Trimethyl(phenyl)tin
Trimethyl(phenyl)tin (CAS: 934-56-5; Formula: C₆H₅Sn(CH₃)₃; MW: 240.92) is an organotin compound. It serves as a precursor in materials science, micro/nanoelectronics, and chemical synthesis, particularly for applications involving vapor deposition techniques. Its organometallic nature also positions it as a reagent in specific chemical transformations. Tech Serve Solutions supplies this compound for research and industrial applications requiring precise organometallic chemistry.

Chemical Synthesis
Used as an organometallic reagent in various chemical synthesis pathways. Its structure allows for the introduction of phenyl and trimethyltin moieties into target molecules.
Materials Science
Serves as a precursor for the deposition of tin-containing thin films and materials. Applicable in the development of novel materials with specific electronic or optical properties.
Micro/Nanoelectronics
Employed as a precursor in Chemical Vapor Deposition (CVD) and Atomic Layer Deposition (ALD) processes for fabricating microelectronic and nanodevices. Facilitates the deposition of tin or tin-containing layers.
Organotin Chemistry
A key compound in the study and application of organotin chemistry, contributing to research in catalysis, polymer science, and other organometallic fields.
| Molecular weight | 240.92 |
|---|---|
| Linear formula | C6H5Sn(CH3)3 |
| Assay | 98% |
| Boiling point | 88 °C/16 mmHg(lit.) |
| Density | 1.327 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5357(lit.) |
| Melting point | −51 °C(lit.) |


Hazard statements
- H300Fatal if swallowed
- H310Fatal in contact with skin
- H330Fatal if inhaled
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P264Wash thoroughly after handling
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P284Wear respiratory protection
- P301IF SWALLOWED
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 76 °C / 168.8 °F |
| Transport (UN / ADR) | UN 2788 6.1 / PGIII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | T+,N |
| Risk statements (R) | 26/27/28-50/53 |
| Safety statements (S) | 26-27-28-45-60-61 |
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 Trimethyl(phenyl)tin used for?
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Trimethyl(phenyl)tin is used as a precursor in Chemical Vapor Deposition (CVD) and Atomic Layer Deposition (ALD) for micro/nanoelectronics and materials science, and as an organometallic reagent in chemical synthesis.
What is the CAS number and chemical formula for Trimethyl(phenyl)tin?
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The CAS number is 934-56-5 and the chemical formula is C₆H₅Sn(CH₃)₃.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Trimethyl(phenyl)tin with an assay of 98%. This product is intended for research and industrial applications and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should Trimethyl(phenyl)tin be handled safely?
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Trimethyl(phenyl)tin is highly toxic if swallowed, in contact with skin, or if inhaled (H300-H310-H330), and is toxic to aquatic life with long-lasting effects (H410). Handle with extreme care using appropriate personal protective equipment, including gloves, eye protection, and a respirator. Ensure adequate ventilation.
How is Trimethyl(phenyl)tin packed, shipped, and exported?
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Trimethyl(phenyl)tin is packed according to UN 2788, Class 6.1, Packing Group III regulations for safe transport. Tech Serve Solutions is experienced in exporting chemicals globally, adhering to all relevant international shipping and customs regulations.
How can I request a quote or sample of Trimethyl(phenyl)tin?
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To request a quote or sample, please contact the Tech Serve Solutions sales team via our website or by phone. Provide the product name and CAS number (934-56-5).
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