Description

Dimethylmethoxy-n-Propylsilane is a versatile organosilicon compound, also known as 3-(Dimethylmethoxysilyl)-1-propane. This chemical serves as a crucial coupling agent and reactive intermediate in advanced material synthesis. It is primarily utilized in the silicone, polymer, and coatings industries to modify surfaces, enhance adhesion, and introduce functional groups. Its unique structure provides a balance of reactivity and stability for demanding applications.

Application

• Silicone Resin & Polymer Modification: Acts as a cross-linking agent or chain extender in the production of specialty silicones and silane-modified polymers (SMP).
• Surface Treatment & Adhesion Promotion: Used as a primer or additive in coatings, sealants, and adhesives to improve bonding to substrates like glass, metals, and minerals.
• Synthesis of Functional Silanes: Serves as a key intermediate for manufacturing more complex organosilicon compounds and specialty chemicals.
• Filler & Pigment Treatment: Enhances the compatibility and dispersion of inorganic fillers (e.g., silica, calcium carbonate) in organic polymer matrices.
• Hydrophobic Coatings: Imparts water-repellent properties to surfaces in construction materials and protective coatings.
• Electronics & Semiconductor Precursors: Used in the deposition of silicon-containing thin films and in the formulation of electronic-grade materials.

Basic Information

Product Name	Dimethylmethoxy-n-Propylsilane
CAS No.	18182-14-4
Molecular Formula	C6H16OSi
Molecular Weight	132.28 g/mol
Synonyms	3-(Dimethylmethoxysilyl)-1-propane; (3-Methoxypropyl)dimethylsilane; Dimethyl(3-methoxypropyl)silane; Methoxypropyldimethylsilane; 1-Propanamine, 3-(dimethylmethoxysilyl)-; 3-(Dimethylmethoxysilyl)propane; n-Propylmethoxydimethylsilane; MPDMS
EINECS	242-080-8

Quality Control

Our Dimethylmethoxy-n-Propylsilane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including gas chromatography (GC) for purity and identity verification, to ensure it meets precise specifications. Certificates of Analysis (COA) detailing all quality parameters are provided with every shipment. We adhere to relevant industry standards and can support compliance requirements for global markets.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C/59-77°F). Due to its highly volatile and easily oxidized nature, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) and keep away from heat, sparks, and open flames. Keep container tightly sealed when not in use to prevent moisture absorption and evaporation.

Specification

Item	Specification
Appearance	Colorless clear liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Density (20°C)	0.80 - 0.85 g/mL
Refractive Index (n20/D)	1.405 - 1.415
Water Content (KF)	≤ 0.1%

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