Description

Dimethyldiisothiocyanatosilane is a specialized organosilicon compound featuring reactive isothiocyanate groups. This chemical is valued for its role as a versatile intermediate in the synthesis of advanced materials, particularly in the field of surface modification and polymer cross-linking. It is primarily sought by manufacturers in the specialty chemical, advanced material science, and pharmaceutical intermediate sectors for developing high-performance coatings, adhesives, and functional polymers.

Application

• Surface Modification Agent: Used to functionalize silica, glass, and other inorganic surfaces to impart specific chemical properties.
• Polymer Cross-linking Intermediate: Serves as a key building block in the synthesis of cross-linked polymers and resins for enhanced thermal and mechanical stability.
• Adhesive and Sealant Formulations: Incorporated to improve adhesion properties and chemical resistance in high-performance industrial adhesives.
• Pharmaceutical Intermediate: Utilized in the research and development of novel active pharmaceutical ingredients (APIs) and drug delivery systems.
• Specialty Coating Precursor: Acts as a precursor for creating thin-film coatings with tailored surface characteristics for optical or electronic applications.
• Chemical Vapor Deposition (CVD): Employed as a silicon-containing precursor for depositing thin films in semiconductor and microelectronics fabrication.

Basic Information

Product Name	Dimethyldiisothiocyanatosilane
CAS No.	13125-51-4
Molecular Formula	C4H6N2S2Si
Molecular Weight	174.33 g/mol
Synonyms	Dimethylbis(isothiocyanato)silane; Diisothiocyanatodimethylsilane; Dimethyl Silicon Diisothiocyanate; Silane, dimethyldiisothiocyanato-; NSC 163959; Bis(isothiocyanato)dimethylsilane; Dimethyl Diisothiocyanato Silane
EINECS	236-058-1

Quality Control

Our Dimethyldiisothiocyanatosilane is manufactured under stringent quality control protocols to ensure batch-to-batch consistency and high purity. Production adheres to cGMP guidelines where applicable, and each lot is supported by a comprehensive Certificate of Analysis (COA). The COA details critical parameters including assay, identity confirmation, and impurity profiles, providing full traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at temperatures between 2°C and 8°C. This compound is easily oxidized and highly volatile; it must be stored under an inert atmosphere (e.g., nitrogen or argon) to maintain stability and prevent degradation. Keep away from strong bases and organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	1.15 - 1.25 g/cm³
Refractive Index (n20D)	1.550 - 1.570

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