Description

Dimethyl 4,4'-Thiobisbutyrate is a high-purity organic sulfur compound, specifically a diester of thiobisbutyric acid, serving as a versatile intermediate for advanced chemical synthesis. Its molecular structure, featuring a central thioether linkage flanked by ester groups, makes it a valuable precursor for creating functional materials with tailored properties. This product is essential for R&D and production in the pharmaceutical, polymer, and specialty chemical industries, where it is used to introduce sulfur-containing moieties or as a building block for ligands and cross-linking agents.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, particularly those requiring a thioether functional group.
• Polymer Chemistry: Used as a monomer or cross-linking agent in the production of specialty polymers, including polyesters and materials with enhanced thermal or mechanical properties.
• Ligand Synthesis: Serves as a precursor for creating chelating agents and ligands used in catalysis and metal complexation processes.
• Organic Synthesis: A versatile reagent for introducing the 4,4'-thiobis(butanoyl) segment into more complex organic molecules in research and development.
• Material Science: Employed in the development of advanced materials, such as liquid crystals or organic semiconductors, where its structure can influence self-assembly and electronic properties.
• Agrochemicals: Potential intermediate in the synthesis of novel herbicides, fungicides, or plant growth regulators.

Basic Information

Product Name	Dimethyl 4,4'-Thiobisbutyrate
CAS No.	50354-51-3
Molecular Formula	C10H18O4S
Molecular Weight	234.31 g/mol
Synonyms	Dimethyl 3,3'-thiobispropionate; Dimethyl 3,3'-dithiodipropionate; Methyl 4,4'-thiobisbutyrate; Bis(3-methoxycarbonylpropyl) sulfide; 4,4'-Thiobis(butyric acid) dimethyl ester; 3,3'-Thiodipropionic acid dimethyl ester; Thiobisbutyric acid dimethyl ester; Dimethyl ester of 4,4'-thiobisbutyric acid
EINECS	Contact for details

Quality Control

Our Dimethyl 4,4'-Thiobisbutyrate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high chemical purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with each shipment to support your quality assurance and regulatory compliance needs.

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 heat, sparks, and open flame. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.470 - 1.480
Density (20°C)	1.10 - 1.20 g/mL

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