Sulfanilic acid, 98+%

Description

Reagent for the detection of histidine. Intermediate for dyes and pharmaceuticals | CAS: 121-57-3 | C6H7NO3S | 173.186 g/mol

Reagent for the detection of histidine; intermediate for dyes and pharmaceuticalsSulfanilic 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.

Applications
Reagent for the detection of histidine; intermediate for dyes and pharmaceuticalsSulfanilic 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.

Solubility
Slightly soluble in water. Insoluble in ethanol, ether, caustic soda and sodium carbonate.

Notes
Incompatible with strong oxidizing agents, strong acids and strong bases.

Specifications

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

• Melting Point: ∽365°C
• Density: 1.485
• Assay Percent Range: 98%
• 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%
• Chemical Name or Material: Sulfanilic Acid

Safety and Handling

Hazard Category	H315-H317-H319
Hazard Statement	GHS H Statement H315-H319-H317
Precautionary Statement	P261-P264b-P272-P280-P302+P352-P305+P351+P338-P333+P313-P362-P501c
EINECSNumber	204-482-5
RTECSNumber	WP3895500
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only