Description

Ammonium Methyl Sulphate is an organosulfate salt with significant utility as a chemical intermediate and reagent. Its primary commercial value lies in its role as a methylating agent and a source of the methyl sulfate anion in organic synthesis and industrial processes. This compound is essential for manufacturers and R&D facilities in the agrochemical, pharmaceutical, and specialty chemical sectors seeking reliable, high-purity raw materials.

Application

• Agrochemical Synthesis: Key intermediate in the production of certain herbicides, pesticides, and plant growth regulators.
• Pharmaceutical Manufacturing: Utilized as a methylating agent in the synthesis of active pharmaceutical ingredients (APIs) and fine chemicals.
• Chemical Research & Development: Serves as a versatile reagent for introducing methyl sulfate groups in organic chemistry laboratories.
• Dye & Pigment Industry: Acts as an intermediate in the synthesis of specific dyes and colorants.
• Ion-Pairing Reagent: Used in analytical chemistry applications, particularly in chromatography.
• Surfactant & Detergent Intermediates: Potential building block for the synthesis of specialized anionic surfactants.

Basic Information

Product Name	Ammonium Methyl Sulphate
CAS No.	19803-43-1
Molecular Formula	CH7NO4S
Molecular Weight	129.13 g/mol
Synonyms	Methylsulfuric Acid Ammonium Salt; Ammonium Methosulfate; Ammonium Methylsulfate; Methanesulfuric Acid Ammonium Salt; Methyl Sulfate Ammonium Salt; Ammonium Monomethyl Sulfate; (Methylsulfonyloxy)ammonium
EINECS	243-321-1

Quality Control

Our Ammonium Methyl Sulphate is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive quality assurance, with product specifications meeting the rigorous demands of industrial and research applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment to guarantee compliance with your specifications.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
pH (5% solution)	5.0 - 7.0
Heavy Metals (as Pb)	≤ 20 ppm

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