecular Weight: 667.52476
• EINECS: 256-606-2
• Mol File: 50497-83-1.mol
• Article Data: 0

Chemical Properties

• Boiling Point: 542.2°C at 760 mmHg
• Flash Point: 281.7°C
• Appearance: /
• Vapor Pressure: 1.38E-12mmHg at 25°C
• CAS DataBase Reference: hydrogen bis[1-[(2-hydroxy-5-nitrophenyl)azo]-2-naphtholato(2-)]chromate(1-)(CAS DataBase Reference)
• NIST Chemistry Reference: hydrogen bis[1-[(2-hydroxy-5-nitrophenyl)azo]-2-naphtholato(2-)]chromate(1-)(50497-83-1)
• EPA Substance Registry System: hydrogen bis[1-[(2-hydroxy-5-nitrophenyl)azo]-2-naphtholato(2-)]chromate(1-)(50497-83-1)

Safety Data

• Hazardous Substances Data: 50497-83-1(Hazardous Substances Data)

Usage

Description

Hydrogen bis[1-[(2-hydroxy-5-nitrophenyl)azo]-2-naphtholato(2-)]chromate(1-) is a complex organic compound with a unique chemical structure. It is characterized by its red light brown color and has various properties that make it suitable for different applications.

Uses

Used in Textile Industry:
Hydrogen bis[1-[(2-hydroxy-5-nitrophenyl)azo]-2-naphtholato(2-)]chromate(1-) is used as a dye for the textile industry. Its light fastness rating of 5-6 on the AATCC scale indicates that it is resistant to fading when exposed to light, making it suitable for use in fabrics that are frequently exposed to sunlight or artificial light sources.
Used in Laundry and Cleaning Products:
hydrogen bis[1-[(2-hydroxy-5-nitrophenyl)azo]-2-naphtholato(2-)]chromate(1-) is also used as a stain remover in laundry and cleaning products. Its soaping fastness rating of 3-4 suggests that it can effectively remove stains from fabrics during the washing process without causing significant fading.
Used in Bleaching Agents:
Hydrogen bis[1-[(2-hydroxy-5-nitrophenyl)azo]-2-naphtholato(2-)]chromate(1-) is used as an additive in oxygen bleaching products. Its oxygen bleaching fastness rating of 5 indicates that it can effectively remove stains and discoloration from fabrics without causing damage to the fabric.
Used in Marine Applications:
hydrogen bis[1-[(2-hydroxy-5-nitrophenyl)azo]-2-naphtholato(2-)]chromate(1-) is also used in marine applications, such as in the treatment of fabrics and materials that come into contact with seawater. Its fastness to seawater rating of 4-5 suggests that it can withstand exposure to saltwater without causing significant fading or staining.

Preparation

2-Amino-4-nitrophenol diazo, and Naphthalen-2-ol coupling, and then into chromium complex.

Standard

Light Fastness

Fading

Stain

AATCC

5-6

InChI:InChI=1/C16H11N3O4.C16H9N3O4.Cr/c2*20-14-8-6-11(19(22)23)9-13(14)17-18-16-12-4-2-1-3-10(12)5-7-15(16)21;/h1-9H,(H2,17,18,20,21);1-9H;/q;-2;+3/p-1