n-Propylmethyldimethoxysilane

n-Propylmethyldimethoxysilane is an organosilicon compound with the chemical formula C₆H₁₆O₂Si and CAS No. 18173-73-4. It appears as a colorless liquid, with a molecular weight of 148.2755, density of 0.842 g/cm³, boiling point of 120.6°C, and flash point of 9.2°C. Primarily used as a silane coupling agent, n-propylmethyldimethoxysilane improves adhesion between organic and inorganic materials, and finds wide applications in industrial products such as coatings, adhesives, and plastics.

Basic Information:

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Chemical Name:n-Propylmethyldimethoxysilane

●  Synonyms:dimethoxymethylpropyl silane ,Propylmethyldimethoxysilane

● CAS Number: 18173-73-4

● EINECS Number: 225-931-1

Molecular Weight: 148.28

Molecular Formula: C₆H₁₆O₂Si

Chemical Structure:

Physical Properties:

● Density: 0.842 g/cm³

● Boiling Point: 120.6°C

● Flash Point: 9.2°C

● Appearance: Colorless transparent liquid

● Purity: ≥98%

Applications:

n-Propylmethyldimethoxysilane is a difunctional silane with relatively low surface tension. It can be used as a surfactant and as a dispersant in surface treatment and coating applications, enhancing the adhesion and corrosion resistance of coatings. It is also employed in the production of silicone resins and other organosilicon polymers.

Packaging and Storage:

● 20 kg carton containing four 5 kg plastic pails

● 200 kg PVF steel or plastic drums

● 1,000 kg IBC totes

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