Description

Dimethyl 3,3'-Dithiobispropionate is a high-purity organic sulfur compound, recognized for its role as a versatile chemical intermediate and cross-linking agent. Its molecular structure, featuring a disulfide linkage, is critical for applications requiring controlled reactivity and the introduction of sulfur-based functional groups. This product is essential for manufacturers in the polymer, pharmaceutical, and specialty chemical industries seeking reliable synthesis building blocks.

Application

• Polymer Chemistry: Serves as a key monomer or cross-linking agent in the synthesis of specialty polymers, including polythioesters and materials with disulfide bonds for self-healing or redox-responsive properties.
• Pharmaceutical Intermediates: Used in the research and development of active pharmaceutical ingredients (APIs), particularly those incorporating disulfide or thioether motifs.
• Organic Synthesis: Acts as a pivotal building block for synthesizing complex molecules in fine chemical and agrochemical production.
• Material Science: Employed in the development of advanced materials, such as functional coatings and adhesives, where the disulfide bond can impart unique mechanical or chemical characteristics.
• Bioconjugation & Protein Chemistry: Utilized as a reagent for modifying biomolecules, enabling the study of protein structure and function or the creation of bioconjugates.

Basic Information

Product Name	Dimethyl 3,3'-Dithiobispropionate
CAS No.	15441-06-2
Molecular Formula	C8H14O4S2
Molecular Weight	238.32 g/mol
Synonyms	Dimethyl 3,3'-dithiodipropionate; Bis(2-methoxy-2-oxoethyl) disulfide; 3,3'-Dithiobis(propionic acid) dimethyl ester; Methyl 3,3'-dithiobispropionate; Dithiodipropionic acid dimethyl ester; 2-Methoxy-2-oxoethyl disulfide; Propanoic acid, 3,3'-dithiobis-, dimethyl ester
EINECS	239-428-7

Quality Control

Our Dimethyl 3,3'-Dithiobispropionate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets exacting standards for industrial and research use. A Certificate of Analysis (COA) detailing all relevant specifications is provided with every shipment to guarantee traceability and compliance.

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 and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.220 - 1.250
Refractive Index (20°C)	1.510 - 1.520

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