Description

Dimethyl 3,3'-Thiodipropanoate is a sulfur-containing diester compound, serving as a versatile intermediate in organic synthesis. Its core value lies in its bifunctional structure, which allows it to act as a key building block for polymers, stabilizers, and specialty chemicals. This product is essential for manufacturers in the polymer additives, lubricant, and pharmaceutical intermediate sectors seeking to enhance product performance and stability.

Application

• Polymer Additive Synthesis: A crucial monomer or intermediate for producing light stabilizers, antioxidants, and heat stabilizers for plastics and synthetic fibers.
• Lubricant Industry: Used in the formulation of extreme pressure additives and anti-wear agents for advanced lubricating oils and greases.
• Pharmaceutical Intermediates: Serves as a key precursor in the synthesis of certain active pharmaceutical ingredients (APIs) and drug candidates.
• Crosslinking Agent: Functions as a crosslinker or chain extender in the production of specialty polymers, resins, and elastomers.
• Chemical Synthesis: Employed as a building block for synthesizing more complex sulfur-containing compounds, including surfactants and corrosion inhibitors.
• Flavor and Fragrance Industry: Can be used as an intermediate for creating specific sulfur-based aroma chemicals.

Basic Information

Product Name	Dimethyl 3,3'-Thiodipropanoate
CAS No.	4131-74-2
Molecular Formula	C8H14O4S
Molecular Weight	206.26 g/mol
Synonyms	Dimethyl Thiodipropionate; Methyl 3,3'-Thiodipropionate; 3,3'-Thiodipropionic Acid Dimethyl Ester; Bis(2-methoxycarbonylethyl) Sulfide; Thiodipropionic Acid Dimethyl Ester; DMTDP; Propanedioic Acid, 3,3'-Thiobis-, Dimethyl Ester; DTDP
EINECS	223-941-0

Quality Control

Our Dimethyl 3,3'-Thiodipropanoate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards and consistent specifications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and quality assurance for your production processes.

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). Keep away from strong oxidizing agents, strong bases, and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.470 - 1.480
Density (20°C)	1.18 - 1.22 g/mL

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