Description

2,2-Dimethyl-1,3-Propanediyl Bis(Mercaptoacetate) is a specialized bifunctional mercaptan ester, a key intermediate in advanced polymer synthesis. This compound is valued for its ability to act as a chain transfer agent and cross-linking precursor, enabling precise control over polymer architecture and properties. It is essential for manufacturers in the polymer, adhesive, and specialty chemical industries seeking to develop high-performance materials with tailored characteristics.

Application

• Polymer Modification: Serves as a highly effective chain transfer agent (CTA) in free-radical polymerization to control molecular weight and reduce polydispersity.
• Cross-linking Agent: Used in the production of cross-linked polymers, elastomers, and resins, enhancing thermal stability and mechanical strength.
• Adhesive Formulation: A critical component in the synthesis of high-performance, sulfur-containing adhesives and sealants.
• Optical Material Production: Employed as a monomer in the synthesis of high-refractive-index polymers for optical lenses and coatings.
• Liquid Rubber Synthesis: Acts as a terminal modifier in the production of liquid polysulfide and polyurethane rubbers.
• Pharmaceutical Intermediates: Utilized in the synthesis of complex molecules where the dithiol functionality is required.

Basic Information

Product Name	2,2-Dimethyl-1,3-Propanediyl Bis(Mercaptoacetate)
CAS No.	77208-07-2
Molecular Formula	C9H16O4S2
Molecular Weight	252.35 g/mol
Synonyms	Neopentyl Glycol Bis(mercaptoacetate); 2,2-Dimethylpropane-1,3-diyl bis(2-sulfanylacetate); 1,3-Bis(mercaptoacetoxy)-2,2-dimethylpropane; Bis(2-mercaptoacetoxy)-2,2-dimethylpropane; Neopentylglycol dimercaptoacetate; DMTG; NPGdMA; 2,2-Dimethyltrimethylene dimercaptoacetate
EINECS	Contact for details

Quality Control

Our 2,2-Dimethyl-1,3-Propanediyl Bis(Mercaptoacetate) is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and titration, to ensure high purity and consistency. Certificates of Analysis (COA) detailing specific batch results are provided to guarantee compliance with your technical requirements and support your quality assurance protocols.

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 sources of heat. Due to the presence of thiol groups, it is recommended to store under an inert atmosphere for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.510 - 1.520
Density (20°C)	1.20 - 1.25 g/cm³

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