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γ-Methacryloxypropyl trimethoxysilane

CHEMICAL NAME: γ-Methacryloxypropyl trimethoxysilane
CAS NO.: 2530-85-0
Synonyms: Methacrylicacid, 3-(trimethoxysilyl)propyl ester (8CI); (3-Methacryloxypropyl) trimethoxysilane; 2-Methyl-2-propenoic acid 3-(trimethoxysilyl)propyl ester; A-174 (coupling agent);AZ6167;U 511;Unisilan 511;Z 6530;γ-Methacryloxypropyltrimethoxysilane; Dynasylan MEMO-E; Geniosil GF 31; KBM 503; KBM 508; KH-570; LS 3380;M 8550KG;MOPS-M;NUCA 174; Prosil 248;
  • NJK-570


  • OS-08


ENERGYCO CODE: NJK- 570        

CHEMICAL NAME: γ-Methacryloxypropyl trimethoxysilane

CAS NO.: 2530-85-0



Base Information

Chemical Name:3-Methacryloxypropyltrimethoxysilane

CAS No.:2530-85-0

Molecular Formula:C10H20O5Si

Molecular Weight:248.351

EINECS No.:219-785-8

Hs Code.:29161290

Mol file:2530-85-0.mol

Synonyms: Methacrylicacid, 3-(trimethoxysilyl)propyl ester (8CI);(3-Methacryloxypropyl)trimethoxysilane;2-Methyl-2-propenoic acid 3-(trimethoxysilyl)propyl ester; A-174 (coupling agent);AZ6167;U 511;Unisilan 511;Z 6530;γ-Methacryloxypropyltrimethoxysilane;Dynasylan MEMO-E;Geniosil GF 31;KBM 503;KBM 508;KH-570;LS 3380;M 8550KG;MOPS-M;NUCA 174;Prosil 248;

Chemical Property of 3-Methacryloxypropyltrimethoxysilane

Chemical Property:

Appearance/Colour: colorless transparent liquid 

Vapor Pressure:0.089mmHg at 25deg;C 

Melting Point:<-50 deg;C 

Refractive Index:n20/D 1.431(lit.)  

Boiling Point:258.7 deg;C at 760 mmHg 

Flash Point:92 deg;C 


Density:1.006 g/cm3 


Storage Temp.:2-8 deg;C 

Sensitive.: Moisture Sensitive 

Water Solubility.: Miscible with water. 

Purity/Quality: 97.0% min, 98%min, 99%min


Safty Information:


Hazard Codes:Xi,Xn 


Safety Statements:26-28-37/39 


Introduction 3-Methacryloxypropyltrimethoxysilane is a methacryl-functional silane, it is a clear, light and heat sensitive liquid with a faintly sweet odour. 3-Methacryloxypropyltrimethoxysilane is used as adhesion promoter at organic/inorgainc interfaces, as surface modifier (e.g. imparting water repellency, organophilic surface adjustment) or as crosslinking of polymers). It is used as a coupling agent to improve the physical and electrical properties of glass-reinforced and mineral-filled thermosetting resins under exposure to heat and/or moisture. It is typically employed as a blend additive in resin systems that cure via a free radical mechanism (e.g. polyester, acrylic) and in filled or reinforced thermoplastic polymers, including polyolefins and polyurethanes. It is also used to functionalize resins via radical initiated processes - copolymerization or grafting - and to modify surfaces. Applications: 3-Methacryloxypropyltrimethoxysilane can improve strength as glass fiber size composite in reinforced polyester composites. Enhance initial and wet strength of reinforced polyester resin composites. Enhance the wet electrical properties of many mineral-filled and reinforced composites. Crosslinked acrylic type resins can improve adhesion and durability of adhesives and coatings.

Chemical PropertiesColorless transparent liquid

Uses3-(Methacryloyloxy)propyltrimethoxysilane (MPS) acts as a functional comonomer, which is used to prepare polystyrene latex having silanol by emulsion polymerization. It is used in the preparation of polymers in association with other monomers like vinyl acetate, acrylic acid and methyl acrylic acid used in coating, adhesive and sealing agents, which provides excellent adhesion and durability. The composite materials made from unsaturated polyester by using MPS improve mechanical property.

General Description3-(Trimethoxysilyl)propyl methacrylate (TMSPMA) is a hydrophobic monomer. The presence of an additional functional group of acrylate facilitates TMSPMA for grafting polymerization on plastic surfaces. 3-(Trimethoxysilyl)propyl methacrylate undergoes first-order kinetic polymerization to form polyTMSPMA, which is a moisture stable polymer.

Flammability and Explosibility Not classified


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