Names | |
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Other names
Aluminum phosphide
Aluminium(III) phosphide Aluminium monophosphide Phostoxin Fumitoxin | |
Identifiers | |
3D model (JSmol)
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ChemSpider | |
ECHA InfoCard | 100.040.065 |
EC Number |
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PubChem CID
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RTECS number |
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UNII | |
UN number | 1397 3048 |
CompTox Dashboard (EPA)
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Properties | |
AlP | |
Molar mass | 57.9552 g/mol |
Appearance | Yellow or gray crystals |
Odor | garlic-like |
Density | 2.85 g/cm3 |
Melting point | 2,530 °C (4,590 °F; 2,800 K) |
reacts | |
Band gap | 2.5 eV (indirect)[1] |
Refractive index (nD)
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2.75 (IR), ~3 (Vis) [1] |
Structure | |
Zincblende | |
T2d-F43m | |
a = 546.35 pm
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Tetrahedral | |
Thermochemistry | |
Std molar
entropy (S⦵298) |
47.3 J/mol K |
Std enthalpy of
formation (ΔfH⦵298) |
-164.4 kJ/mol |
Hazards | |
GHS labelling: | |
Danger | |
H260, H300, H311, H330, H400 | |
P223, P231+P232, P260, P264, P270, P271, P273, P280, P284, P301+P310, P302+P352, P304+P340, P310, P312, P320, P321, P322, P330, P335+P334, P361, P363, P370+P378, P391, P402+P404, P403+P233, P405, P501 | |
NFPA 704 (fire diamond) | |
Flash point | > 800 °C (1,470 °F; 1,070 K) |
Lethal dose or concentration (LD, LC): | |
LD50 (median dose)
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11.5 mg/kg |
Safety data sheet (SDS) | External MSDS |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Aluminium phosphide is a highly toxic inorganic compound with the chemical formula AlP, used as a wide band gap semiconductor and a fumigant. This colorless solid is generally sold as a grey-green-yellow powder due to the presence of impurities arising from hydrolysis and oxidation.