펜티온

그림문자(GHS)

• 그림문자(GHS)

  

• 신호 어

  Danger

• 유해·위험 문구

  H330：흡입하면 치명적임

  H341：유전적인 결함을 일으킬 것으로 의심됨 (노출되어도 생식세포 유전독성을 일으키지 않는다는 결정적인 증거가 있는 노출경로가 있다면 노출경로 기재)

  H372：장기간 또는 반복 노출되면 장기(또는, 영향을 받은 알려진 모든 장기를 명시)에 손상을 일으킴

  H410：장기적 영향에 의해 수생생물에 매우 유독함

• 예방조치문구

  P202：모든 안전 조치 문구를 읽고 이해하기 전에는 취급하지 마시오.

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

  P273：환경으로 배출하지 마시오.

  P280：보호장갑/보호의/보안경/안면보호구를 착용하시오.

펜티온 화학적 특성, 용도, 생산

• 개요

  Fenthion is a colorless oily liquid (technical grade, brown oily liquid with a mercaptan-like odor).

• 화학적 성질

  Pure fenthion is a colorless liquid. Technical fenthion is a yellow or brown oily liquid with a weak garlic odor. It is insoluble or very sparingly soluble in water, but soluble in all organic solvents, alcohols, ethers, esters, halogenated aromatics, and petroleum ethers. It is grouped by the US EPA under RUP and hence requires handling by qualifi ed, certifi ed, and trained workers. Fenthion is used for the control of sucking and biting pests, i.e., fruit fl ies, stem borers, mosquitoes, and cereal bugs. In mosquitoes, it is toxic to both the adult and immature forms (larvae). The formulations of fenthion include dust, emulsifi able concentrate, granular, liquid concentrate, spray concentrate, ULV, and wettable powder.

• 용도

  Fenthion is an organothiophosphate used as an insecticide. Fenthion is also a potent acaricide.

• 정의

  ChEBI: An organic thiophosphate that is O,O-dimethyl hydrogen phosphorothioate in which the hydrogen atom of the hydroxy group is replaced by a 3-methyl-4-(methylsulfanyl)phenyl group. It exhibits acaricidal and insecticidal activities.

• 일반 설명

  Yellow to tan oily liquid with a slight odor of garlic.

• 반응 프로필

  Fenthion may react with strong reducing agents such as hydrides to generate highly toxic and flammable phosphine gas. Partial oxidation by oxidizing agents may result in the release of toxic phosphorus oxides.

• 위험도

  Toxic by ingestion, inhalation, and skin absorption; use may be restricted, cholinesterase inhibitor. Toxic by skin absorption; questionable carcinogen.

• 건강위험

  Fenthion is moderately toxic to mammals, and highly toxic to birds. Exposures to fenthion cause poisoning with symptoms among occupational workers as observed with organophosphate pesticide-induced toxicity. These include, but are not limited to, numbness, tingling sensations, incoordination, headache, dizziness, tremor, nausea, abdominal cramps, sweating, blurred vision, diffi culty breathing or respiratory depression, and slow heart beat. Very high doses may result in unconsciousness, incontinence, and convulsions or fatality. Reports have indicated that exposures to fenthion cause adverse effects on the central and peripheral nervous systems, and the heart of exposed workers.

• 화재위험

  Fenthion is probably combustible.

• 농업용

  Insecticide, Larvicide, Veterinary medicine: Not registered for use in the U.S. Not approved for use in EU countries. Used in 20 countries including Australia. There are 23 global suppliers.

• 상품명

  B 29493®; BACID®; BAY 29493®; BAYCID®; BAYER 29493®; BAYER 9007®; BAYER S-1752®; BAYTEX®; ENTEX®; LEBAYCID®; MPP®; MPP (pesticide) OMS 2®; PHENTHION®; PILARTEX®; QUELETOX®; S 1752®; SPOTTON®; SULFIDOPHOS®; TALODEX®; TIGUVON®

• 잠재적 노출

  A potential danger to those involved in the manufacture, formulation, or application of this agricultural chemical and pesticide; insecticide

• 환경귀착

  Biological. From the first-order biotic and abiotic rate constants of fenthion in estuarine water and sediment/water systems, the estimated biodegradation half-lives were 22.4 and 3.9–14.5 days, respectively (Walker et al., 1988).
  Surface Water. In estuarine water, the half-life of fenthion was 4.6 days (Lacorte et al., 1995).
  Plant. In plants, fenthion oxidizes to the mesulfenfos and sulfone which further degrades to the sulfone phosphate before undergoing hydrolysis (Hartley and Kidd, 1987).
  Photolytic. Fenthion was oxidized to the corresponding sulfoxide and trace amounts (<5% yield) of sulfone when sorbed on soil and exposed to sunlight. The photosensitized oxidation was probably due to the presence of singlet oxygen. The degradation rate was higher in soils containing the lowest organic carbon (Gohre and Miller, 1986).
  Chemical/Physical. Stable at temperatures below 210°C (Worthing and Hance, 1991). Emits very toxic fumes of phosphorus and sulfur oxides when heated to decomposition (Sax and Lewis, 1987; Lewis, 1990).

• 신진 대사 경로

  The major route of fenthion metabolism is by oxidation to the sulfoxide which has a higher insecticidal activity than the parent compound. The subsequent oxidation of the sulfoxide to fenthion sulfone, the biological activity of which is considerably lower, is slow in plants but of major significance in animals. An additional route of bioactivation is through oxidative desulfuration to form fenoxon and, in all, five oxidative metabolites (fenthion sulfoxide, fenthon sulfone, fenoxon, fenoxon sulfoxide and fenoxon sulfone) have been detected in most biological systems. Hydrolysis, in contrast to most insecticidal phosphorothioates, appears to proceed via direct hydrolysis of fenthion rather than its oxon. The phenolic leaving group (3-methyl-4-thiomethylphenol) is identical to that of fenamiphos and although no studies have described the fate of the phenolic moiety for fenthion, it is likely that it will be metabolised by similar routes to those described for fenamiphos.

• 운송 방법

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

• 비 호환성

  Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides, alkaline insecticides. Organothiophosphates are susceptible to formation of highly toxic and flammable phosphine gas in the presence of strong reducing agents such as hydrideds and active metals. Partial oxidation by oxidizing agents may result in the release of toxic phosphorus oxides.

• 폐기물 처리

  Hydrolysis and landfill for small quantities; incineration with flue gas scrubbing for large amounts. 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

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