Tris(trimethylsilyl) phosphite
Tris(trimethylsilyl) phosphite (CAS: 1795-31-9), with the formula [(CH3)3SiO]3P and a molecular weight of 298.54 g/mol, is a versatile organophosphorus compound. It serves as a valuable building block in organic synthesis and is frequently employed in the preparation of various chemical compounds. Its specific properties make it useful in applications requiring phosphorus incorporation and silyl protection strategies.
![Tris(trimethylsilyl) phosphite ([(CH3)3SiO]3P) — chemical structure, CAS 1795-31-9; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F1795-31-9.png&w=3840&q=75)
Organic Synthesis Intermediate
Tris(trimethylsilyl) phosphite acts as a key intermediate in complex organic syntheses. Its structure allows for controlled reactions, facilitating the introduction of phosphorus-containing functional groups.
Reagent in Phosphorus Chemistry
This compound is utilized as a reagent in reactions involving phosphorus, offering a convenient source of phosphite functionality. It is valuable for creating novel organophosphorus compounds and materials.
Protecting Group Chemistry
The trimethylsilyl groups within the molecule can participate in protecting group strategies during multi-step syntheses. This enables chemists to selectively functionalize other parts of a molecule before deprotection.
| Molecular weight | 298.54 |
|---|---|
| Linear formula | [(CH3)3SiO]3P |
| Assay | ≥95.0% (GC) |
| Boiling point | 78-81 °C/8 mmHg(lit.) |
| Density | 0.893 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.409(lit.) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/38 |
| Safety statements (S) | 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 Tris(trimethylsilyl) phosphite used for?
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Tris(trimethylsilyl) phosphite is primarily used as a building block and intermediate in organic synthesis, particularly in phosphorus chemistry and for applications involving silyl protecting groups.
What is the CAS number and formula for Tris(trimethylsilyl) phosphite?
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The CAS number is 1795-31-9, and the chemical formula is [(CH3)3SiO]3P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tris(trimethylsilyl) phosphite with an assay of ≥95.0% (GC). This is a technical/research grade, and we do not represent it as USP, BP, or EP grade.
How should Tris(trimethylsilyl) phosphite be handled safely?
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Tris(trimethylsilyl) phosphite is classified as a Warning hazard, causing skin irritation (H315) and serious eye irritation (H319). Appropriate personal protective equipment, including eyeshields and gloves, must be worn. Ensure adequate ventilation and follow recommended safety protocols for handling irritant chemicals.
How is Tris(trimethylsilyl) phosphite packed and shipped?
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Tris(trimethylsilyl) phosphite is packed according to industry standards to ensure safe transport and is exported globally by Tech Serve Solutions.
How can I request a sample or quote for Tris(trimethylsilyl) phosphite?
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To request a sample or obtain a quote for Tris(trimethylsilyl) phosphite, please contact our sales department through the website or via direct inquiry.
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