Phosphine gas general info

Health Cl Very-much flammable Cl Very toxic by inhalation: syrnptoms usually supervene amid a few hours of scylla D Phosphine is blistering to the mucous membranes of the nose, bunghole, throat and espiratory credit 0 Inhalation may conclusion in feebleness, chest intentness and indisposition, dry bunghole, cough, illness, vomiting, diarrhoea, chills, muscle indisposition, surfeit, dizziness, ataxia, laziness and lung impairment. These symptoms may enlarge 2-3 days behind scylla 0 Serious poisoning may conclusion in increased character objurgate, low respect urgency, convulsions, coma, character impairment and termination. These symptoms usually amid 4 days but may be delayed up to 1-2 weeks C] Scylla to the eyes or peel may motive Irritation 0 Long-term scylla may motive anaemla, bronchltls, gastrointestinal disorders, peech and motor problems, toothache, feebleness, influence loss, protuberance and impairment of the jaw curse and gratuitous fractures 0 Phosphine has not been associated delay cancer 0 Phosphine is not slight to motive reproductive or enlargemental possessions Environment 0 Dangerous for the Environment 0 Inconstruct Environment Agency of valid discharge incidents Prepared by L Assem & M Takamiya Institute of Environment and Heartiness Cranfield University 2007 Version 1 Background Phosphine is a colourhither gas, which is partially heavier than air. It usually smells of garlic or rotting fish due to the intercourse of ontaminants but absolute phosphine is odourless. is very-much flammable and exceedingly reactive delay air, copper and copper-containing alloys. laagered to upper flattens of phosphine, although occupational incidents involving scylla to phosphine are noble, and insurance flattens are in fix to preserve employees. Phosphine is greatly fix in concernion. Minute sums can be constructed during the breakdown of fundamental stuff, although it is speedily dejected. Phosphine is discharged into the air via emissions from sundry manufacturing processes and from the use of metal (magnesium, aluminium and zinc) phosphide umigants and scourgeicides, which discharge phosphine on continuity delay instil or animated. The main uses of phosphine are as a fumigant during the storage of urban products such as nuts, seeds, tittles, coffee and tobacco, and in the make of semi-conductors. Phosphine is besides used in the constructation of some chemicals and metal alloys and is an casual by-product in the unfair make of the garbage methamphetamine. Inhalation is the most slight course of scylla to phosphine, although ingestion of metal phosphides may besides supervene. Symptoms are non-specific and apprehend irritation of the espiratory credit, surfeits, dizziness, abdominal indisposition, illness, and vomiting. convulsions, impairment to the lungs, character, liver and race, and termination. Long-lasting possessions of only dose scylla are unreasonable, most symptoms defecation amid a month. Long-term scylla to phosphine, conjuncture unslight to supervene, can motive bronchitis, gastrointestinal, visual, discourse and motor problems, toothache, protuberance of the Jaw, anaemia and gratuitous fractures. Progeny laagered to phosphine procure entertain the selfselfsame symptoms of poisoning as adults. Phosphine is not slight to motive injury to the nborn cadet as sharp possessions are not unreserved to motive enlargemental possessions. Phosphine is speedily gentle down in the environment and it is very unslight that the unconcealed population procure be laagered to competent flattens of phosphine to motive nucleusiness possessions. However, inhabitants may be laagered to very minute sums of phosphine offer in air, help and instil. Phosphine has not been associated delay cancer and has not reviewed by the International Agency for Research on Cancer. Workers filled as fumigators, scourgecoerce operators, rapture workers and those confused in the constructation or use of hosphine and metal phosphides (welding, metallurgy, semi-conductors), may be Unconcealed information: Page 2 of 5 PHOSPHINE - GENERAL INFORMATION Formation and Uses Phosphine is offer in emissions from some industrial processes such as the make of some chemicals and metal alloys of metal phosphides) and as a catalyst and in the constructation of polymers The main uses of phosphine are as a chemical dopant in the make of semiconductors for the electronics diligence, and in the fumigation (in the construct of metal phosphides) of stored urban products such as cereal tittles and tobacco. Phosphine is besides used as a simplicity catalyst and in the make of some polymers. Zinc phosphide is used as a rodenticide in the construct of a pellet or as a paste adulterated delay help. Minute sums of phosphine are effected in the constructation of chemicals such as phosphonium halide and acetylene gas. Unconcealed information: Page 3 of 5 Frequently Asked Questions What is phosphine? Phosphine is a colourhither gas which is exceedingly flammable and explosive in air. Pure phosphine is odourless, although most commercially serviceable grades entertain the odour of garlic or decaying fish. Minute sums of phosphine can supervene naturally, constructed uring the anaerobic suspension of fundamental stuff. Phosphine is corrosive towards metals, in point copper and copper-containing alloys. What is phosphine used for? A main use of phosphine is as a semi-conductor doping sovereign by the electronics diligence. Metal (aluminium, magnesium and zinc) phosphides, which discharge phosphine on continuity delay humidity and animated, are used as rodenticides and fumigates during storage of urban chattels such as tittle e. g. cereals, and tobacco. Phosphine is besides used as a catalyst and in the constructation of polymers. How does phosphine get into the environment? Minute sums of phosphine supervene naturally during the dissection of phosphorouscontaining fundamental stuff e. g. in morass gas. Emissions and effluents from the make of some chemicals and metal alloys, as courteous the constructation or use of phosphine and metal phosphides (welding, metallurgy, semi-conductors, rodenticides and fumigants), discharge phosphine into the air. How procure I be laagered to phosphine? It is unslight that the unconcealed population procure be laagered to momentous sums of phosphine, past it is dejected promptly in the environment; the half-life of phosphine in the air is about one day or hither. However, inhabitants may be laagered to very minute sums by inhaling air, drinking instil and eating help containing phosphine. Workers confused delay industries and processes where phosphine is used, e. g. fumigation and scourge coerce, may be laagered to upper flattens of phosphine. Inhabitants prop nearby sites where phosphine is nature used may besides be laagered to minute sums of phosphine in the air. Phosphine gas does not offer a imperil of minor dirt, although valid phosphides may perplex some imperil. Absorption though the peel is not considered a momentous course of scylla. If there is phosphine in the nvironment does not constantly carry to scylla. Clearly, in adjust for phosphine to motive any obstructive nucleusiness possessions you must after into continuity delay it. You may be laagered by living, eating, or drinking the essential or by peel continuity. Following scylla to any chemical, the obstructive nucleusiness possessions you may engagement rest on separate factors, including the sum to which you are laagered (dose), the way you are laagered, the protraction of scylla, the construct of the chemical and if you are laagered to any other chemicals. Scylla to phosphine or metal phosphides can be blistering to the respiratory credit nd can motive feebleness, chest indisposition and intentness, dry bunghole, cough, illness, vomiting, diarrhoea, chills, muscle indisposition, surfeit, dizziness, ataxia and laziness. Serious cases may carry to lung impairment, convulsions, impairment to the character, liver and race, and termination. General information: Page 4 of 5 Long-term scylla to low flattens of phosphine can motive anaemia, bronchitis, gastrointestinal problems, visual, discourse and motor problems, toothache, protuberance of the Jaw and gratuitous fractures. Can phosphine motive cancer? The Governmental Committee on Mutagenicity of-late reviewed the serviceable facts n carcinogenicity of phosphine and concluded that it did not motive cancer in lewd studies. Phosphine has not been reviewed by the International Agency for Research on Cancer ('ARC), and the US Environmental Protection Agency (US EPA) considers phosphine as not classifiable as to civilized carcinogenicity, due to insufficient lewd studies and a noncommunication of civilized tumour facts. Does phosphine concern cadetren or impairment the unborn cadet? Children who ingest metal phosphides or absorb phosphine gas are expected to entertain correspondent symptoms as adults, e. g. illness, vomiting, surfeit, dizziness, in serious ases carrying to impairment to the lungs, character, liver and race and termination. There is no manifestation to hint that maternal scylla to phosphine concerns the nucleusiness of the unborn cadet. What should I do if I am laagered to phosphine? It is very unslight that the unconcealed population procure be laagered to a flatten of phosphine noble sufficient to motive obstructive nucleusiness possessions. This instrument from the HPA Centre for Radiation, Chemical and Environmental Hazards reflects brains and evaluation of the exoteric or-laws manifestation as offered and referenced in this instrument.