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Sodium 7-hydroxynaphthalene-1-sulphonate, also known as sodium 7-hydroxy-1-naphthalenesulfonate, is a chemical compound with the molecular formula C10H7NaO3S. It is a white crystalline solid that is soluble in water and is commonly used as a pH indicator. sodium 7-hydroxynaphthalene-1-sulphonate exhibits a color change from yellow to violet when the pH increases from acidic to basic conditions, making it a valuable tool in various analytical and educational applications. It is also used in the synthesis of dyes and other organic compounds. Due to its potential environmental impact, it is important to handle and dispose of sodium 7-hydroxynaphthalene-1-sulphonate with care, following proper safety guidelines.

832-85-9

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832-85-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 832-85-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 8,3 and 2 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 832-85:
(5*8)+(4*3)+(3*2)+(2*8)+(1*5)=79
79 % 10 = 9
So 832-85-9 is a valid CAS Registry Number.
InChI:InChI=1/C10H8O4S.Na/c11-8-5-4-7-2-1-3-10(9(7)6-8)15(12,13)14;/h1-6,11H,(H,12,13,14);/q;+1/p-1

832-85-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name .β.-Naphthol-8-sulfonic acid sodium salt

1.2 Other means of identification

Product number -
Other names sodium 7-hydroxynaphthalene-1-sulphonate

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:832-85-9 SDS

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