Description

Ammonium 2-Amino-5-Nitrobenzenesulphonate is a specialized organic salt with significant utility as a key chemical intermediate. Its structure, featuring both amino and nitro functional groups on a benzenesulphonate backbone, makes it a versatile precursor for synthesizing more complex molecules. This compound is primarily sought after by manufacturers in the dye and pigment, pharmaceutical, and agrochemical industries for the production of azo dyes, active pharmaceutical ingredients (APIs), and other fine chemicals.

Application

• Primary Intermediate for Azo Dyes and Pigments: Serves as a crucial diazo component in the synthesis of vibrant, complex azo dyes used in textiles, inks, and plastics.
• Pharmaceutical Synthesis: Used as a building block in the manufacture of certain active pharmaceutical ingredients (APIs) and diagnostic agents.
• Agrochemical Production: Acts as an intermediate in the synthesis of herbicides, pesticides, and other crop protection chemicals.
• Research & Development: Employed in chemical research for developing novel organic compounds and materials.
• Fine Chemical Manufacturing: Utilized in the production of other specialty chemicals, including photographic chemicals and corrosion inhibitors.

Basic Information

Product Name	Ammonium 2-Amino-5-Nitrobenzenesulphonate
CAS No.	4346-51-4
Molecular Formula	C₆H₉N₃O₅S
Molecular Weight	235.22 g/mol
Synonyms	2-Amino-5-nitrobenzenesulfonic acid ammonium salt; Ammonium 2-amino-5-nitrobenzenesulfonate; 5-Nitro-2-aminobenzenesulfonic acid ammonium salt; Ammonium 5-nitroanthranilate sulfonate; Benzenesulfonic acid, 2-amino-5-nitro-, ammonium salt; C.I. 37135; 2-Amino-5-nitrobenzenesulphonic acid ammonium salt
EINECS	224-413-8

Quality Control

Our Ammonium 2-Amino-5-Nitrobenzenesulphonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for industrial and research use. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is easily oxidized and should be kept under an inert atmosphere for long-term storage. Keep away from strong oxidizing agents and incompatible materials.

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 (Sulfated Ash)	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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