Description

Benzenesulfonyl Chloride, 4-Hydroxy-3-Nitro- (9Ci) is a specialized aromatic sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its unique structure, featuring both a reactive sulfonyl chloride group and a nitro-substituted phenol, makes it a versatile intermediate for constructing complex molecules with tailored properties. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, where it is used to introduce the benzenesulfonyl moiety and create novel active ingredients.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of potential drug candidates, particularly sulfonamide-based therapeutics.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and pesticides that require specific sulfonyl functional groups.
• Dyestuff and Pigment Manufacturing: Serves as an intermediate for creating specialized azo dyes and colorants.
• Polymer Chemistry: Acts as a monomer or modifying agent in the production of specialty polymers and resins.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D focused on heterocyclic chemistry and material science.
• Ligand and Catalyst Preparation: Utilized in the synthesis of complex ligands for catalytic systems.

Basic Information

Product Name	Benzenesulfonyl Chloride, 4-Hydroxy-3-Nitro- (9Ci)
CAS No.	147682-51-7
Molecular Formula	C6H4ClNO5S
Molecular Weight	237.62 g/mol
Synonyms	4-Hydroxy-3-nitrobenzenesulfonyl chloride; 3-Nitro-4-hydroxybenzenesulfonyl chloride; 2-Nitro-4-(chlorosulfonyl)phenol; 1-Hydroxy-2-nitro-4-(chlorosulfonyl)benzene; 4-(Chlorosulfonyl)-2-nitrophenol; NSC 406903; Benzenesulfonyl chloride, 4-hydroxy-3-nitro-
EINECS	Contact for details

Quality Control

Our Benzenesulfonyl Chloride, 4-Hydroxy-3-Nitro- is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality management system is designed to meet the stringent requirements of GMP and ISO standards where applicable, ensuring reliability for your critical synthesis workflows.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Light yellow to yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Related Substances (HPLC)	Contact for details

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