12063-98-8[P]#[Ga]HZXMRANICFIONG-UHFFFAOYSA-NGallium phosphide is a phosphide of gallium. It is a semiconductor and optical material that is used for manufacture of low and standard brightness red, orange, and green light-emitting diodes. Metal phosphides are hydrolysed to phosphine upon contact with water or stomach acid. Phosphine is a colorless, flammable, explosive, and toxic gas. (L980, L985)
12063-98-8DTXSID60894184Metals -> Phosphides
Flammable agents - 3rd degree
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Warning
H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
P261, P264+P265, P271, P280, P304+P340, P305+P351+P338, P319, P337+P317, P403+P233, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 99 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Chemical: Gallium phosphide (GaP)
The New Jersey Worker and Community Right to Know Act requires public and private employers to provide information about hazardous substances at their workplaces. (N.J.S.A. 34:5A-1 et. seq.)
Causes flaccid paralysis without anesthesia (usually neuromuscular blockage), somnolence, and effects on food intake in oral lethal-dose studies of mice; [RTECS] A strong eye irritant; [Alfa Aesar MSDS] See Gallium. See Aluminum phosphide. See PHOSPHIDES.
Eye Irrit. 2 (100%)
Flammable agents - 3rd degree, Reactive agents - 2nd degree
Inhalation of phosphine may cause severe pulmonary irritation leading to acute pulmonary oedema, cardiovascular dysfunction, CNS excitation, coma and death. Gastrointestinal disorders, renal damage and leukopenia may also occur. Chronic exposure to phosphine can result in anemia, bronchitis, gastrointestinal effects, and visual, speech and motor problems. (L980, L982)
Phosphine and metal phosphides may be absorbed following ingestion or inhalation, then distribute to the nervous system, liver, and kidney. In the body, metal phosphides are hydrolysed to phosphine, and phosphine is oxidized to hypophosphite and phosphite. Metabolites are excreted in the urine, while unchanged phosphine is exhaled. (L982)
Used in semiconductor electronics; [Merck Index]
Semiconductor Manufacturing [Category: Industry]
Gallium phosphide is a semiconductor and optical material that is used for manufacture of low and standard brightness red, orange, and green light-emitting diodes. (L985)
용도Gallium phosphide (GaP) is used in semiconductor devices, and in the manufacture of light-emitting diodes (LEDs) doped with other elements or in combination with gallium arsenide phosphide. With appropriate dopants, p-type and n-type semiconductors can be produced. It is used in optical systems.
The compound is prepared by vapor phase reaction of gallium suboxide, Ga2O and phosphorus. It is produced in polycrystalline form or as single crystals or whiskers in high purity grade for use in semiconducting devices.
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Pale-orange, transparent crystals or whiskers up to 2 cmlong, made by vapor phase reaction at relatively low temperatures between phosphorus and gallium suboxide. These crystals are intermediate between normal semiconductors and insulators or phosphors. They operate over a temperature range of 55 to 500C. Gallium phosphide is electroluminescent in visible light.
Phosphine inhibits cytochrome c oxidase, preventing mitochondrial oxidative phosphorylation. This non-competitive inhibition prevents cellular respiration and leads to multi-organ dysfunction. Phosphine can also react with hydrogen peroxide to form the highly reactive hydroxyl radical, which can cause lipid peroxidation. (A291, A292)
Early symptoms of acute phosphine intoxication include pain in the diaphragm, nausea, vomiting, excitement, and a phosphorus smell on the breath. Higher levels can cause weakness, bronchitis, pulmonary edema, shortness of breath, convulsions, and death. Some effects, such as pulmonary edema, convulsions, and liver injury, may appear or continue to be present days after an exposure. Ingestion of metal phosphides results in release of phosphine in your stomach which can cause nausea, vomiting, abdominal pain, and diarrhea. (L980)