Triphenylphosphine oxide, 98%
Triphenylphosphine oxide, 98% (CAS 791-28-6) supplier Zemixal: C18H15OP, COA and SDS with every lot, worldwide shipping.
About Triphenylphosphine oxide, 98%
Triphenylphosphine oxide, 98% sits in our metal Catalysts & Ligands section and ships worldwide from stock or short lead time. Key data (98%): CAS 791-28-6, formula C18H15OP and molar mass 278.3 g/mol. Typical appearance is white to orange to green powder.
Common uses in the lab and plant
- Cross-coupling reactions
- Homogeneous catalysis
- Asymmetric synthesis
- Organic synthesis
Handling and storage
Literature values: melting point 150-157 °C. Classified under GHS with signal word Warning and hazard statements H302, H315, H319 and H335. Read the SDS before first use.
Standard pack sizes are 25 g, 100 g, 500 g, 1 kg and 25 kg, and custom quantities are quoted on request. Every shipment includes a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Cross-coupling reactions
- Homogeneous catalysis
- Asymmetric synthesis
- Organic synthesis
Applications
Specifications and identifiers
| Product name | Triphenylphosphine oxide, 98% |
|---|---|
| Catalogue number | ZX-017729 |
| CAS number | 791-28-6 |
| IUPAC name | diphenylphosphorylbenzene |
| Molecular formula | C18H15OP |
| Molar mass | 278.3 g/mol |
| Exact mass | 278.0861 |
| Purity / assay | 98% |
| Physical form | Powder |
| Appearance | White to orange to green powder |
| Melting point | 150-157 °C |
| XLogP3 | 2.8 |
| H-bond donors / acceptors | 0 / 1 |
| Topological polar surface area | 17.1 Ų |
| HS code | 29319090 |
| InChIKey | FIQMHBFVRAXMOP-UHFFFAOYSA-N |
| SMILES | C1=CC=C(C=C1)P(=O)(C2=CC=CC=C2)C3=CC=CC=C3 |
| PubChem CID | 13097 |
| Synonyms | Ph3PO, TPPO, Triphenyl phosphorus oxide, Triphenylphosphine monoxide, Phosphine oxide, triphenyl-, Triphenyl phosphine oxide, phosphorane, triphenyl-, oxide, triphenylphosphane oxide, Triphenylphosphineoxide, (diphenylphosphoroso)benzene, triphenylphosphinoxide, Triphenylphosphanoxide |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H412Harmful to aquatic life with long lasting effects
Precautionary statements P261, P264, P264 + P265, P270, P271, P273, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, 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
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 500 g | Quoted on request | |
| 1 kg | Quoted on request | |
| 25 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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- MW
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