PHR1419

Sulfanilic Acid

Pharmaceutical Secondary Standard; Certified Reference Material

• Synonym(s): Sulfanilic acid, 4-Aminobenzenesulfonic acid, Aniline-4-sulfonic acid
• Linear Formula: 4-(H₂N)C₆H₄SO₃H
• CAS Number: 121-57-3
• Molecular Weight: 173.19
• Beilstein/REAXYS Number: 908765
• EC Number: 204-482-5
• MDL number: MFCD00007886
• UNSPSC Code: 41116107
• PubChem Substance ID: 329823389
• NACRES: NA.24

Properties

• grade: certified reference material; pharmaceutical secondary standard
• Quality Level: 300
• agency: traceable to USP 1633506
• API family: sulfadimethoxine, sulfadiazine, mesalazine
• CofA: current certificate can be downloaded
• technique(s): HPLC: suitable; gas chromatography (GC): suitable
• mp: >300 °C (lit.)
• application(s): pharmaceutical (small molecule)
• format: neat
• storage temp.: 2-30°C
• 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

Sulfanilic Acid is a synthetic organic compound, obtained via sulfonation of aniline with sulfuric acid. It is widely used for the production of optical brightening agents, synthetic organic dyes, food colorants and additives.

Application

These Secondary Standards are qualified as Certified Reference Materials. These are suitable for use in several analytical applications including but not limited to pharma release testing, pharma method development for qualitative and quantitative analyses, food and beverage quality control testing, and other calibration requirements.

Footnote

To see an example of a Certificate of Analysis for this material enter LRAC3847 in the slot below. This is an example certificate only and may not be the lot that you receive.

Recommended products

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Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H317,H319
• pcodes: P261 - P264 - P272 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1
• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable