Description

Chloromethyldodecyldimethylsilane is a high-purity organosilicon compound, specifically a chloromethyl-functional alkylsilane. This chemical matters as a versatile intermediate and surface-modifying agent, prized for its ability to impart hydrophobic and reactive properties to materials. It is needed by manufacturers in the silicone, polymer, and advanced materials industries for creating specialized coatings, adhesives, and functionalized surfaces.

Application

• As a key intermediate in the synthesis of specialty silicone fluids and resins.
• As a surface modification agent for silica, glass, and other inorganic fillers to improve compatibility with organic polymer matrices.
• For the preparation of hydrophobic coatings on various substrates, including textiles, paper, and construction materials.
• In the manufacture of release agents and mold-making materials within the rubber and plastics industries.
• As a coupling agent or crosslinker in sealant, adhesive, and potting compound formulations.
• For research and development of novel organosilicon compounds with tailored properties.

Basic Information

Product Name	Chloromethyldodecyldimethylsilane
CAS No.	70851-47-7
Molecular Formula	C₁₅H₃₃ClSi
Molecular Weight	276.96 g/mol
Synonyms	Dodecyldimethylchloromethylsilane; (Chloromethyl)dodecyldimethylsilane; Dimethyldodecyl(chloromethyl)silane; Dodecyldimethylsilylmethyl chloride; Silane, chloromethyldodecyldimethyl-; 1-(Chloromethyl)-1,1-dimethyldodecylsilane
EINECS	Contact for details

Quality Control

Our Chloromethyldodecyldimethylsilane is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the specifications required for industrial and research applications. A Certificate of Analysis (COA) detailing purity, identity, and key physical properties is provided with every shipment.

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). This product is hygroscopic (moisture-sensitive) and should be handled under a dry atmosphere to prevent hydrolysis. Keep away from strong acids and incompatible organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Chlorine Content	Conforms to theoretical value
Refractive Index (n20D)	1.450 - 1.455
Density (20°C)	0.88 - 0.90 g/mL

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