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Product Name:PHOSPHINE
CAS:7803-51-2
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Product Name:Phosphine
CAS:7803-51-2
Purity:electronic grade, >=99.9995% Package:50G |
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Product Name:Phosphine
CAS:7803-51-2
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Product Name:Phosphine
CAS:7803-51-2
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CAS:7803-51-2
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| | Phosphine Basic information |
| | Phosphine Chemical Properties |
| bp | −87.5 °C(lit.)
| | vapor density | 1.15 (vs air)
| | Merck | 13,7424 | | Stability: | Stable, but pyrophoric - spontaneously flammable in air. Note the very wide explosion limits. Incompatible with oxidizing agents, halogens, nitric acid. | | CAS DataBase Reference | 7803-51-2(CAS DataBase Reference) | | NIST Chemistry Reference | Phosphine(7803-51-2) |
| | Phosphine Usage And Synthesis |
| Chemical Properties | colourless gas | | Air & Water Reactions | Highly flammable. Usually ignites spontaneously in air. Burns with a luminous flame [Merck 11th ed. 1989]. Insoluble in water. | | Reactivity Profile | Phosphine is a reducing agent. Ignites spontaneously in air when pure [Sidgwick, 1950, p. 729]. Liquefied Phosphine can be detonated [Rust, 1948, p. 301]. Ignites or reacts violently with boron trichloride, dichlorine oxide, halogens (bromine, chlorine, iodine), metal nitrates, nitrogen oxides, nitric acid, nitrous acid, nitrogen trichloride [Bretherick, 5th ed., 1995, p. 1562]. Forms explosive mixtures with even small amounts of oxygen. Autoignites at low pressures [Fisher, E. O. et al., Angew. Chem., 1968, 7, p. 136]. | | Health Hazard | Phosphine is a super- toxic gas with a probable oral lethal dose of 5 mg/kg or 7 drops for a 150 pound person. An air concentration of 3 ppm is safe for long term exposure, 500 ppm is lethal in 30 minutes, and a concentration of 1,000 ppm is lethal after a few breaths. | | Fire Hazard | Phosphine can explode with powerful oxidizers. The gas is heavier than air and may travel along the ground to an ignition source. Container may explode in heat of fire. When heated to decomposition, Phosphine emits highly toxic fumes of phosphorus oxides. Reacts violently with: air; boron trichloride; bromine; chlorine; chlorine monoxide; nitric acid; nitric oxide; nitrous oxide; nitrogen trioxide; silver nitrate; nitrous acid; mercuric nitrate; nitrogen trichloride; oxygen; and (potassium plus ammonia). Stable up to 131F. May become unstable at high temperatures. |
| | Phosphine Preparation Products And Raw materials |
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