Description

1-Propanesulfonic Acid, 3-((2,3-Dimercaptopropyl)Thio)-, Sodium Salt is a specialized organosulfur compound featuring a unique structure with multiple thiol and sulfonate functional groups. This compound is valued for its potent chelating and reducing properties, making it a critical component in formulations requiring heavy metal control and antioxidant activity. It is primarily sought by manufacturers in the polymer, lubricant, and specialty chemical industries for applications such as stabilizer systems and corrosion inhibition.

Application

• As a stabilizer and antioxidant in polymer and resin formulations to prevent degradation.
• As a chelating agent in industrial lubricants and metalworking fluids for controlling metal-catalyzed oxidation.
• As a key intermediate in the synthesis of specialized surfactants and pharmaceutical agents.
• In corrosion inhibitor packages for water treatment and cooling systems.
• As a vulcanization accelerator or modifier in certain rubber compounding processes.
• In analytical chemistry as a derivatization agent or a standard for specific assays.

Basic Information

Product Name	1-Propanesulfonic Acid, 3-((2,3-Dimercaptopropyl)Thio)-, Sodium Salt
CAS No.	19872-31-2
Molecular Formula	C6H13NaO3S3
Molecular Weight	252.34 g/mol
Synonyms	Sodium 3-((2,3-dimercaptopropyl)thio)-1-propanesulfonate; 3-((2,3-Dimercaptopropyl)thio)-1-propanesulfonic acid sodium salt; DMPS Sodium Salt; Sodium 2,3-dimercaptopropanesulfonate derivative; Unithiol derivative; Sulfonate chelating agent; Antioxidant 19872-31-2
EINECS	Contact for details

Quality Control

Our production of 1-Propanesulfonic Acid, 3-((2,3-Dimercaptopropyl)Thio)-, Sodium Salt adheres to stringent quality management protocols. Each batch is analyzed to ensure consistent purity and performance, with specifications tailored to industrial and technical grade requirements. A Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Due to its easily oxidized nature, store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended storage temperature is 2-8°C for long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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