(3-Chloropropyl)triethoxysilane
(3-Chloropropyl)triethoxysilane (CAS 5089-70-3) is an organosilicon compound with the linear formula ClCH2CH2CH2Si(OCH2CH3)3 and a molecular weight of 240.80 g/mol. This clear liquid serves as a versatile intermediate in chemical synthesis, particularly for modifying surfaces and creating functionalized materials. Its reactive chloropropyl group and hydrolyzable ethoxysilane groups allow for diverse chemical transformations and coupling applications.
Surface Modification
Used to functionalize surfaces by covalently bonding through its silane groups, introducing chloropropyl functionality for further reactions.
Chemical Synthesis Intermediate
Acts as a key building block in organic synthesis, enabling the introduction of a propyl chloride moiety onto various substrates.
Coupling Agent
Can serve as a coupling agent to improve adhesion between organic polymers and inorganic materials, leveraging its dual functionality.
Material Science
Employed in the development of new materials, including functionalised silicas and hybrid organic-inorganic polymers.
| Molecular weight | 240.80 |
|---|---|
| Linear formula | ClCH2CH2CH2Si(OCH2CH3)3 |
| Assay | 95% |
| Density | 1.000 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.418(lit.) |
Hazard statements
- H226Flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Flash point | 37 °C / 98.6 °F |
|---|---|
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 16-26-36 |
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-Chloropropyl)triethoxysilane used for?
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This compound is primarily used as an intermediate in chemical synthesis, for surface modification, and as a coupling agent in material science.
What is the CAS number and formula for (3-Chloropropyl)triethoxysilane?
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The CAS number is 5089-70-3, and its linear formula is ClCH2CH2CH2Si(OCH2CH3)3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (3-Chloropropyl)triethoxysilane with an assay of 95%. This is typically considered a technical or research grade, and TSS does not represent it as USP, BP, or EP grade.
How should (3-Chloropropyl)triethoxysilane be handled safely?
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This compound is flammable and can cause skin and serious eye irritation. Handle in a well-ventilated area, away from heat and ignition sources, and wear appropriate protective gloves and eye protection (P305 + P351 + P338).
Is (3-Chloropropyl)triethoxysilane a controlled substance?
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Based on the provided data, there is no indication that (3-Chloropropyl)triethoxysilane is a controlled substance.
How is (3-Chloropropyl)triethoxysilane shipped?
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(3-Chloropropyl)triethoxysilane is classified under UN 1993, Class 3, Packing Group III, indicating it is shipped as a flammable liquid.
How can I request a sample or quote?
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Please contact the Tech Serve Solutions sales team directly via our website or by phone to request a sample or a quotation for (3-Chloropropyl)triethoxysilane.
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