Trioctylphosphine oxide
Compounds
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Trioctylphosphine oxide is an organophosphorus compound with the formula OP(C₈H₁₇)₃. Frequently referred to as TOPO, this compound is used as an extraction or stabilizing agent. It is an air-stable white solid at room temperature. Wikipedia
Formula: C24H51OP
Boiling point: 767.8°F (408.8°C)
Molar mass: 386.645 g·mol−1
Melting point: 50 to 54 °C (122 to 129 °F; 323 to 327 K)
Appearance: White, opaque crystals
Flash point: 110 °C (230 °F; 383 K)
Hazard statements: H315, H318