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3-Isothiocyanatobenzenesulfonic acid sodium salt is a chemical compound with the molecular formula C7H5NOS2Na. It is a derivative of benzenesulfonic acid, where a sodium atom replaces the hydrogen atom in the sulfonic acid group, and an isothiocyanate group replaces one of the hydrogen atoms on the benzene ring. 3-Isothiocyanatobenzenesulfonic acid sodium salt is an important intermediate in the synthesis of various dyes, pharmaceuticals, and agrochemicals due to its reactive isothiocyanate group, which can readily undergo nucleophilic substitution reactions. It is typically used in the preparation of sulfonamide drugs and azo dyes, and is also employed as a reagent in organic synthesis. The compound is usually obtained through the reaction of 3-aminobenzenesulfonic acid with phosgene or a similar reagent to form the corresponding isocyanate, which is then converted to the isothiocyanate by treatment with a thiol.

3529-77-9

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3529-77-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3529-77-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,5,2 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 3529-77:
(6*3)+(5*5)+(4*2)+(3*9)+(2*7)+(1*7)=99
99 % 10 = 9
So 3529-77-9 is a valid CAS Registry Number.

3529-77-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name sodium 3-isothiocyanatobenzene-1-sulphonate

1.2 Other means of identification

Product number -
Other names 3-Sulfophenyl isothiocyanate

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:3529-77-9 SDS

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