Description

2-Chloro-5-Nitrobenzenesulphinic Acid is a specialized aromatic sulfinic acid derivative, serving as a versatile and critical synthetic intermediate in advanced organic chemistry. Its value lies in its unique bifunctional structure, featuring both a reactive sulfinic acid group and a nitro-chloro substituted aromatic ring, enabling precise chemical transformations. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require high-purity building blocks for synthesizing complex molecules, dyes, and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing sulfonamide or sulfone functionalities.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as a precursor for synthesizing azo dyes and other complex colorants.
• Polymer Chemistry: Acts as a monomer or modifying agent in the production of specialty polymers and resins.
• Organic Synthesis Research: A valuable reagent for constructing complex molecular architectures in academic and industrial R&D settings.
• Ligand and Catalyst Preparation: Utilized in the development of novel ligands for metal-catalyzed reactions.

Basic Information

Product Name	2-Chloro-5-Nitrobenzenesulphinic Acid
CAS No.	61886-18-8
Molecular Formula	C6H4ClNO4S
Molecular Weight	221.62 g/mol
Synonyms	2-Chloro-5-nitrobenzenesulfinic acid; 1-Chloro-4-nitro-2-sulfinylbenzene; Benzenesulfinic acid, 2-chloro-5-nitro-; (2-Chloro-5-nitrophenyl)sulfinic acid; 2-Chloro-5-nitrobenzenesulphinic acid; 2-Chloro-5-nitrobenzene sulfinic acid; 2-Chloro-5-nitro-phenylsulfinic acid; 61886-18-8
EINECS	Contact for details

Quality Control

Every batch of our 2-Chloro-5-Nitrobenzenesulphinic Acid is manufactured under strict quality management systems and undergoes rigorous analytical testing to ensure it meets the high standards required for synthetic applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as purity, identity, and impurity profiles. Our commitment to consistent quality and supply chain reliability ensures you receive a product that performs reliably in your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from heat, sparks, open flames, and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%, Total impurities ≤ 1.5%

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