3-(Methacryloxyl)propyltrimethoxysilane  IOTA 5057

3-(Methacryloxyl)propyltrimethoxysilane  IOTA 5057


3-(Methacryloxyl)propyltrimethoxysilane  IOTA 5057

Product Code: IOTA 5057

Chinese Name: 3-(甲基丙烯酰氧)丙基三甲氧基硅烷;

English Name: 3-Methacryloxypropyltrimethoxysilane

Synonyms: 3-Trimethoxysilyl-propyl-methacrylate;[3-(Methacryloyloxy)propyl]trimethoxysilane;

Chemical Structure:  

Formula: C10H20O5Si 

Molecular Weight: 248.35 

CAS: 2530-85-0 

EINECS: 219-785-8 

Physical and Chemical Properties

Bp: 190ºC

Refractive Index: 1.43-1.432

Fp: 92ºC

Density: 1.045

Description: Colorless transparent liquid; Easy soluble in a variety of organic solvents, easy hydrolysis and condensation to form polysiloxane, easy polymerization under overheat, illumination and the existence of peroxide. 


1.Mainly used in unsaturated polyester composite material to improve the mechanical property, electric property, photic property, especially, greatly improve the wet property of composite material.
2.Imhibibition treatment (containing this coupling agent) to glass fiber, can improve the wet mechanical property and electric property of glass fiber reinforced composite material.
In wire and cable industry, when used to treat EPDM system stuffed by pottery clay and cross-linked by peroxide, it can improve consumption factor and specific inductance captance.
3.Polymerize with vinyl acetate and acrylic acid or methyl acrylic acid monomer. These polymers are widely used in coating, adhesive and sealing agent, providing good adhesion and durability.

Storage and Packing:

Must be sealed and kept in cool and ventilated place, away from water, heat and fire.
200kg closed steel drum packing. 

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