은아자이드

그림문자(GHS)

• 그림문자(GHS)

  

• 신호 어

  Danger

• 유해·위험 문구

  H200：불안정한 폭발성 물질

• 예방조치문구

  P201：사용 전 취급 설명서를 확보하시오.

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

  P281：요구되는 개인 보호구를 착용하시오

  P372：화재 시 폭발 위험성이 있음.

  P373：화염이 폭발성 물질에 도달하면 불을 끄려 하지 마시오.

  P380：구역에 있는 사람들을 대피시킴

  P401：...에 따라 저장하시오.

  P501：...에 내용물 / 용기를 폐기 하시오.

은아자이드 화학적 특성, 용도, 생산

• 화학적 성질

  orthorhombic, a=0.559 nm, b=0.591 nm, c=0.610nm; can be prepared by reacting silver nitrate solution with hydrazine or hydrazoic acid; sensitive to shock [KIR83] [CIC73]

• 용도

  It is used as a primary explosive, often as areplacement for lead azide. It may be usedin smaller quantities than lead azide as ainitiator.

• 건강위험

  Silver azide is a highly toxic substance. Thetoxic effects have not been reported.

• 화재위험

  It is a primary explosive. It explodes violently upon thermal and mechanical shock. It requires lesser energy for initiation than lead azide and also fires with a shorter time delay. The heats of combustion and detonation are 1037 and 454 cal/g, respectively (i.e., 156 and 68 kcal/mol, respectively). The detonation velocity is 6.8 km/sec (at the crystal density 5.1 g/cm3). The pure compound explodes at 340°C (644°F) (Mellor 1967). The detonation can occur at much lower temperatures in an electric field when initiated by irradiation. Also, the presence of impurities can lower down the temperature of detonation. Such impurities include oxides, sulfides, and selenides of copper and other metals.
  It reacts with halogens forming halogen azides, often producing explosions. It reacts explosively with chlorine dioxide, most interhalogen compounds, and many dyes. It reacts with acids forming heat- and shock-sensitive hydrazoic acid. When mixed with salt solutions of heavy metals, their azides are formed, which are sensitive to heat, impact and electric charge.

• Safety Profile

  Explodes when heated above 270°C or on impact. Pure silver azide explodes at 340℃. An electric field or irradiation by electron pulses can explode the crystals. Shock-sensitive when dry and has detonated @ 250℃. Solutions in aqueous ammonia explode above 100°C. Reacts to form more explosive products with iodine (forms iodine azide); bromine and other halogens. The presence of metal oxides or metal sulfides increases the azide's sensitivity to explosion. lMixtures with sulfur dioxide are explosive. When heated to decomposition it emits toxic fumes of NOx. See also AZIDES and SILVER COMPOUNDS.

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