Description

Methyl 3-Nitrobenzenesulfonate is a versatile organic sulfonate ester, serving as a key electrophilic reagent and building block in advanced chemical synthesis. Its primary value lies in its ability to act as a methylating or sulfonylating agent, facilitating the introduction of functional groups under controlled conditions. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to create complex intermediates, active ingredients, and performance materials.

Application

• Pharmaceutical Intermediate: A critical reagent in the synthesis of active pharmaceutical ingredients (APIs), particularly for constructing sulfonamide and other sulfur-containing heterocycles.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators that require specific sulfonate ester functionalities.
• Dye and Pigment Manufacturing: Acts as an intermediate in the synthesis of sulfonated azo dyes and other colorants, providing enhanced solubility and chromophore properties.
• Polymer Chemistry: Employed as a monomer or cross-linking agent in the production of specialty polymers, including ion-exchange resins and high-performance plastics.
• Organic Synthesis Reagent: Functions as a robust electrophile in nucleophilic substitution reactions (SN2) for introducing the methylsulfonyl or nitrophenylsulfonyl moiety.
• Material Science Research: Utilized in the development of novel organic electronic materials and liquid crystals due to its electron-withdrawing nitro and sulfonate groups.

Basic Information

Product Name	Methyl 3-Nitrobenzenesulfonate
CAS No.	6214-21-7
Molecular Formula	C7H7NO5S
Molecular Weight	217.20 g/mol
Synonyms	3-Nitrobenzenesulfonic Acid Methyl Ester; Methyl m-Nitrobenzenesulfonate; m-Nitrobenzenesulfonic Acid Methyl Ester; Methyl 3-Nitrobenzenesulphonate; 3-Nitrobenzene-1-sulfonic Acid Methyl Ester; Methyl Ester of 3-Nitrobenzenesulfonic Acid; 1-Methoxy-3-nitrobenzene-1-sulfonate
EINECS	228-288-3

Quality Control

Our production of Methyl 3-Nitrobenzenesulfonate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity, GC for residual solvents, and NMR/IR for structural confirmation, to ensure it meets precise customer specifications. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting all critical quality attributes. We operate under a cGMP-compliant quality system, ensuring traceability, consistency, and reliability for our global B2B partners.

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 hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance. Keep away from heat, sparks, and open flame. For long-term storage, consider using desiccants or an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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