Specification :

Aluminium Phosphide

Common name: aluminium phosphide
IUPAC name: aluminium phosphide
Chemical Abstracts name: aluminum phosphide
CAS RN: [ 20859-73-8]

PHYSICAL CHEMISTRY
Mol. wt.: 58.0; M.f.: AlP; Form: Dark grey or yellowish crystals. M.p.: > 1000 º C; V.p.: Very low, even at 1000 º C. S.g./ density: 2.85 ( 25 ° C) . Stability: Though stable when dry, it reacts with moist air, violently with acids, producing phosphine.

APPLICATIONS
Mode of action: Insecticide and rodenticide which is a respiratory, metabolic, and nerve poison. Evolves a non-flammable mixture of phosphine ( the toxicant) , ammonia and carbon dioxide.
Uses: Fumigation control of insect and rodent pests in stored grains ( wheat, rye, barley, rice, sorghum, maize, etc.) , seed grains, grain products ( flour, noodles, semolina, etc.) , pulses ( peas, beans, lentils, etc.) , tobacco, tapioca ( roots and flour) , oil seeds, expeller cake, nuts, nut kernels, dried fruit, coffee beans, cocoa beans, tea, etc.; and in empty warehouses, silos, packing materials, transport containers, etc.
Phytotoxicity: Living plants, fresh vegetables and fruits, with few exceptions, should not be fumigated.
Formulation types: GE; Fumigant.

MAMMALIAN TOXICOLOGY
Oral: Acute oral LD50 for rats 8.7 mg/ kg.
EC hazard: F; R15/ 29| T+ ; R28| R32

ENVIRONMENTAL FATE
Animals: In mammals, phosphine is probably metabolised to non-toxic phosphates.
Plants: In stored products, phosphine undergoes oxidation to phosphoric acid.