Description

4-Acetamido-2-aminobenzenesulfonic acid (CAS No. 88-64-2) is a high-purity sulfonic acid derivative with the molecular formula C₈H₁₀N₂O₄S. This compound is an essential intermediate in organic synthesis, particularly in the production of dyes, pharmaceuticals, and specialty chemicals. Its unique structure, featuring both acetamido and amino functional groups on a benzenesulfonic acid backbone, makes it a versatile building block for researchers. Our product is rigorously tested for purity, ensuring optimal performance in sensitive applications. Available in various quantities to suit laboratory and industrial needs, it is supplied with comprehensive analytical data (including HPLC, NMR, and MS) for quality assurance.

Properties

• CAS Number: 88-64-2
• Complexity: 335
• IUPAC Name: 4-acetamido-2-amino-benzenesulfonic acid
• InChI: InChI=1S/C8H10N2O4S/c1-5(11)10-6-2-3-8(7(9)4-6)15(12,13)14/h2-4H,9H2,1H3,(H,10,11)(H,12,13,14)
• InChI Key: FOINSAWEWXUXPQ-UHFFFAOYSA-N
• Exact Mass: 230.03612798
• Molecular Formula: C8H10N2O4S
• Molecular Weight: 230.24
• SMILES: CC(=O)NC1=CC(=C(C=C1)S(=O)(=O)O)N
• Topological: 118
• Monoisotopic Mass: 230.03612798
• Synonyms: 4-Acetamido-2-aminobenzenesulfonic acid, 88-64-2, 4-(Acetylamino)-2-aminobenzenesulfonic acid, 3-Aminoacetanilide-4-sulfonic acid, Benzenesulfonic acid, 4-(acetylamino)-2-amino-, 2-Amino 4-acetamidobenzenesulfonic acid, 5-Acetylaminoaniline-2-sulfonic acid, Benzenesulfonic acid, 4-acetamido-2-amino-, ACETANILIDE-4-SULFONIC ACID, 3-AMINO-, 4-Acetamido-2-aminobenzenesulphonic acid, QE27AMZ5ZC, EINECS 201-847-0, NSC 36986, BRN 3335986, NSC-36986, DTXSID6058974, 3-14-00-02203 (Beilstein Handbook Reference), 3-AMINOACETANILIDE-4-SULPHONIC ACID, ACETANILIDE-4-SULPHONIC ACID, 3-AMINO-, BENZENESULPHONIC ACID, 4-ACETAMIDO-2-AMINO-, BENZENESULPHONIC ACID, 4-(ACETYLAMINO)-2-AMINO-, DTXCID6048622, Benzenesulfonic acid, 4-acetamido-2-amino-(8CI), 2-amino-4-acetamidobenzene-1-sulfonic acid, 2-amino-4-acetamidobenzenesulfonic acid, MFCD00035752, UNII-QE27AMZ5ZC, WLN: WSQR BZ DMV1, 5-Azetylamino-2-sulfoanilin, 3′-Amino-4′-sulfoacetanilide, SCHEMBL1755227, SCHEMBL7894700, NSC36986, 3′-Aminoacetanilide-4′-sulfonic acid, AKOS015897403, CS-W014183, AC-13320, AS-64086, A1944, NS00039284, ST50825804, 3-acetylamino-1-aminobenzene-6-sulphonic acid, 4-(acetylamino)-2-amino-benzenesulfonic acid, D88488

Application

4-Acetamido-2-aminobenzenesulfonic acid is widely used as a key intermediate in the synthesis of azo dyes and pigments, contributing to vibrant colorants for textiles and inks. In pharmaceutical research, it serves as a precursor for sulfa drug derivatives and other bioactive molecules. Its sulfonic acid group also facilitates solubility enhancements in polar solvents, making it valuable in formulation studies.

Safety and Hazards

GHS Hazard Statements

• H315 (86.4%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (86.4%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (86.4%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

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

Hazard Classes and Categories

• Skin Irrit. 2 (86.4%)
• Eye Irrit. 2 (86.4%)
• STOT SE 3 (86.4%)

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