Description

4-Amino-3-nitrobenzenesulfonic acid (CAS No. 616-84-2) is a high-purity sulfonic acid derivative with the molecular formula C₆H₆N₂O₅S, widely utilized in organic synthesis and industrial applications. This compound features a benzene ring substituted with an amino group (–NH₂), a nitro group (–NO₂), and a sulfonic acid group (–SO₃H), offering versatile reactivity for electrophilic substitution and coupling reactions. Its crystalline form ensures consistent performance in dye synthesis, pharmaceutical intermediates, and corrosion inhibitors. Ideal for researchers and chemists, our product is rigorously tested for purity (>98%) and stability, packaged under controlled conditions to ensure optimal shelf life. Available in customizable quantities with detailed technical documentation, including MSDS and NMR spectra.

Properties

• CAS Number: 616-84-2
• Complexity: 316
• IUPAC Name: 4-amino-3-nitro-benzenesulfonic acid
• InChI: InChI=1S/C6H6N2O5S/c7-5-2-1-4(14(11,12)13)3-6(5)8(9)10/h1-3H,7H2,(H,11,12,13)
• InChI Key: VZLLZDZTQPBHAZ-UHFFFAOYSA-N
• Exact Mass: 217.99974247
• Molecular Formula: C6H6N2O5S
• Molecular Weight: 218.19
• SMILES: C1=CC(=C(C=C1S(=O)(=O)O)[N+](=O)[O-])N
• Topological: 135
• Monoisotopic Mass: 217.99974247
• Synonyms: 2-Nitroaniline-4-sulfonic acid, 616-84-2, 4-Amino-3-nitrobenzenesulfonic acid, Benzenesulfonic acid, 4-amino-3-nitro-, o-Nitroaniline-p-sulfonic acid, NSC 51813, EINECS 210-495-7, NSC 39866, DTXSID3060669, DTXCID7043087, vzllzdztqpbhaz-uhfffaoysa-n, 4-Amino-3-nitrobenzene-1-sulfonic acid, Sulfanilic acid, 3-nitro-, 4-Amino-3-nitrobenzenesulphonic acid, 3-Nitro-4-aminobenzenesulfonic acid, NSC638700, 4-amino-3-nitrobenzene-1-sulphonic acid, 4-amino-3-nitro-benzenesulfonic acid, MFCD00035961, SCHEMBL1131324, SCHEMBL2447568, 4-Amino-3-nitrobenzenesulfonicacid, NSC39866, NSC51813, NSC-39866, NSC-51813, SBB063617, 2-amino-nitrobenzene-5-sulfonic acid, AKOS015889699, NSC-638700, CS-0454291, NS00079430, E80407, 4-Amino-3-(hydroxy(oxido)amino)benzenesulfonic acid

Application

4-Amino-3-nitrobenzenesulfonic acid serves as a key intermediate in the synthesis of azo dyes, providing vibrant colorants for textiles and inks. Its sulfonic acid group enhances solubility in aqueous systems, making it valuable in electroplating baths and metal surface treatments. Researchers also employ it in pharmaceutical development for constructing nitro-aromatic scaffolds with bioactive potential. Additionally, it acts as a corrosion inhibitor in industrial formulations due to its chelating properties.

Safety and Hazards

GHS Hazard Statements

• Not Classified
• Reported as not meeting GHS hazard criteria by 3 of 3 companies. For more detailed information, please visit ECHA C&L website.

Hazard Classes and Categories

• Not Classified

If you are interested or have any questions, please contact us at support@atomfair.com

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