메타미도포스

그림문자(GHS)

• 그림문자(GHS)

  

• 신호 어

  Danger

• 유해·위험 문구

  H300：삼키면 치명적임

  H311：피부와 접촉하면 유독함

  H330：흡입하면 치명적임

  H400：수생생물에 매우 유독함

• 예방조치문구

  P260：분진·흄·가스·미스트·증기·...·스프레이를 흡입하지 마시오.

  P264：취급 후에는 손을 철저히 씻으시오.

  P264：취급 후에는 손을 철저히 씻으시오.

  P270：이 제품을 사용할 때에는 먹거나, 마시거나 흡연하지 마시오.

  P271：옥외 또는 환기가 잘 되는 곳에서만 취급하시오.

  P273：환경으로 배출하지 마시오.

  P280：보호장갑/보호의/보안경/안면보호구를 착용하시오.

  P284：호흡 보호구를 착용하시오.

  P301+P310：삼켰다면 즉시 의료기관(의사)의 진찰을 받으시오.

  P302+P352：피부에 묻으면 다량의 물로 씻으시오.

  P304+P340：흡입하면 신선한 공기가 있는 곳으로 옮기고 호흡하기 쉬운 자세로 안정을 취하시오.

  P310：즉시 의료기관(의사)의 진찰을 받으시오. 삼켰다면 즉시 의료기관(의사)의 도움을 받으시오.

  P312：불편함을 느끼면 의료기관(의사)의 진찰을 받으시오.

  P320：긴급히 (…) 처치를 하시오.

  P321：(…) 처치를 하시오.

  P322：특정 조치(라벨의 … 참조)

  P330：입을 씻어내시오.

  P361：즉시 오염된 의복을 모두 벗을 것

  P363：다시 사용전 오염된 의류는 세척하시오.

  P391：누출물을 모으시오.

  P403+P233：용기는 환기가 잘 되는 곳에 단단히 밀폐하여 저장하시오.

  P405：밀봉하여 저장하시오.

  P501：...에 내용물 / 용기를 폐기 하시오.

메타미도포스 화학적 특성, 용도, 생산

• 화학적 성질

  Methamidophos is a colourless crystalline solid with a pungent odour. It is readily soluble in water, alcohols, ketones, and aliphatic chlorinated hydrocarbons but sparingly soluble in ether and practically insoluble in petroleum ether. Methamidophos is also a breakdown product of another OP, namely, acephate. Methamidophos is slightly corrosive to mild steel and copper alloys.

• 용도

  Methamidophos is used to control a wide range of insects and mites in a very large number of crops.

• 일반 설명

  Crystalline solid, technical product is off-white with a pungent odor. Used as an insecticide on a number of vegetables and on cotton.

• 반응 프로필

  Organophosphates, such as Methamidophos, are susceptible to formation of highly toxic and flammable phosphine gas in the presence of strong reducing agents such as hydrides. Partial oxidation by oxidizing agents may result in the release of toxic phosphorus oxides. Avoid strong acids or alkalis. [EPA, 1998].

• 건강위험

  Methamidophos is harmful or fatal if swallowed, inhaled, or absorbed through the skin.

• 화재위험

  (Non-Specific -- Organophosphorus Pesticide, n.o.s.) Container may explode in heat of fire. Fire and runoff from fire control water may produce irritating or poisonous gases. (Non-Specific -- Phosphoramidothioic Acid, O-Ethyl S-Methyl Ester) Emits very toxic fumes of nitrogen oxides, phosphorus oxides, and sulfur oxides when heated to decomposition. Stable at neutral pH. Avoid strong acids or alkalis.

• 농업용

  Insecticide, Miticide: Methamidophos is a highly active, systemic, resid-ual organophosphate insecticide/acaricide/avicide with contact and stomach action. Its mode of action in insects and mammals is by decreasing the activity of an enzyme important for nervous system function called acetylcholinesterase. This enzyme is essential in the normal transmission of nerve impulses. Methamidophos is a potent acetylcholinesterase inhibitor. It is effective against chewing and sucking insects and is used to control aphids, flea beetles, worms, whiteflies, thrips, cabbage loopers, Colorado potato beetles, potato tubeworms, armyworms, mites, leafhoppers, and many others. Crop uses include broccoli, Brussels sprouts, cauliflower, grapes, celery, sugar beets, cotton, tobacco, and potatoes. It is used abroad for many vegetables, hops, corn, peaches, and other crops. Generally, methamidophos is not considered phytotoxic if used as directed, but defoliation has occurred when applied as foliar spray to deciduous fruit. It is compatible with many other pesticides, but do not use with alkaline materials. Methamidophos is slightly corrosive to mild steel and copper alloys. This compound is highly toxic to mammals, birds, and bees. Do not graze treated areas, and be sure to wear protective clothing including respirator, chemical goggles, rubber gloves, and impervious protective clothing. A U.S. EPA restricted Use Pesticide (RUP). Not approved for use in EU countries .

• 상품명

  ACEPHATE-MET®; BAY 71625®; BAYER 71628®; CHEVRON 9006®; CHEVRON ORTHO 9006®; FILITOX®; GS-13005®; HAMIDOP®; METAFOS®; MONITOR®; MTD®; NITOFOL®; NURATRON®; ORTHO 9006®; PATROLE®; PILLARON®; SRA 5172®; SUPRACIDE®; SWIPE®; TAHMABON®; TAMARON®; VITARON®

• Safety Profile

  Poison by ingestion, inhalation, sh contact, subcutaneous, and intraperitoneal routes. Human systemic effects by ingestion: fasciculations, pupdlary constriction, and sweating. A cholinesterase inhbitor type of insecticide. When heated to decomposition it emits very toxic fumes of NOx, POx, and SOx. See also PARATHION.

• 잠재적 노출

  A potential danger to those involved in the manufacture, formulation, and application of this insecticide on vegetables and cotton

• 환경귀착

  Chemical/Physical. Emits toxic fumes of phosphorus, nitrogen and sulfur oxides when heated to decomposition (Sax and Lewis, 1987).

• 신진 대사 경로

  Methamidophos is a contact insecticide which is particularly effective against caterpillars and aphids. It also has some systemic action although much less than acephate. There is some uncertainty concerning the nature of the leaving group when the compound inhibits acetylcholinesterase although most evidence suggests that it is methanethiolate. There are claims that it requires metabolic activation to a more active inhibitor (Eto et al., 1977) and yet other evidence that it does not (Khasawinah et al., 1978). Most studies which have examined the biotransformation of acephate have identified methamidophos as one of its metabolites and the latter is considered to be the active metabolite. The main route of biotransformation in soil is through deamination. In mammals, metabolism involves de-O-methylation, de-S-methylation and deamination, with de- O-methylation in the liver probably being the most important route. There is no evidence as to whether demethylation is hydrolytic or oxidative. Methamidophos and its metabolites are highly polar and no conjugates have been identified. There is some evidence that the compound can lead to delayed neurological degeneration in mammals through inhibition of 'neuropathy target esterase'.

• 신진 대사

  Acute oral LD₅₀ for rats is about 20 mg/kg. Inhalation LC50 (4 h) for rats is 0.2 mg/L air. NOEL (2 yr) for rats is 2 mg/kg diet (0.1 mg/kg/d). ADI is 4 μg/kg b.w. Methamidophos itself shows only a poor anti-AChE activity, oxidative activation being suggested. It appears to cause delayed neuropathy. The major part of administered methamidophos in animals is rapidly eliminated from the body through urine and respiration. The major metabolic routes are O-demethylation, S-demethylation, and deamination. In plants, deaminated methamidophos is a major metabolite. Methamidophos is degraded rapidly in soil by deamination and demethylation, to eventually form carbon dioxide and phosphoric acid.

• 운송 방법

  UN2783 Organophosphorus pesticides, solid, toxic, Hazard Class: 6.1; Labels: 6.1-Poisonous materials

• 비 호환성

  Incompatible with strong acids or alkali. Attacks mild steel and copper-containing alloys (technical grade)

• 폐기물 처리

  In accordance with 40CFR 165 recommendations for the disposal of pesticides and pesticide containers. Must be disposed properly by following package label directions or by contacting your local or federal environmental control agency, or by contacting your regional EPA office.

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