Description

Dodecylsilane CAS NO 872-19-5 is a high-purity organosilicon compound featuring a long-chain alkyl group. This chemical is a crucial intermediate and surface modification agent, valued for its ability to impart hydrophobic properties to inorganic materials. It is essential for manufacturers and R&D teams in the specialty chemicals, advanced materials, and electronics sectors seeking to enhance product performance through tailored surface chemistry.

Application

• Surface Modification Agent: Imparts hydrophobic and oleophobic properties to silica, glass, and metal oxide nanoparticles for use in coatings and composites.
• Silicone Intermediate: Serves as a key building block in the synthesis of specialty silicone oils, resins, and elastomers with long alkyl side chains.
• Adhesion Promoter: Enhances the bonding between organic polymers and inorganic substrates in sealants, adhesives, and composite materials.
• Nanomaterial Functionalization: Used to modify the surface of quantum dots, mesoporous silica, and other nanomaterials to control dispersion and reactivity.
• Water Repellent Treatments: A precursor for creating durable water-repellent finishes on textiles, construction materials, and paper.
• Chemical Vapor Deposition (CVD): Employed as a molecular precursor for depositing thin silicon-containing films in semiconductor and optical device fabrication.

Basic Information

Product Name	Dodecylsilane
CAS No.	872-19-5
Molecular Formula	C₁₂H₂₈Si
Molecular Weight	200.44 g/mol
Synonyms	Dodecylsilane; n-Dodecylsilane; Dodecyl silane; Monododecylsilane; Silane, dodecyl-; Laurylsilane; n-Dodecylmonosilane; 1-Silyldodecane
EINECS	212-819-6

Quality Control

Our Dodecylsilane is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including gas chromatography (GC) and nuclear magnetic resonance (NMR), to ensure high chemical purity and identity. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee consistency and compliance with your technical requirements.

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 material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to exclude moisture. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (20°C)	0.78 - 0.82 g/mL
Refractive Index (n20D)	1.435 - 1.445
Water Content (KF)	≤ 0.1%

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