Description

3-Amino-N-phenylbenzenesulfonamide (CAS No. 80-21-7) is a high-purity sulfonamide derivative with the molecular formula C₁₂H₁₂N₂O₂S. This compound features a benzenesulfonamide core substituted with an amino group at the meta position and a phenylamine moiety, making it a versatile intermediate in organic synthesis and pharmaceutical research. With a molecular weight of 248.30 g/mol, it is supplied as a crystalline solid with ≥98% purity (HPLC), ensuring consistent performance in critical applications. Ideal for researchers and scientists, this product is rigorously tested for impurities, moisture content, and stability to meet stringent laboratory standards. Store in a cool, dry place under inert conditions to maintain its integrity.

Properties

• CAS Number: 80-21-7
• Complexity: 331
• IUPAC Name: 3-amino-N-phenyl-benzenesulfonamide
• InChI: InChI=1S/C12H12N2O2S/c13-10-5-4-8-12(9-10)17(15,16)14-11-6-2-1-3-7-11/h1-9,14H,13H2
• InChI Key: SOZFVONLAQIHRF-UHFFFAOYSA-N
• Exact Mass: 248.06194880
• Molecular Formula: C12H12N2O2S
• Molecular Weight: 248.30
• SMILES: C1=CC=C(C=C1)NS(=O)(=O)C2=CC=CC(=C2)N
• Topological: 80.6
• Monoisotopic Mass: 248.06194880
• Solubility: >37.2 [ug/mL]
• Synonyms: 3-amino-N-phenylbenzenesulfonamide, Metanilanilide, Benzenesulfonamide, 3-amino-N-phenyl-, m-Aminobenzenesulphonanilide, Benzenesulfonanilide, 3-amino-, NSC 4989, EINECS 201-259-4, DTXSID7058830, Metanilanilide (8CI), DTXCID7048160, 201-259-4, 80-21-7, 3-Aminobenzenesulfonanilide, 3-amino-N-phenylbenzene-1-sulfonamide, MFCD00035928, TB92UA8FRX, NSC-4989, [(3-aminophenyl)sulfonyl]phenylamine, 3-Amino-N-phenyl-benzenesulfonamide, UNII-TB92UA8FRX, m-Aminobenzenesufhonanilide, MLS000703707, SCHEMBL3973555, SCHEMBL9811664, CHEMBL1447534, SCHEMBL28770134, NSC4989, ALBB-025720, BBL003796, SBB072655, STK522202, AKOS000143468, DS-0496, NCGC00245017-01, AC-11897, SMR000274072, SY112648, DB-014243, CS-0207123, NS00038066, ST45028821, EN300-39177, SR-01000326064, SR-01000326064-1, Z239126054

3-Amino-N-phenylbenzenesulfonamide serves as a key intermediate in the synthesis of sulfa drugs, dyes, and agrochemicals. Its reactive amino and sulfonamide groups enable facile functionalization for medicinal chemistry applications. Researchers utilize this compound in heterocyclic synthesis and as a building block for antimicrobial or anti-inflammatory agents. It is also employed in material science for polymer modification and ligand design.

Safety and Hazards

GHS Hazard Statements

• H302 (50%): Harmful if swallowed [Warning Acute toxicity, oral]
• H315 (50%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (50%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (50%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (50%)
• Skin Irrit. 2 (50%)
• Eye Irrit. 2A (50%)
• STOT SE 3 (50%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.