Description

Sodium, 4-(Methylsulfonyloxy)Benzenesulfonate is a versatile organic sulfonate salt with a reactive mesylate ester group. This compound is valued as a key chemical intermediate and functional additive, enabling precise chemical synthesis and modification. It is primarily needed by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for the development of active ingredients and performance materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly as a sulfonating or alkylating agent.
• Agrochemical Synthesis: Serves as a building block for herbicides, fungicides, and other crop protection agents.
• Polymer Modification: Acts as a functional monomer or additive to introduce sulfonate groups, enhancing hydrophilicity or ionic character in specialty polymers.
• Dye and Pigment Manufacturing: Employed in the production of sulfonated dyes and colorants to improve solubility and application properties.
• Chemical Research & Development: A valuable reagent for organic synthesis in R&D laboratories for creating novel compounds.
• Surfactant and Detergent Formulation: Can be utilized as a component in specialized surfactant systems due to its anionic sulfonate structure.

Basic Information

Product Name	Sodium, 4-(Methylsulfonyloxy)Benzenesulfonate
CAS No.	69497-82-1
Molecular Formula	C7H7NaO6S2
Molecular Weight	274.24 g/mol
Synonyms	4-(Methanesulfonyloxy)benzenesulfonic acid sodium salt; Sodium 4-(methylsulfonyloxy)benzenesulfonate; Benzenesulfonic acid, 4-[(methylsulfonyl)oxy]-, sodium salt; p-(Methylsulfonyloxy)benzenesulfonate sodium; Sodium p-toluenesulfonate mesylate derivative; 4-Hydroxybenzenesulfonic acid methylsulfonate sodium salt; Mesylate ester of sodium 4-hydroxybenzenesulfonate
EINECS	Contact for details

Quality Control

Our Sodium, 4-(Methylsulfonyloxy)Benzenesulfonate is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for chemical intermediates. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture, which can affect product stability and handling properties.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 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.