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y-Mercaptopropyltriethoxysilane

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y-Mercaptopropyltriethoxysilane is a silane coupling agent used to improve adhesion between organic polymers and inorganic surfaces.

Product Details

Formula:

C9H22O3SSi

CAS Number:

14814-09-6

Also Known As:

3-Mercaptopropyltrimethoxysilane; 3-(Trimethoxysilyl)propanethiol; γ-MPTS

Typical Specifications

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

Appearance

Colorless to light yellow liquid

Boiling Point, °C

210-215

Density, g/cm3

0.997

Flash Point, °C

87

Molecular weight, g/mol

238.43

Odor

Sulfurous

Purity, %

98

Refractive index, n20/D

1.450

COMMERCIAL REQUESTS ONLY

Store in a cool, dry place in a tightly closed container. Avoid moisture and exposure to light.
y-Mercaptopropyltriethoxysilane is a versatile organosilane compound known for its unique chemical properties and wide range of applications. This silane features a thiol functional group that provides strong adhesion properties, making it an ideal coupling agent for enhancing the bond between inorganic substrates and organic polymers. Its triethoxysilane groups allow for easy hydrolysis and condensation, forming durable siloxane bonds with hydroxyl groups on surfaces such as glass, metals, and ceramics. Due to its reactive nature, y-Mercaptopropyltriethoxysilane is extensively used in the production of adhesives and sealants, as it significantly improves mechanical strength, moisture resistance, and durability. It is also employed in the rubber and plastics industries, where it acts as a crosslinking agent, enhancing the material''s elasticity and tensile strength. Furthermore, in coatings and paints, this silane provides superior adhesion and weather stability, ensuring long-lasting performance in demanding environments. Additionally, y-Mercaptopropyltriethoxysilane is utilized in the synthesis of functionalized silica and other hybrid materials, serving as a surface modifier to tailor the surface properties for specific applications. Whether used in construction, automotive, or electronics industries, y-Mercaptopropyltriethoxysilane plays a crucial role in improving product performance and extending the service life of various composite materials.

Structure:

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