Aluminium phosphide Identifiers Properties Hazards
various other names Aluminium(III) phosphideAluminium monophosphidePhostoxinFumitoxin
CAS number 20859-73-8
molecular formula AlP
Molar mass 58.0 g/mol
Appearance yellow or gray crystals
Density 2.42 g/cm³, solid
melting point

>1000 °C

Solubility in water soluble
MSDS external MSDS
EU classification toxicity (T); Dangerous for the environment (N)
NFPA 704
speed point >800 °C other than where detailed otherwise, data are given for materials in their conventional state(at 25°C, 100kPa)Infobox disclaimer and also references

Aluminium phosphide is the chemistry compound v the formula AlP. This colourless hard is usually sold together a grey-green-yellow powder as result of the presence of impurities emerging hydrolysis and also oxidation. This product is a large band space semiconductor and is offered as a fumigant.





Structure, synthesis, and properties

AlP crystallizes in the cubic zinc blende motif, wherein all atoms have actually tetrahedral coordination. Related materials crystallize similarly, including GaAs.

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Crude aluminium phosphide can be ready in the laboratory by igniting a mixture that red phosphorus and powdered aluminium.<1>

Aluminium phosphide reacts with water or acids to relax phosphine.<2>

2AlP + 3 H2O → Al(OH)3 + PH3


AlP is supplied as a rodenticide, insecticide and fumigant for stored grain grains. That is used to kill little verminous mammals such as moles, rabbits, and also rodents. The tablet computers or pellets typically likewise contain other chemicals i beg your pardon evolve ammonia which help to reduce the potential for spontaneous ignition or explode of the phosphine gas. Pure phosphine is odorless, but technical grade phosphine has actually a extremely unpleasant odor choose garlic or rotting fish, due to the presence of substituted phosphine and diphosphine (P2H4).

As a killing rodents, aluminium phosphide pellets are provided as a mixture the food because that the consumption by the rodents. The acid in the digestive mechanism of the rodent reacts v the phosphide to generate the toxic phosphine gas. Other pesticides similar to aluminium phosphide space zinc phosphide and calcium phosphide.

As a rodenticide, aluminium phosphide have the right to be encountered under names eg. Celphos, Fumitoxin, Phostoxin, and also Quick Phos.

Semiconductor applications

Industrially, AlP is a semiconductor material that is typically alloyed with other binary materials for applications in tools such together light-emitting diodes (e.g. Aluminium gallium indium phosphide).

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Categories: Aluminium compound | Phosphides | Semiconductor products | inorganic insecticides | III-V compounds

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