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y-Mercaptopropyltrimethoxysilane - MPTMS

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y-Mercaptopropyltrimethoxysilane is an organosilane compound used in a variety of applications including surface modification and as a coupling agent in polymers and rubbers.

Product Details

Formula:

C6H16O3SSi

CAS Number:

4420-74-0

Also Known As:

Mercaptopropyltrimethoxysilane; 3-(Trimethoxysilyl)propane-1-thiol

Typical Specifications

Data is representative of average lots;
data taken from specific lots may vary.

Appearance

colorless liquid

Boiling Point, °C

213-215

Density, g/cm3

1.057

Flash Point, °C

87

Molecular weight, g/mol

196.32

Odor

sulfide-like

Purity, %

95

Refractive index, n20/D

1.444

COMMERCIAL REQUESTS ONLY

Store in a cool, dry place. Keep container tightly closed when not in use.
y-Mercaptopropyltrimethoxysilane is a versatile organosilane compound known for its unique chemical structure and functional properties. Featuring a mercapto functional group along with trimethoxysilyl functionalities, this compound serves as an effective coupling agent and surface modifier across various industries. Its primary role is to enhance adhesion between organic polymers and inorganic substrates, making it an invaluable component in the production of adhesives, sealants, and coatings. In the rubber and plastics industries, y-Mercaptopropyltrimethoxysilane is used to improve the mechanical properties and durability of composite materials. It acts as a potent crosslinking agent, lending enhanced abrasion resistance and tensile strength to silicone rubber applications. Additionally, it plays a crucial role in the surface treatment of minerals and fillers, optimizing dispersion and compatibility within polymer matrices. This organosilane also finds applications in the realm of electronics, where it is employed to create moisture-resistant coatings and insulation layers. Its ability to form stable covalent bonds with glass and metals facilitates the fabrication of high-performance electronic components with improved longevity and reliability. Overall, y-Mercaptopropyltrimethoxysilane is a key ingredient for industries seeking to improve the performance, durability, and adhesive qualities of their products, demonstrating its indispensability in the fields of materials science and engineering.

Structure:

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