3-MERCAPTOPROPYL TRIMETHOXYSILANE
PROSILANE™ SC-2300

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3-MERCAPTOPROPYL TRIMETHOXYSILANE

PROSILANE™ SC-2300

Product Description

3-Mercaptopropyl trimethoxysilane is an organosilane compound containing both a mercapto group (-SH) and a trimethoxy group (-SiOCH₃). This structure allows the compound to function as a coupling agent, enhancing the bonding between organic materials and inorganic surfaces such as metals, glass, and ceramics. The mercapto group can form strong covalent bonds with metal surfaces, improving corrosion resistance, while the trimethoxy group reacts with hydroxylated surfaces, facilitating adhesion. It is commonly used in surface modification, adhesives, sealants, and coatings. SC-2300 silane can be used as coupling agent to improve the adhesion of sulfur cured elastomers (polysulfide, polyurethane sealants) to inorganic fillers (such as silica, clay, glass, mica and talc etc.), fiberglass and surfaces. SC-2300 silane can be used to improve the properties of mineral filled elastomers, including modulus, tensile and tear strength, heat buildup, abrasion resistance, resilience, compression set and cure time. The silane can also be used as a pretreatment on minerals or the silane can be added at the time of compounding.

  • CAS#

    4420-74-0

  • ACRONYM

    MPTMS

  • Supplier

    Silsource Inc.

  • Formula

    C6H16O3SSi

  • Synonyms

    3-(Trimethoxysilyl)-1-propanethiol
    Mercaptopropyltrimethoxysilane
    3-Mercapto-1-propyltrimethoxysilane
    (3-Mercaptopropyl)trimethoxysilane(3-Thiopropyl)trimethoxysilane
    (gamma-Mercaptopropyl)trimethoxysilane
    3-(Trimethoxysilyl)propanethiol
    3-(Trimethoxysilyl)propyl mercaptan
    3-Mercaptopropyltrimethoxysilane
    A 189 (silicone)
    AZ 6129

TYPICAL PHYSICAL PROPERTIES

  • Boiling Point, °C

    213-215

  • Density, g/cm3

    1.057

  • Flash Point, °C

    93

  • Melting Point, °C

    <-50

  • Molecular Weight, g/mol

    196.34

  • Purity, %

    98

  • Refractive Index, n20/D

    1.450

  • Viscosity, cSt

    2

  • Appearance

    Colorless liquid

  • Pack Sizes

    Available in various pack sizes, please enquire with Sales Team

  • Storage & Shelf Life

    In the unopened original container, shelf life is 12 months. Keep container in a dry, temperature controlled and well-ventilated place.

Applications or Functions

  • Adhesives

  • Aerospace

  • Automotive

  • Biomedical

  • Building

  • Chemical Manufacturing

  • Coatings

  • Construction

  • Coupling Agents

  • Crosslinkers

  • Elastomer Manufacturing

  • Electronics & Electrical

  • Industrial Textiles

  • Mineral & Fiber Treatments

  • Moisture Scavengers

  • Mold Making

  • Oxidation Resistance

  • Paints

  • Paints & Coatings

  • Plastic Manufacturing

  • Primers

  • Protective Coatings

  • Resin Additives

  • Roof Coatings

  • Rubber Manufacturing

  • Sealants

  • Surface Treatments

  • Tire

  • Tire Manufacturing

  • Transportation


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