Description

Disodium Mercaptosuccinate is the disodium salt derivative of mercaptosuccinic acid, a versatile sulfur-containing organic compound. This chemical is a valuable intermediate and reagent, prized for its ability to act as a nucleophile and a chelating agent due to its thiol and carboxylate functional groups. It is primarily utilized in the synthesis of pharmaceuticals, agrochemicals, and as a key component in certain specialty polymer and plating processes.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring thiol incorporation.
• Agrochemical Synthesis: Used in the production of certain herbicides, fungicides, and plant growth regulators.
• Polymer Modification: Acts as a chain transfer agent or cross-linking agent in the production of specialty polymers and resins.
• Electroplating Additive: Serves as a brightening or leveling agent in electroplating baths for metals.
• Chemical Research & Development: Employed as a reagent in organic synthesis for introducing sulfhydryl groups and in asymmetric synthesis.
• Chelating Agent: Used in formulations for metal ion sequestration and in analytical chemistry applications.

Basic Information

Product Name	Disodium Mercaptosuccinate
CAS No.	22437-79-2
Molecular Formula	C4H4Na2O4S
Molecular Weight	210.11 g/mol
Synonyms	Disodium 2-sulfanylbutanedioate; Mercaptosuccinic acid disodium salt; 2-Mercaptobutanedioic acid disodium salt; Sodium mercaptosuccinate; Succinic acid, mercapto-, disodium salt; Thiomalic acid disodium salt; DNSM
EINECS	Contact for details

Quality Control

Our Disodium Mercaptosuccinate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with key parameters including assay, impurity profile, and physical characteristics. Our quality commitment supports applications requiring reliable and traceable raw materials.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and easily oxidized; containers should be kept tightly sealed under an inert atmosphere after opening to maintain stability and prevent degradation.

Specification

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

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