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Benzene sulfonic acid 2-(p-acetamidoanilino)-5-a, also known as sulfanilic acid, is an organic compound with the chemical formula C6H7NO4S. It is a white crystalline solid that is soluble in water and has a melting point of 188-190°C. BENZENE SULFONIC ACID 2-(P-ACETAMIDOANILINO)-5-A is an important intermediate in the synthesis of various pharmaceuticals, dyes, and other chemical products. It is derived from the reaction of aniline with chlorosulfonic acid, followed by acetylation and subsequent hydrolysis. Due to its versatile chemical properties, it is widely used in the production of sulfonamide antibiotics, azo dyes, and other industrial applications.

6471-33-6

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Basic information
1. Product Name: BENZENE SULFONIC ACID 2-(P-ACETAMIDOANILINO)-5-A
2. Synonyms: BENZENE SULFONIC ACID 2-(P-ACETAMIDOANILINO)-5-A
3. CAS NO:6471-33-6
4. Molecular Formula: C14H15 N3 O4 S
5. Molecular Weight: 321.35
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 465.5°C at 760 mmHg
3. Flash Point: 183.1°C
4. Appearance: /
5. Density: 1.406g/cm³
6. Vapor Pressure: 7.66E-09mmHg at 25°C
7. Refractive Index: 1.613
8. Storage Temp.: N/A
9. Solubility: N/A
10. CAS DataBase Reference: BENZENE SULFONIC ACID 2-(P-ACETAMIDOANILINO)-5-A(CAS DataBase Reference)
11. NIST Chemistry Reference: BENZENE SULFONIC ACID 2-(P-ACETAMIDOANILINO)-5-A(6471-33-6)
12. EPA Substance Registry System: BENZENE SULFONIC ACID 2-(P-ACETAMIDOANILINO)-5-A(6471-33-6)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 6471-33-6(Hazardous Substances Data)

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6471-33-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6471-33-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,7 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 6471-33:
(6*6)+(5*4)+(4*7)+(3*1)+(2*3)+(1*3)=96
96 % 10 = 6
So 6471-33-6 is a valid CAS Registry Number.

InChI:InChI=1/C15H11Cl3O3/c1-20-14-5-9(7-19)4-13(18)15(14)21-8-10-2-3-11(16)6-12(10)17/h2-7H,8H2,1H3

6471-33-6SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name	2-(4-acetylamino-anilino)-5-amino-benzenesulfonic acid

1.2 Other means of identification

Product number	-
Other names	2-(4-Acetylamino-anilino)-5-amino-benzolsulfonsaeure

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:6471-33-6 SDS

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