Description

2-Amino-5-Nitrobenzenesulfinic Acid is a specialized aromatic sulfinic acid derivative that serves as a key synthetic intermediate. Its value lies in its bifunctional structure, featuring both a nucleophilic sulfinic acid group and an electrophilic nitro group, enabling its use in the construction of complex heterocyclic and dye molecules. This compound is primarily sought by manufacturers in the pharmaceutical, agrochemical, and specialty dye industries for research and production-scale synthesis.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing sulfonamide or other sulfur-based functional groups.
• Agrochemical Synthesis: Serves as a building block for creating herbicides, fungicides, and other crop protection agents.
• Dye and Pigment Manufacturing: A crucial precursor in the production of azo dyes and other complex colorants.
• Organic Synthesis Reagent: Employed in research laboratories for constructing sulfone-containing compounds and in various coupling reactions.
• Polymer Additive Precursor: Can be used to develop specialty monomers or additives that impart specific properties to polymers.

Basic Information

Product Name	2-Amino-5-Nitrobenzenesulfinic Acid
CAS No.	14688-12-1
Molecular Formula	C6H6N2O4S
Molecular Weight	202.19 g/mol
Synonyms	5-Nitro-2-aminobenzenesulfinic Acid; 2-Amino-5-nitrobenzenesulphinic Acid; Benzenesulfinic acid, 2-amino-5-nitro-; 2-Amino-5-nitrophenylsulfinic Acid; 5-Nitroanthranilic acid sulfinic acid; (2-Amino-5-nitrophenyl)sulfinic acid
EINECS	Contact for details

Quality Control

Our 2-Amino-5-Nitrobenzenesulfinic Acid is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including identity confirmation by IR spectroscopy and purity determination by HPLC, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its easily oxidized nature, minimize exposure to air during handling.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.