Butyltrichlorosilane
Butyltrichlorosilane (CAS: 7521-80-4), with the linear formula CH3(CH2)3SiCl3 and a molecular weight of 191.56 g/mol, is a reactive organosilicon compound. It serves as a valuable intermediate in chemical synthesis, particularly in materials science and microelectronics. Its primary function is as a precursor in deposition processes and as a protecting group reagent in organic chemistry.
Surface Modification
Butyltrichlorosilane can be used to modify the surface properties of various materials, introducing butyl groups and altering hydrophobicity or reactivity. This is beneficial in applications requiring tailored surface characteristics.
Precursor for Thin Film Deposition
As a silicon-containing precursor, it is employed in the deposition of silicon-based thin films. This is relevant in the microelectronics industry for fabricating semiconductor devices.
Protecting Group Reagent
In organic synthesis, butyltrichlorosilane can act as a derivatizing or protecting agent for certain functional groups. This allows for selective reactions on complex molecules.
Chemical Synthesis Intermediate
It acts as a building block in the synthesis of more complex organosilicon compounds. Its reactive Si-Cl bonds readily undergo substitution reactions.
| Molecular weight | 191.56 |
|---|---|
| Linear formula | CH3(CH2)3SiCl3 |
| Assay | ≥98% |
| Grade | deposition grade |
| Form | liquid |
| Boiling point | 149 °C(lit.) |
| Density | 1.16 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.437(lit.) |
Hazard statements
- H226Flammable liquid and vapour
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 45 °C / 113 °F |
| Transport (UN / ADR) | UN 1747 3(8) / PGII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | C |
| Risk statements (R) | 10-14-34 |
| Safety statements (S) | 26-36/37/39-45 |
| Supplemental hazards | Reacts violently with water. |
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 Butyltrichlorosilane used for?
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Butyltrichlorosilane is primarily used in chemical synthesis as an intermediate, for surface modification, as a precursor in thin film deposition for microelectronics, and as a protecting group reagent in organic chemistry.
What is the CAS number and formula for Butyltrichlorosilane?
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The CAS number for Butyltrichlorosilane is 7521-80-4, and its linear formula is CH3(CH2)3SiCl3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Butyltrichlorosilane in deposition grade with an assay of ≥98%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should Butyltrichlorosilane be handled safely?
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Butyltrichlorosilane is a flammable liquid and reacts violently with water, causing severe skin burns and eye damage. Handle with extreme caution in a well-ventilated area, wearing appropriate personal protective equipment including gloves, goggles, a face shield, and a respirator. Avoid contact with water and moisture.
How is Butyltrichlorosilane packed, shipped, and exported?
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Butyltrichlorosilane is carefully packed in compliance with transport regulations for hazardous materials and is available for global export by Tech Serve Solutions.
How can I request a quote or sample for Butyltrichlorosilane?
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To request a quote or sample, please contact our sales team through the website or by phone, providing the product name and CAS number (7521-80-4).
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