메틸수은

그림문자(GHS)

• 그림문자(GHS)

  

• 신호 어

  Danger

• 유해·위험 문구

  H300：삼키면 치명적임

  H310：피부와 접촉하면 치명적임

  H330：흡입하면 치명적임

  H373：장기간 또는 반복 노출되면 장기(또는, 영향을 받은 알려진 모든 장기를 명시)에 손상을 일으킬 수 있음

  H410：장기적 영향에 의해 수생생물에 매우 유독함

• 예방조치문구

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

  P262：눈, 피부, 의복에 묻지 않도록 하시오.

  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+P350：피부에 묻은 경우,비눗물로 부드럽게 씻기

  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.

  P314：불편함을 느끼면 의학적인 조치·조언을 구하시오.

  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.

메틸수은 화학적 특성, 용도, 생산

• 개요

  Much of the notoriety of methylmercury has been generated from three separate mass poisoning events, two in Japan and one in Iraq. These events, at Minamata Bay in Niigata prefecture, and in Basra, demonstrated the potential lethality of methylmercury after it was a known toxic substance, and, though mercury is still an important risk factor for developmental toxicity, since the 1970s there have not been any large-scale poisonings of this type. Methylmercury is formed naturally in aquatic environments through the action of anaerobic bacteria on inorganic mercury.

• 화학적 성질

  Water soluble, lipid soluble, high vaporpressure.

• 용도

  Organomercury compounds such as aryl and alkoxy-aryl have been used in medicine, agriculture, and laboratory research. Their use in medicine and in fungicides has been greatly reduced or eliminated.

• 정의

  Either of two com-pounds that contain the methyl group and commonsalts of monomethylmercury.

• 위험도

  Mutagen; possible carcinogen; teratogen;central nervous system poisons that easily passthrough the blood–brain barrier.

• Safety Profile

  A poison. An experimental teratogen. Experimental reproductive effects. Mutation data reported. Used as a fungicide. When heated to decomposition it emits toxic fumes of Hg.

• 잠재적 노출

  Methyl mercury has been used as seed disinfectants and for fungicides. It has also been used in organic synthesis.

• 환경귀착

  Inorganicmercury introduced as a pollutant into natural waters is scavenged by particulate matter and deposited into bottom sediments. Free Hg2+ is gradually released from this pool of slightly soluble inorganic mercury and is then transformed by microbial activity into methylmercury. Methylmercury diffuses into thewater column and is takenupbyfishand other organisms (either directly through water or through the food chain), and accumulated in their tissue. The degree to which mercury is transformed into methylmercury and transferred up the food chain through bioaccumulation depends on a variety of factors, including water chemistry and the complexity of the food web.

• 운송 방법

  UN2025 Mercury compounds, solid, n.o.s., Hazard Class: 6.1; Labels: 6.2-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. May be sensitive to light.

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