1633506

Sulfanilic acid

United States Pharmacopeia (USP) Reference Standard

• Synonym(s): 4-Aminobenzenesulfonic acid, Aniline-4-sulfonic acid
• Linear Formula: 4-(H₂N)C₆H₄SO₃H
• CAS Number: 121-57-3
• Molecular Weight: 173.19
• Beilstein: 908765
• MDL number: MFCD00007886
• UNSPSC Code: 41116107
• PubChem Substance ID: 329751190
• NACRES: NA.24

Properties

• grade: pharmaceutical primary standard
• API family: mesalazine, sulfadimethoxine, sulfadiazine
• manufacturer/tradename: USP
• mp: >300 °C (lit.)
• solubility: water: soluble 12.51 g/L at 20 °C
• density: 1.4862 g/cm³ at 20 °C (OECD Test Guideline 109)
• application(s): pharmaceutical (small molecule)
• format: neat
• SMILES string: Nc1ccc(cc1)S(O)(=O)=O
• InChI: 1S/C6H7NO3S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4H,7H2,(H,8,9,10)
• InChI key: HVBSAKJJOYLTQU-UHFFFAOYSA-N

Description

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Sulfanilic acid USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:

• Silver Sulfadiazine
• Sulfamethoxazole
• Sulfamethoxazole and Trimethoprim Injection

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H315,H317,H319
• Precautionary Statements: P261 - P264 - P272 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1
• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable