![]() A sample of red phosphorus
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Names | |
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Other names
Amorphous phosphorus
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Identifiers | |
EC Number |
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PubChem CID
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CompTox Dashboard (EPA)
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Properties | |
P | |
Molar mass | 30.974 g·mol−1 |
Density | 2.34 g/cm3 |
Melting point | 590 °C (1,094 °F; 863 K) |
Hazards | |
NFPA 704 (fire diamond) | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Red phosphorus is an allotrope of phosphorus. It is an amorphous polymeric red solid that is stable in air. It can be easily converted from white phosphorus under light or heating. It finds applications as matches and fire retardants. It was discovered in 1847 by Anton von Schrötter.[1]
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