78-50-2
Trioctylphosphine oxide
CAS: 78-50-2
Molecular Formula: C24H51OP
78-50-2 - Names and Identifiers
| Name | Trioctylphosphine oxide |
| Synonyms | TOPO CYANEX 921 HISHICOLIN PO-8 trioctylphosphane oxide Trioctylphosphine oxide TRI-N-OCTYLPHOSPHINOXIDE TRI-N-OCTYLPHOSPHINE OXIDE Tri-n-octylphosphine oxide Phosphine oxide, trioctyl- phosphorane, trioctyl-, oxide |
| CAS | 78-50-2 |
| EINECS | 201-121-3 |
| InChI | InChI=1/C24H51OP/c1-4-7-10-13-16-19-22-26(25,23-20-17-14-11-8-5-2)24-21-18-15-12-9-6-3/h4-24H2,1-3H3 |
78-50-2 - Physico-chemical Properties
| Molecular Formula | C24H51OP |
| Molar Mass | 386.63 |
| Density | 0,88 g/cm3 |
| Melting Point | 50-52°C(lit.) |
| Boling Point | 201-202°C2mm Hg(lit.) |
| Flash Point | >230°F |
| Water Solubility | Insoluble |
| Solubility | <1g/l |
| Vapor Presure | 0.004Pa at 50℃ |
| Appearance | White crystalline powder |
| Color | White to slightly yellow |
| BRN | 1796648 |
| Storage Condition | Store below +30°C. |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Refractive Index | 1.447 |
| MDL | MFCD00002083 |
| Use | Used as extractant and solvent |
78-50-2 - Risk and Safety
| Risk Codes | R38 - Irritating to the skin R41 - Risk of serious damage to eyes R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R34 - Causes burns |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/39 - S39 - Wear eye / face protection. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S60 - This material and its container must be disposed of as hazardous waste. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | 3261 |
| WGK Germany | 2 |
| RTECS | SZ1662500 |
| TSCA | Yes |
| HS Code | 29310095 |
| Packing Group | II |
| Toxicity | LD50 orally in Rabbit: > 10000 mg/kg LD50 dermal Rat 2830 mg/kg |
78-50-2 - Reference Information
Open Data Unverified Data
| LogP | 9.54 |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | as extractant and solvent for extraction of metal and hydrogen bonded organic compounds. |
| autoignition temperature | 270°C |
Last Update：2024-08-14 11:13:41
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