3-(Trimethoxysilyl)propyl acrylate
3-(Trimethoxysilyl)propyl acrylate (CAS: 4369-14-6) is an organosilicon compound with the linear formula H₂C=CHCO₂(CH₂ )₃Si(OCH₃)₃. This silane coupling agent features a reactive acrylate group and trimethoxysilyl functionality, making it valuable for modifying surfaces and synthesizing polymers. It is widely employed in the chemical industry for applications requiring adhesion promotion, crosslinking, and the introduction of acrylate functionality onto inorganic or organic substrates.
- IUPAC
- (3-Acryloyloxypropyl)trimethoxysilane
- Synonyms
- (3-Acryloyloxypropyl)trimethoxysilane
Surface Modification
Utilised to impart hydrophobicity or to create reactive surfaces on inorganic materials like glass, silica, or metal oxides. This allows for improved compatibility with organic polymers and resins.
Adhesion Promotion
Acts as a coupling agent between inorganic fillers (e.g., silica, glass fibres) and organic polymer matrices. This enhances the mechanical properties and durability of composites.
Polymer Synthesis
Incorporated into polymer chains to introduce pendant trimethoxysilyl groups, enabling subsequent crosslinking reactions or further functionalization. This is important in coatings, adhesives, and sealants.
Crosslinking Agent
The trimethoxysilyl groups can hydrolyse and condense, forming siloxane networks that crosslink organic polymers, improving their thermal and mechanical stability.
| Molecular weight | 234.32 |
|---|---|
| Linear formula | H2C=CHCO2(CH2)3Si(OCH3)3 |
| Assay | 92% |
| Grade | technical |
| Boiling point | 68 °C/0.4 mmHg(lit.) |
| Density | 1.055 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.429(lit.) |
| Contains / stabiliser | 100 ppm BHT as inhibitor |
Hazard statements
- H314Causes severe skin burns and eye damage
- H317May cause an allergic skin reaction
- H332Harmful if inhaled
- H412Harmful to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 123 °C / 253.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 37/38-41 |
| Safety statements (S) | 26-39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 3-(Trimethoxysilyl)propyl acrylate used for?
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It is primarily used as a surface modifier, adhesion promoter, and in polymer synthesis and crosslinking, due to its dual acrylate and trimethoxysilyl functionality.
What is the CAS number and formula for 3-(Trimethoxysilyl)propyl acrylate?
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The CAS number is 4369-14-6 and the linear formula is H₂C=CHCO₂(CH₂ )₃Si(OCH₃)₃.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product as a technical grade with an assay of 92%. We do not represent it as USP, BP, or EP grade.
How should 3-(Trimethoxysilyl)propyl acrylate be handled safely?
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This compound is corrosive and may cause severe skin burns and eye damage (H314), and can cause allergic skin reactions (H317) and respiratory irritation (H332). Appropriate personal protective equipment, including eyeshields, gloves, and a respirator, must be used. Handle in a well-ventilated area.
Is 3-(Trimethoxysilyl)propyl acrylate a controlled substance?
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The provided data does not indicate that this substance is a controlled substance.
How is 3-(Trimethoxysilyl)propyl acrylate packed, shipped, or exported?
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As a global supplier, Tech Serve Solutions adheres to all relevant shipping regulations for chemical export. Specific packaging details are available upon request.
How can I request a sample or quote for 3-(Trimethoxysilyl)propyl acrylate?
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Please contact our sales team directly via phone or email to request a sample or a formal quotation.
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