6441-98-1

Basic information

• Product Name: Mordant Orange 37
• Synonyms: sodium 3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-4-hydroxybenzenesulphonate;Acid mordant Orange 37;Mordant orange 37 (C.I. 18730);C.I. 18730;Mordant Orange 37;Sodium 3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-4-hydroxybenzenesulfonate
• CAS NO: 6441-98-1
• Molecular Formula: C16H13N4NaO5S
• Molecular Weight: 396.35299
• EINECS: 229-234-3
• Mol File: 6441-98-1.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• CAS DataBase Reference: Mordant Orange 37(CAS DataBase Reference)
• NIST Chemistry Reference: Mordant Orange 37(6441-98-1)
• EPA Substance Registry System: Mordant Orange 37(6441-98-1)

Safety Data

• Hazardous Substances Data: 6441-98-1(Hazardous Substances Data)

Usage

Description

Mordant Orange 37 is a dark red to light orange dye that is soluble in water and ethanol. It exhibits unique color changes when exposed to concentrated sulfuric acid, hydrochloric acid, and sodium hydroxide, making it suitable for various applications.

Uses

Used in Textile Industry:
Mordant Orange 37 is used as a dye for wool fabric dyeing, providing a vibrant color and excellent fastness properties.
Used in Wool Fabric Dyeing:
Mordant Orange 37 is used as a dye for wool fabrics, offering good ironing fastness, light fastness, fulling, perspiration fastness, and soaping fastness. Its color properties and fastness ratings make it suitable for various textile applications.
Standard:
The fastness properties of Mordant Orange 37 are rated according to ISO standards, with ratings ranging from 3 to 7, indicating its performance in different areas such as ironing, light, fulling, perspiration, and soaping.

Preparation

3-Amino-4-hydroxybenzenesulfonic acid diazotization, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling.

Standard

Ironing Fastness

Alkali

Acid

ISO

3

InChI:InChI=1/C16H14N4O5S.Na/c1-10-15(16(22)20(19-10)11-5-3-2-4-6-11)18-17-13-9-12(26(23,24)25)7-8-14(13)21;/h2-9,15,18H,1H3,(H,23,24,25);/q;+1/p-1/b17-13+;