폭심

그림문자(GHS)

• 그림문자(GHS)

  

• 신호 어

  Danger

• 유해·위험 문구

  H302：삼키면 유해함

  H311：피부와 접촉하면 유독함

  H317：알레르기성 피부 반응을 일으킬 수 있음

  H330：흡입하면 치명적임

  H410：장기적 영향에 의해 수생생물에 매우 유독함

• 예방조치문구

  P201：사용 전 취급 설명서를 확보하시오.

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

  P273：환경으로 배출하지 마시오.

  P280：보호장갑/보호의/보안경/안면보호구를 착용하시오.

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

폭심 MSDS

• 4-Ethoxy-7-phenyl-3,5-dioxa-6-aza-4-phosphaoct-6-ene-8-nitrile 4-sulfide

폭심 화학적 특성, 용도, 생산

• 개요

  Phoxim is a light yellow liquid, Solubility in water is 1.5 mg/L (20 ?C). It is readily soluble in most organic solvents and slightly in aliphatic hydrocarbons. Log Kow = 3.38. It is relatively slowly hydrolyzed in aqueous media; DT₅₀ (22 ?C) at pH 4, 7, and 9 is 26.7, 7.2, and 3.1 d, respectively.

• 화학적 성질

  yellowish oily liquid, Specific gravity: 1.176 (20°C)

• 용도

  Phoxim is used to control stored product insect pests in silos and barns. It is also used to control household insects such as ants and other public health pests. Agricultural targets include caterpillars and soil insects in maize, vegetables, cotton and potatoes.

• Safety Profile

  Poison by ingestion. An experimental teratogen. When heated to decomposition it emits very toxic fumes of CN-, NO,, PO,, and SO,. See also NITRILES.

• 신진 대사 경로

  The primary metabolic step in the metabolism of phoxim in most biological systems is hydrolysis to the oxime, which may occur either oxidatively or via oxidative desulfuration followed by hydrolysis of the oxon which is much more hydrolytically labile. Stage II metabolism in plants involves the oxime group of the oxaminophenylacetonitrile moiety being reduced to an amine followed by its conjugation with malonic acid. Phoxim is one of a quite large group of insecticidal organophosphates which generates tetraethyl pyrophosphate and its thio analogues under the influence of light. These are compounds which are very active as acetylcholinesterase inhibitors and highly toxic to mammals.

• 신진 대사

  Phoxim is oxidatively desulfurated to the oxon, which inhibits housefly AChE 270 times as quickly as bovine AChE. In mammals, the oxon is immediately hydrolyzed into diethyl hydrogen phosphate. The direct cleavage of the oxime ester bond of phoxim, the hydrolytic transformation of the nitrile group into carboxyl, and deethylation also contribute to the low mammalian toxicity. Elimination is very quick, 97% of the dose being excreted in the urine and feces in 24 h. Degradation in soils is also very rapid. By photochemical reactions, the thiooxime phosphate isomer, tetraethyl pyrophosphate, and its monothio analog are produced in small amounts on foliage.

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