Basic Identification: Bis(4-methacryloylthiophenyl) sulfide (abbreviated as BMTS,BMTPS or MPSDMA) is an organic compound that serves as a key building block in advanced material chemistry. MF is C₂₀H₁₈O₂S₃, and it has a molecular weight of approximately 386.6 g/mol. It is also widely recognized by its CAS No. 129283-82-5 and the IUPAC name *S-[4-[4-(2-methylprop-2-enoylsulfanyl)phenyl]sulfanylphenyl] 2-methylprop-2-enethioate*. Other common synonyms include *4,4'-Thiodibenzenedithiol Dimethacrylate* and *S,S'-(Thiobis(4,1-phenylene)) bis(2-methylprop-2-enethioate)*. The unique properties of this monomer derive from its high sulfur content. Its sulfur-rich aromatic structure contributes to a high refractive index, reported to be approximately 1.651.
Key physical properties of the substance include: · Appearance: White to light yellow powder or crystal · Melting Point: Typically ranging from 61.0°C to 65.0°C, with a common literature value of 64.0°C · Purity: Most commercial suppliers offer the product at purities ≥97.0% (analyzed by HPLC) · Solubility: The compound is soluble in organic solvents such as toluene
Primary Applications: Bis(4-methacryloylthiophenyl) sulfide is primarily used as a specialty monomer for synthesizing high-refractive-index polymers (HRIPs). The incorporation of this compound into polymer chains enhances the material’s ability to bend light while maintaining high clarity, making it particularly valuable in the following fields: --Optical Materials & Lens Fabrication: It is a key component in producing high-performance lenses, including eyeglass lenses, where a high refractive index allows for thinner and lighter products. --Coatings & Adhesives: It is used in UV-curable coatings and structural adhesives to improve hardness, durability, and chemical resistance. --Electronics & Photoresists: Its bifunctional structure makes it an effective crosslinking agent for electronic encapsulation materials and photoresists in semiconductor manufacturing. --Biomedical Applications: It is utilized in the preparation of scaffolds for tissue engineering and drug-delivery systems, leveraging its ability to form biocompatible polymer networks.
Safe Handling and Storage: As with all fine chemicals, proper handling and storage are essential for safety and to maintain product integrity: · Storage Conditions: The product is heat-sensitive and should be stored in a refrigerator, ideally at temperatures between 2°C and 10°C. It should be kept in a tightly closed container. · Safety Classification: Classified with a GHS07 pictogram and "Warning" signal word. Hazard statements include H302 + H312 + H332 (Harmful if swallowed, in contact with skin, or if inhaled), H315 (Causes skin irritation), and H319 (Causes serious eye irritation). Recommended precautions include avoiding breathing dust and wearing protective gloves, clothing, and eye/face protection. Summary: Bis(4-methacryloylthiophenyl) sulfide (CAS 129283-82-5) is a specialty monomer most widely recognized for its use in developing high refractive index resins. With a high molecular weight of 386.55 g/mol and a unique structure that incorporates three sulfur atoms, this compound serves as a valuable building block in advanced material science and polymer chemistry. It is an essential sulfur-containing monomer in polymer chemistry. Its unique structure provides an exceptionally high refractive index, making it indispensable for producing advanced optical materials and high-performance coatings and adhesives. Product manager: Joy Wu Contact/Email: Joy@coreychem.com
