과염소산 칼슘

그림문자(GHS)

• 그림문자(GHS)

  

• 유해·위험 문구

  H272：화재를 강렬하게 함; 산화제

  H315：피부에 자극을 일으킴

  H319：눈에 심한 자극을 일으킴

  H335：호흡 자극성을 일으킬 수 있음

• 예방조치문구

  P220：의류 그리고 가연성 물질로부터 멀리하시오.

  P221：가연성 물질과 혼합되지 않도록 조치하시오.

  P305+P351+P338：눈에 묻으면 몇 분간 물로 조심해서 씻으시오. 가능하면 콘택트렌즈를 제거하시오. 계속 씻으시오.

  P405：밀봉하여 저장하시오.

과염소산 칼슘 화학적 특성, 용도, 생산

• 개요

  The anhydrate is a white to yellow crystalline solid with a density of 2.651 g/cm3. Contact with this salt will irritate the eyes, skin and mucus membranes. If ingested, it is toxic in sufficient quantities. When formed from an aqueous solution, the tetrahydrate is obtained. Calcium perchlorate tetrahydrate has the formula Ca(ClO4)2·4H2O and the CAS number 15627-86-8. Its molecular weight is 311.04 g/mol and its density is 2.651 g/cm3. Its solubility in water is 188 g/ 100 ml at 20°C.

• 화학적 성질

  white crystal(s); oxidizing agent [HAW93]

• 용도

  Calcium perchlorate hydrate is used as a pharmaceutical intermediate.

• 제조 방법

  Calcium perchlorate can be prepared by reacting calcium carbonate with a solution of perchloric acid:
  CaCO3＋ HClO4→Ca(ClO4)2＋ CO2
  This salt can also be prepared by an electrochemical method in water whereby calcium perchlorate is formed from calcium chlorate in which a platinum anode and a rotating stainless steel cathode is employed.

• 일반 설명

  White to yellow crystalline solid. Density 2.651 g / cm3. Contact may irritate skin, eyes, and mucous membranes. May be toxic by ingestion.

• 공기와 물의 반응

  Water soluble.

• 반응 프로필

  A strong oxidizing agent. Can react with reducing agents to generate heat and products that may be gaseous (causing pressurization in closed containers). The products may themselves be capable of further reactions (such as combustion in the air). Redox reactions can be rapid or even explosive, but often requires initiation (heat, spark, catalyst, addition of a solvent). Consequently explosive mixtures with reducing agents often persist unchanged for long periods. Such systems are typically mixtures of solids, but may involve any combination of physical states. Can react violently with active metals, cyanides, esters, and thiocyanates. May cause the acceleration of the burning of combustible materials. Prolonged exposure to heat of flames may result in an explosion.

• 건강위험

  Inhalation, ingestion or contact (skin, eyes) with vapors or substance may cause severe injury, burns or death. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may cause pollution.

• 화재위험

  These substances will accelerate burning when involved in a fire. Some may decompose explosively when heated or involved in a fire. May explode from heat or contamination. Some will react explosively with hydrocarbons (fuels). May ignite combustibles (wood, paper, oil, clothing, etc.). Containers may explode when heated. Runoff may create fire or explosion hazard.

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