Description

2,2-Dimethyl-1-(1-methylethyl)-1,3-propanediyl bis(mercaptoacetate) is a specialized organosulfur compound featuring a branched diol core esterified with two mercaptoacetic acid groups. This unique molecular architecture makes it a valuable intermediate and cross-linking agent, particularly in advanced polymer synthesis and material science. It is primarily sought after by R&D chemists and production engineers in the specialty chemical, polymer additive, and advanced materials sectors for applications requiring precise molecular control and enhanced material properties.

Application

• Polymer Cross-linking Agent: Used in the synthesis and modification of polyurethanes, epoxies, and other thermosetting resins to improve mechanical strength, thermal stability, and chemical resistance.
• Thiol-Ene Chemistry Intermediate: Serves as a key monomer or chain transfer agent in photo-initiated thiol-ene click reactions for creating precise polymer networks, coatings, and adhesives.
• Optical Material Production: Employed in the manufacture of high-refractive-index polymers and optical lenses where its sulfur content contributes to desired optical properties.
• Adhesive & Sealant Formulation: Functions as a reactive diluent and modifier in high-performance adhesive and sealant systems to enhance flexibility and cure characteristics.
• Lubricant & Fuel Additive Synthesis: Acts as a precursor for creating extreme pressure (EP) additives and anti-wear agents in advanced lubricants and industrial fluids.
• Pharmaceutical & Agrochemical Intermediates: Utilized in the research and development of active ingredients and prodrugs that incorporate disulfide or thioether linkages.

Basic Information

Item	Details
Product Name	2,2-Dimethyl-1-(1-Methylethyl)-1,3-Propanediyl Bis(Mercaptoacetate)
CAS No.	77223-49-5
Molecular Formula	C13H24O4S2
Molecular Weight	308.46 g/mol
Synonyms	2,2-Dimethyl-1-(1-methylethyl)-1,3-propanediyl dithioglycolate; 1,3-Bis(mercaptoacetoxy)-2,2-dimethyl-3-(1-methylethyl)propane; 3-Mercaptopropionic Acid, 2,2-Dimethyl-1-(1-methylethyl)-1,3-propanediyl Ester; Isopropylidene Di(mercaptoacetate); Dithioglycolic Acid Ester of Neopentyl Glycol, Isopropylidene Derivative; Bis(2-mercaptoacetyl) Isopropylidene Neopentyl Glycol Ester
EINECS	Contact for details

Quality Control

Our production of 2,2-Dimethyl-1-(1-methylethyl)-1,3-propanediyl bis(mercaptoacetate) adheres to a stringent quality management system. Every batch undergoes comprehensive analytical testing, including assay by HPLC, identification by IR and NMR spectroscopy, and impurity profiling to ensure high purity and batch-to-batch consistency. A detailed Certificate of Analysis (COA) documenting all test results is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its easily oxidized nature, minimize headspace in opened containers and handle under an inert gas blanket to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.510 - 1.520
Density (20°C)	1.15 - 1.20 g/cm³

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