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CI 37235, also known as Acid Red 51 or Solvent Red 23, is an azo dye that belongs to the xanthene class of chemicals. It is widely used in the coloration of various products, including cosmetics, textiles, and plastics. The chemical structure of CI 37235 consists of a benzene ring with two azo groups attached, which gives it its characteristic red color. It is soluble in water and organic solvents, making it a versatile dye for various applications. However, due to its potential health risks and environmental concerns, it is essential to handle and dispose of CI 37235 responsibly, following proper safety guidelines and regulations.

91-91-8

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91-91-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91-91-8 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 9 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 91-91:
(4*9)+(3*1)+(2*9)+(1*1)=58
58 % 10 = 8
So 91-91-8 is a valid CAS Registry Number.
InChI:InChI=1/C14H12N4O2.4ClH.H2O4S.2Zn/c1-19-13-7-9(3-5-11(13)17-15)10-4-6-12(18-16)14(8-10)20-2;;;;;1-5(2,3)4;;/h3-8H,1-2H3;4*1H;(H2,1,2,3,4);;/q+2;;;;;;2*+2/p-6/rC14H12N4O2.4ClH.O4SZn.Zn/c1-19-13-7-9(3-5-11(13)17-15)10-4-6-12(18-16)14(8-10)20-2;;;;;1-5(2)3-6-4-5;/h3-8H,1-2H3;4*1H;;/q+2;;;;;;+2/p-4

91-91-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name Azoic Diazo Component 48

1.2 Other means of identification

Product number -
Other names Tetrazotized-o-dianisidine chloride

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:91-91-8 SDS

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