Description

Methyl 4-Nitrobenzenesulfonate is a versatile organic sulfonate ester, widely utilized as a key alkylating agent and synthetic intermediate in advanced chemical synthesis. Its primary value lies in its ability to efficiently transfer a methylsulfonyl group, making it indispensable for constructing complex molecular architectures. This high-purity compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require reliable and consistent building blocks for their processes.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for sulfonamide-based drugs.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents requiring specific sulfonate functionalities.
• Dye and Pigment Manufacturing: Serves as an intermediate in the creation of sulfonated azo dyes and other colorants.
• Polymer Chemistry: Employed as a monomer or cross-linking agent in the production of specialty polymers and resins.
• Organic Synthesis Reagent: A valuable reagent for methylation and sulfonylation reactions in research and development laboratories.
• Material Science: Used in the surface modification of materials and in the synthesis of advanced organic electronic materials.

Basic Information

Product Name	Methyl 4-Nitrobenzenesulfonate
CAS No.	6214-20-6
Molecular Formula	C7H7NO5S
Molecular Weight	217.20 g/mol
Synonyms	4-Nitrobenzenesulfonic Acid Methyl Ester; p-Nitrobenzenesulfonyl Methyl Ester; Methyl p-Nitrobenzenesulfonate; Methyl 4-Nitrobenzenesulphonate; Methyl p-Nitrobenzenesulphonate; 4-Nitrobenzene-1-sulfonic Acid Methyl Ester; NSC 4032
EINECS	228-287-9

Quality Control

Our Methyl 4-Nitrobenzenesulfonate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is subjected to rigorous analytical testing, including HPLC, NMR, and GC analysis, to verify identity, potency, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	94 - 98 °C
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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