Description

Dmps CAS NO 74-61-3 is a high-purity organosulfur compound, specifically 2,3-Dimercapto-1-propanesulfonic acid sodium salt, widely recognized as a potent chelating agent and biochemical reagent. Its primary commercial value lies in its exceptional ability to bind and detoxify heavy metals, making it a critical component in research, pharmaceutical development, and industrial safety protocols. This product is essential for professionals in the pharmaceutical, biotechnology, and chemical synthesis sectors who require a reliable and effective metal-chelating agent for applications ranging from drug formulation to analytical chemistry.

Application

• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) requiring metal chelation or sulfhydryl group chemistry.
• Biochemical Research: Serves as a key reagent in enzymatic studies, protein purification, and as a reducing agent to stabilize sulfhydryl groups in biological systems.
• Heavy Metal Detoxification: Employed in research and development of antidotes and treatments for poisoning by metals such as arsenic, mercury, and lead.
• Analytical Chemistry: Utilized as a complexing agent in titrations and spectroscopic methods for the detection and quantification of metal ions.
• Polymer & Material Science: Acts as a cross-linking agent or modifier in the production of specialty polymers and functional materials.
• Industrial Catalysis: Functions as a ligand or co-catalyst in certain metal-catalyzed chemical reactions.

Basic Information

Product Name	Dmps
CAS No.	74-61-3
Molecular Formula	C3H7NaO3S3
Molecular Weight	210.27 g/mol
Synonyms	2,3-Dimercapto-1-propanesulfonic acid sodium salt; Sodium 2,3-dimercaptopropane-1-sulfonate; DMPS; Unithiol; Dimaval; Unitiol; Sulfactin; Sodium Dimercaptopropanesulfonate
EINECS	200-822-1

Quality Control

Our Dmps CAS NO 74-61-3 is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for pharmaceutical and research applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is kept tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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