Tributyl phosphite
Tributyl phosphite (CAS: 102-85-2) is an organophosphorus compound with the formula [CH3(CH2)3O]3P and a molecular weight of 250.31 g/mol. This chemical serves as a versatile building block and reagent in organic synthesis. Its primary applications lie in its role as a stabilizer, antioxidant, and intermediate in the production of other chemical compounds.
![Tributyl phosphite ([CH3(CH2)3O]3P) — chemical structure, CAS 102-85-2; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F102-85-2.png&w=3840&q=75)
Stabilizer and Antioxidant
Tributyl phosphite acts as an effective stabilizer and antioxidant in various polymer and organic formulations. It helps to prevent degradation caused by oxidation and heat, extending the lifespan of materials.
Intermediate in Organic Synthesis
The compound is utilized as a key intermediate in the synthesis of more complex organic molecules. Its reactivity allows for diverse chemical transformations in the development of fine chemicals and pharmaceutical precursors.
Precursor for Phosphorous Compounds
Tributyl phosphite can be employed as a starting material for the preparation of other organophosphorus compounds, contributing to advancements in materials science and catalysis.
| Molecular weight | 250.31 |
|---|---|
| Linear formula | [CH3(CH2)3O]3P |
| Assay | 90% |
| Boiling point | 118-125 °C/7 mmHg(lit.) |
| Density | 0.925 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.431(lit.) |
Hazard statements
- H312Harmful in contact with skin
- 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 | 98 °C / 208.4 °F |
| Transport (UN / ADR) | UN 3265 8 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 21-34 |
| Safety statements (S) | 26-36/37/39-45 |
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 Tributyl phosphite used for?
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Tributyl phosphite is primarily used as a stabilizer, antioxidant, and an intermediate in organic synthesis for producing various chemical compounds.
What are the CAS number and formula for Tributyl phosphite?
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The CAS number for Tributyl phosphite is 102-85-2, and its linear formula is [CH3(CH2)3O]3P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tributyl phosphite with an assay of 90%. We do not represent this product as USP, BP, or EP grade.
What are the primary hazards associated with Tributyl phosphite?
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Tributyl phosphite is classified as corrosive and harmful if swallowed or in contact with skin (H312-H314). It requires careful handling with appropriate personal protective equipment, including gloves, goggles, and respiratory protection.
How is Tributyl phosphite packed, shipped, and exported?
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Tributyl phosphite is packed in compliance with UN 3265 regulations (Class 8, PG III) for safe transportation. TSS exports globally, adhering to all international shipping standards for hazardous materials.
How can I request a quote or sample for Tributyl phosphite?
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To request a quote or sample for Tributyl phosphite, please contact our sales team through the website or direct inquiry channels.
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