Description

Sodium 2-Hydroxy-3-Mercaptopropanesulphonate is a versatile organosulfur compound with significant industrial utility. Its unique structure, featuring both a sulfonate and a thiol group, makes it an effective reducing agent and stabilizer in various chemical processes. This product is essential for manufacturers in the polymer, textile, and photographic industries seeking to control oxidation and improve product stability.

Application

• Polymerization Aid: Acts as a chain transfer agent and stabilizer in the production of synthetic rubbers and latexes.
• Photographic Industry: Serves as a developing agent and stabilizer in photographic emulsions and solutions.
• Textile Processing: Used as a reducing agent and anti-oxidant in dyeing and finishing processes.
• Water Treatment: Functions as a scale inhibitor and corrosion inhibitor in industrial water systems.
• Chemical Synthesis: Employed as a building block and intermediate in the synthesis of specialty chemicals and pharmaceuticals.
• Electroplating Additive: Used in electroplating baths to improve brightness and uniformity of metal deposits.

Basic Information

Product Name	Sodium 2-Hydroxy-3-Mercaptopropanesulphonate
CAS No.	20055-98-5
Molecular Formula	C3H7NaO5S2
Molecular Weight	210.20 g/mol
Synonyms	2-Hydroxy-3-mercaptopropanesulfonic acid sodium salt; Thioglycerol sulfonate sodium salt; Sodium thioglycerol sulfonate; 3-Mercapto-2-hydroxypropanesulfonic acid sodium salt; Sodium 3-mercapto-2-hydroxypropanesulfonate; HMS; Contact for details on additional trade names.
EINECS	243-531-5

Quality Control

Our Sodium 2-Hydroxy-3-Mercaptopropanesulphonate is manufactured under a strict quality management system. Each batch is tested to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee batch-to-batch consistency and compliance with your requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and easily oxidized; prolonged exposure to air and moisture should be avoided to maintain product integrity.

Specification

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

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