Description

Propanebis(Thioic)Acid,S1,S3-Bis(1,1-Dimethylethyl) Ester is a specialized organosulfur compound, specifically a dithioester, valued for its role as a versatile intermediate and chain transfer agent in advanced polymer synthesis. This chemical is critical for researchers and manufacturers seeking to precisely control polymer molecular weight and architecture, particularly in radical polymerization processes. It finds essential application in the production of high-performance materials, including specialty rubbers, adhesives, and functional polymers for the pharmaceutical and advanced materials sectors.

Application

• RAFT/MADIX Polymerization Agent: Serves as a highly effective chain transfer agent (CTA) in Reversible Addition-Fragmentation Chain Transfer (RAFT) and Macromolecular Design via Interchange of Xanthates (MADIX) polymerizations to produce polymers with controlled molecular weights and low dispersity.
• Specialty Polymer Synthesis: Key intermediate for synthesizing block copolymers, star polymers, and other complex polymeric architectures with tailored properties.
• Performance Material Modifier: Used to modify the properties of synthetic rubbers, adhesives, and coatings, enhancing characteristics like elasticity, tack, and thermal stability.
• Pharmaceutical Intermediates: Employed in the research and development of active pharmaceutical ingredients (APIs) and drug delivery systems where specific sulfur-containing moieties are required.
• Ligand and Catalyst Precursor: Acts as a precursor for ligands in coordination chemistry and catalysis, particularly in processes involving transition metals.
• Organic Synthesis Building Block: Utilized in organic laboratories for the introduction of the dithioester functional group into target molecules.

Basic Information

Item	Details
Product Name	Propanebis(Thioic)Acid,S1,S3-Bis(1,1-Dimethylethyl) Ester
CAS No.	81787-33-9
Molecular Formula	C11H22OS2
Molecular Weight	234.42 g/mol
Synonyms	S,S'-Di-tert-butyl trithiocarbonate; Di-tert-butyl trithiocarbonate; tert-Butyl 3,3-dimethyl-2-thioxobutaneperthioate; 1,1-Dimethylethyl 3,3-dimethyl-2-thioxobutanethioate; Propanebis(thioic) acid, S,S'-bis(1,1-dimethylethyl) ester; DBTC; DTBTC; RAFT Agent (DBTC)
EINECS	Contact for details

Quality Control

Our production of Propanebis(Thioic)Acid,S1,S3-Bis(1,1-Dimethylethyl) Ester adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity, critical for sensitive polymerization applications. Each lot is analyzed using advanced techniques including HPLC, GC, NMR, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every 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 place at room temperature (15-25°C). This material is moisture-sensitive; keep the container tightly sealed under an inert atmosphere such as nitrogen to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange liquid or low-melting solid
Identification (IR)	Conforms to structure
Purity (HPLC/GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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