Trioctylphosphine oxide, GR 99%+
Trioctylphosphine oxide, GR 99%+ (CAS 78-50-2) supplier Zemixal: C24H51OP, COA and SDS with every lot, worldwide shipping.
About Trioctylphosphine oxide, GR 99%+
Zemixal supplies Trioctylphosphine oxide, GR 99%+ within its inorganic Chemicals, Metals & Advanced Materials portfolio. Identity at a glance (AR): CAS 78-50-2, formula C24H51OP and molar mass 386.6 g/mol. Expect white powder or crystals.
Use cases we see most often
- Cross-coupling reactions
- Homogeneous catalysis
- Asymmetric synthesis
- Coordination chemistry
Storage and safety notes
Literature values: melting point 52-57 °C and boiling point 201-202 °C. It carries the GHS signal word Danger (H315, H317 and H318), so wear gloves and eye protection and work with good ventilation.
Available as 10 g, 25 g, 100 g and 1 kg. Larger or split packs can be arranged. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Cross-coupling reactions
- Homogeneous catalysis
- Asymmetric synthesis
- Coordination chemistry
Applications
Grade guides
Specifications and identifiers
| Product name | Trioctylphosphine oxide, GR 99%+ |
|---|---|
| Catalogue number | ZX-017726 |
| CAS number | 78-50-2 |
| IUPAC name | 1-dioctylphosphoryloctane |
| Molecular formula | C24H51OP |
| Molar mass | 386.6 g/mol |
| Exact mass | 386.3678 |
| Grade | AR |
| Purity / assay | ≥99% |
| Physical form | Crystalline |
| Appearance | White powder or crystals |
| Melting point | 52-57 °C |
| Boiling point | 201-202 °C |
| XLogP3 | 9.6 |
| H-bond donors / acceptors | 0 / 1 |
| Topological polar surface area | 17.1 Ų |
| HS code | 29319090 |
| InChIKey | ZMBHCYHQLYEYDV-UHFFFAOYSA-N |
| SMILES | CCCCCCCCP(=O)(CCCCCCCC)CCCCCCCC |
| PubChem CID | 65577 |
| Synonyms | TOPO, Tri-n-octylphosphine oxide, Phosphine oxide, trioctyl-, Cyanex 921, Hostarex PX 324, Trioctyl phosphine oxide, 1-(dioctylphosphoryl)octane, C24H51OP, trioctylphosphino-1-one, tri-n-octylphosphineoxide, (OCT)3PO, Trioctyl(oxo)-lambda~5~-phosphane |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H318Causes serious eye damage
Precautionary statements P261, P264, P264 + P265, P272, P280, P302 + P352, P305 + P354 + P338, P317, P321, P332 + P317, P333 + P317, P362 + P364, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 10 g | Quoted on request | |
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 1 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Trioctylphosphine oxide, GR 99%+
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Other grades with CAS 78-50-2
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