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Sulfanilic acid, ACS, 98.0-102.0%

Product Code. 11354298
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Product Code. 11354298 Supplier Thermo Scientific Alfa Aesar Supplier No. 041540.30
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Reagent for chromatographic detection of histidine | CAS: 121-57-3 | C6H7NO3S | 173.186 g/mol

Sulfanilic acid is used as a reagent for chromatographic detection of histidine. It is also used as a chemical intermediate in organic synthesis. It is utilized in quantitative analysis of nitrate and nitrite ions. It plays an essential role in the manufacturing of azo dyes and in synthesis of sulfa drugs. It is used as a dopant for the chemical synthesis of polyaniline. It is used to prepare 2,4-diamino-6-p-sulphoanilinopyrimidine by reacting with 6-chloro-pyrimidine-2,4-diamine.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 121-57-3
Molecular Formula C6H7NO3S
Molecular Weight (g/mol) 173.186
MDL Number MFCD00007886
InChI Key HVBSAKJJOYLTQU-UHFFFAOYSA-N
Synonym sulfanilic acid, sulphanilic acid, p-aminobenzenesulfonic acid, sulfanilsaeure, aniline-4-sulfonic acid, benzenesulfonic acid, 4-amino, aniline-p-sulfonic acid, aniline-p-sulphonic acid, p-aminophenylsulfonic acid, sulfanilicacid
PubChem CID 8479
ChEBI CHEBI:27500
IUPAC Name 4-aminobenzenesulfonic acid
SMILES C1=CC(=CC=C1N)S(=O)(=O)O

Specifications

Melting Point ∼365°C
Quantity 250 g
Beilstein 908765
Merck Index 14,8926
Solubility Information Slightly soluble in water. Insoluble in ethanol,ether,caustic soda and sodium carbonate.
Formula Weight 173.19
Percent Purity 98.0 to 102.0%
Grade ACS
Physical Form Powder
Chemical Name or Material Sulfanilic acid

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