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2-[(2-hydroxy-1-naphthyl)azo]-5-methylbenzenesulphonic acid, also known as Naphthol AS-MX, is a water-soluble yellowish-orange powder that serves as a dye intermediate in the textile industry. It is produced by reacting 2-naphthol with a diazonium salt of 5-methylbenzenesulfonic acid and is known for its strong affinity to various textiles.
Used in Textile Industry:
2-[(2-hydroxy-1-naphthyl)azo]-5-methylbenzenesulphonic acid is used as a dye intermediate for dyeing cotton, silk, wool, and nylon due to its strong affinity to these textiles.
Used in Pigment Production:
2-[(2-hydroxy-1-naphthyl)azo]-5-methylbenzenesulphonic acid is used as a component in the production of pigments, contributing to the coloration of various materials.
Used in Paint Industry:
2-[(2-hydroxy-1-naphthyl)azo]-5-methylbenzenesulphonic acid is used as a pigment in the paint industry, providing color and enhancing the visual appeal of painted surfaces.
Used in Printing Ink Industry:
2-[(2-hydroxy-1-naphthyl)azo]-5-methylbenzenesulphonic acid is used in the formulation of printing inks, ensuring vibrant colors and consistent print quality.
It is important to handle 2-[(2-hydroxy-1-naphthyl)azo]-5-methylbenzenesulphonic acid with caution, as it may pose health and environmental risks if not managed properly.

37498-62-7

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37498-62-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 37498-62-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,4,9 and 8 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 37498-62:
(7*3)+(6*7)+(5*4)+(4*9)+(3*8)+(2*6)+(1*2)=157
157 % 10 = 7
So 37498-62-7 is a valid CAS Registry Number.
InChI:InChI=1/C17H14N2O4S/c1-11-6-8-14(16(10-11)24(21,22)23)18-19-17-13-5-3-2-4-12(13)7-9-15(17)20/h2-10,18H,1H3,(H,21,22,23)/b19-17-

37498-62-7SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 5-methyl-2-[(2Z)-2-(2-oxonaphthalen-1-ylidene)hydrazinyl]benzenesulfonic acid

1.2 Other means of identification

Product number -
Other names 2-((2-Hydroxy-1-naphthyl)azo)-5-methylbenzenesulphonic acid

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:37498-62-7 SDS

37498-62-7Upstream product

37498-62-7Downstream Products

37498-62-7Relevant academic research and scientific papers

P.R. 254 pigment preparation for use in color filters

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Page/Page column 20, (2011/04/13)

The invention provides a pigment preparation comprising (a) C.I. Pigment Red 254 with an average particle size d50 of not more than 100 nm;(b) 0.1% to 30% by weight, based on the weight of the PR 254, of one or more dispersants from the group of the unlaked sulfo-containing monoazo dyes; and(c) 0.1% to 30% by weight, based on the weight of the PR 254, of a basic pigment dispersant of the formula (V)

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