Description

Potassium Methyl Sulfate is an organosulfur compound with the chemical formula CH3KO4S. This versatile potassium salt of methyl sulfate is valued for its role as a key intermediate and reagent in advanced organic synthesis and specialty chemical manufacturing. It is particularly sought after by industries involved in pharmaceuticals, agrochemicals, and fine chemical production, where it serves as a methylating agent or a source of the methylsulfate anion. Its reliable performance under controlled conditions makes it a critical component for research and development as well as scale-up processes.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) requiring controlled methylation steps.
• Agrochemical Synthesis: Serves as a building block in the production of herbicides, fungicides, and plant growth regulators.
• Fine Chemical Manufacturing: Acts as a reagent for introducing the methylsulfate group in complex organic molecules.
• Biochemical Research: Employed in laboratory settings for studying enzymatic reactions and metabolic pathways involving sulfate esters.
• Polymer Chemistry: Can be utilized as an ionic monomer or catalyst in specific polymerization processes.
• Analytical Chemistry: Used as a standard or reference material in chromatographic and spectroscopic analysis.

Basic Information

Product Name	Potassium Methyl Sulfate
CAS No.	562-54-9
Molecular Formula	CH3KO4S
Molecular Weight	162.21 g/mol
Synonyms	Methyl potassium sulfate; Potassium methoxysulfonate; Methylsulfuric acid potassium salt; Methanesulfonic acid, potassium salt (common misnomer); Dimethyl sulfate potassium salt derivative; KMS; CH3OSO3K; Potassium methyl sulphate
EINECS	209-230-3

Quality Control

Our Potassium Methyl Sulfate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. We provide Certificates of Analysis (COA) with every shipment, detailing results from tests such as assay, identification, and moisture content. Our commitment to consistent quality and reliable supply supports your critical R&D and production 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) and must be kept in a dry environment to prevent degradation and caking. Keep away from incompatible materials such as strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%
pH (5% solution)	6.0 - 8.0

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