Description

Hydroxylammonium 4-Methylbenzenesulphonate is a specialized organic salt of hydroxylamine and p-toluenesulfonic acid. This compound serves as a versatile and stable source of hydroxylamine, a critical reagent in organic synthesis and industrial processes. It is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and polymer industries seeking reliable, high-purity intermediates for reactions such as oximation and reduction.

Application

• As a key intermediate in the synthesis of pharmaceutical active ingredients, particularly for oxime formation.
• As a reducing agent and catalyst in specialized organic synthesis and polymerization reactions.
• In the production of agrochemicals, including pesticides and herbicides.
• For the synthesis of dyes, pigments, and photographic chemicals.
• In research and development for creating novel chemical entities and fine chemicals.
• As a stabilizer or additive in specific industrial formulations where controlled release of hydroxylamine is required.

Basic Information

Product Name	Hydroxylammonium 4-Methylbenzenesulphonate
CAS No.	53933-48-5
Molecular Formula	C7H11NO4S
Molecular Weight	205.23 g/mol
Synonyms	Hydroxylamine p-Toluenesulfonate; Hydroxylammonium Tosylate; Hydroxylamine Tosylate; p-Toluenesulfonic Acid Hydroxylamine Salt; 4-Methylbenzenesulfonic Acid Hydroxylammonium Salt; HATU precursor salt; Hydroxylamine Salt of Tosic Acid
EINECS	Contact for details

Quality Control

Our Hydroxylammonium 4-Methylbenzenesulphonate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for synthesis and industrial applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

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 and easily oxidized nature, it is recommended to handle under an inert atmosphere for extended storage and to minimize exposure to air and moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm

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