포레이트

그림문자(GHS)

• 그림문자(GHS)

  

• 신호 어

  Danger

• 유해·위험 문구

  H410：장기적 영향에 의해 수생생물에 매우 유독함

• 예방조치문구

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

  P262：눈, 피부, 의복에 묻지 않도록 하시오.

  P273：환경으로 배출하지 마시오.

  P280：보호장갑/보호의/보안경/안면보호구를 착용하시오.

포레이트 화학적 특성, 용도, 생산

• 개요

  Phorate is a colorless oil. The water solubility is 50 mg/L (25 ?C). It is miscible with common organic solvents. Log Kow = 3.92. Phorate is relatively unstable to hydrolysis in aqueous media; DT₅₀ values at pH 7 and 9 are 3.2 and 3.9 d, respectively. Phorate is effective against sucking plant pests as a systemic insecticide-acaricide and also has good contact and vapor actions. It is usually formulated as granules. The acute oral LD₅₀ for rats is 1.6–3.7 mg/kg. Inhalation LC50 (1 h) for rats is 0.06–0.011 mg/L air. ADI is 0.5 μg/kg b.w.

• 화학적 성질

  Phorate is a clear mobile liquid with a skunk-like odor

• 용도

  Phorate is a non-biocumulative organophosphate used as an insecticide and acaricide. Phorate is an inhibitor of acetylcholinesterase and pseudocholinesterase.

• 일반 설명

  Clear liquid with an objectionable odor. Used as an insecticide and acaricide; Phorate is applied to plants and soil.

• 공기와 물의 반응

  Phorate is incompatible with the following: Water, alkalis [Note: Hydrolyzed in the presence of moisture and by alkalis.] .

• 반응 프로필

  Organothiophosphates, such as Phorate, 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.

• 건강위험

  Phorate is one of the more toxic organophosphorus insecticides. It is a cholinesterase inhibitor that acts on the nervous system, and produces toxicity similar to Parathion. The probable oral lethal dose for humans is less than 5 mg/kg, i.e. a taste (less than 7 drops) for a 70 kg (150 lb.) person.

• 화재위험

  Shock can shatter containers, releasing the contents. When heated to decomposition, toxic fumes of sulfur oxides, phosphorus oxides, and nitrogen oxides are emitted. Hydrolyzed in water and alkalies.

• 농업용

  Insecticide, Acaricide, Nematicide: Phorate is an organophosphorus insecticide and acaricide used to control a wide variety of sucking and chewing insects, leafhoppers, leafminers, mites, somenematodes, and rootworms. It is used on many crops, including root and field crops such as corn, cotton, coffee, potatoes, sugar beets, beans, peanuts, wheat, some ornamental and herbaceous plants, and bulb. In the U.S., 80% of the annual use of phorate is applied to corn, potatoes and cotton. It is available in granular and emulsifiable concentrate formulations. Phorate has been shown to be responsible for a large number of bird kills and it is extremely toxic to mammals. Not approved for use in EU countries. A U.S. EPA restricted Use Pesticide (RUP). U.S. Maximum Allowable Residue Levels for Phorate (40 CFR 180.206): bean 0.1 ppm; beet, sugar, roots 0.3 ppm; beet, sugar, tops 3 ppm; coffee, bean 0.02 ppm; corn, forage 0.5 ppm; corn, grain 0.1 ppm; corn, sweet, kernel plus 0.1 ppm; cob with husks removed ppm; cotton, undelinted seed 0.05 ppm; hop 0.5 ppm; peanut 0.1 ppm; potato 0.5 ppm; sorghum, grain, grain 0.1 ppm; sorghum, grain, stover 0.1 ppm; soybean 0.1 ppm; sugarcane, cane 0.1 ppm; wheat, grain 0.05 ppm; wheat, hay 1.5 ppm; wheat, straw 0.05 ppm.

• 상품명

  AASTAR®[C]; AC 3911®; AGRIMET®; AMERICAN CYANAMID 3,911®; EL 3911®; EXPERIMENTAL INSECTICIDE 3911®; GEOMET®; GRAMTOX®; GRANUTOX®; L 11/6®; METAPHOR®; PHORATE-10G®; PHORIL®; RAMPART®; TERRACLOR®; TERRATHION GRANULES®; THIMENOX®; THIMET®; THEMET®; UMET®; VEGFRU®; VERGFRU FORATOX®

• Safety Profile

  Poison by ingestion and sh contact routes. Experimental reproductive effects. Mutation data reported. A cholinesterase irhbitor. When heated to decomposition it emits toxic fumes of POx and SOx. See also PARATHION

• 잠재적 노출

  Those engaged in the manufacture, formulation and application of this systemic and contact insecticide and acaricide. It is also used as a soil insecticide.

• Carcinogenicity

  When dogs were given phorate via capsules at doses of 0.005, 0.01, 0.05, or 0.25 mg/kg/day for 1 year, slight body tremors, marginal inhibition of body weight gain, and RBC and brain cholinesterase inhibition occurred in males given 0.25 mg/kg/day .
  No evidence of carcinogenicity occurred in rats given diets that contained 0, 1, 3, or 6 ppm phorate (equal to about 0, 0.05, 0.15, or 0.3 mg/kg/day) for 2 years . Erythrocyte and brain cholinesterase inhibition occurred at exposures of 3 and 6 ppm. No evidence of carcinogenicity or other adverse effects occurred in mice given diets that contained 0, 1, 3, or 6 ppm phorate (equal to about 0, 0.15, 0.45, and 0.9 mg/kg/day) for 78 weeks, other than a slight decrease in body weight gain in females that were fed 6 ppm .

• 신진 대사 경로

  Phorate is metabolised by an analogous route to that of disulfoton. The principal route of phorate metabolism in all media is activation via oxidation of the thioether group to the sulfoxide (rapid) and sulfone (slower). Thioether oxidation occurs preferentially to oxidative desulfuration of the P=S group to the oxon, which is usually only present in trace amounts, and there is good evidence that the sulfoxide and sulfone oxons arise via phorate sulfoxide and sulfone rather than phorate oxon. The more polar thiooxidised metabolites are translocated in plants and are responsible for the compound’s systemic action. Of all phorate’s metabolites, phorate oxon sulfone is the most active inhibitor of acetylcholinesterase (Bowman and Casida, 1957). Degradative metabolism occurs via oxidative dealkylation of the phosphorodithioate group or hydrolysis of the oxon.

• 신진 대사

  The metabolic routes of phorate are essentially the same in plants, animals, and soils, involving the oxidation of the sulfide group into the sulfoxide then sulfone, and oxidative desulfuration to the corresponding oxons, followed by hydrolysis to diethyl hydrogen phosphorodithioate, phosphorothioate, and phosphate. Phorate protects plants for a relatively long time because of the persistency of the sulfoxide metabolite in plants and in soils. DT₅₀ in soil is 2–14 d.

• 운송 방법

  UN3018 Organophosphorus pesticides, liquid, toxic, Hazard Class: 6.1; Labels: 6.1-Poisonous materials. UN2783 Organophosphorus pesticides, solid, toxic, Hazard Class: 6.1; Labels: 6.1-Poisonous material. UN2810 Toxic liquids, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required.

• 비 호환성

  Water, alkalis. Hydrolyzed in the presence of moisture and by alkalis; may produce toxic oxides of phosphorus and sulfur. Strong oxidizers may cause release of toxic phosphorus oxides. Organophosphates, in the presence of strong reducing agents such as hydrides, may form highly toxic and flammable phosphine gas. Keep away from alkaline materials.

• 폐기물 처리

  In accordance with 40CFR165, follow 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. Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≥100 kg/mo) must conform with EPA regulations governing storage, transportation, treatment, and waste disposal.

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