루비듐 브롬화물

그림문자(GHS)

• 그림문자(GHS)

  

• 신호 어

  Warning

• 유해·위험 문구

  H315：피부에 자극을 일으킴

  H319：눈에 심한 자극을 일으킴

  H335：호흡 자극성을 일으킬 수 있음

• 예방조치문구

  P280：보호장갑/보호의/보안경/안면보호구를 착용하시오.

  P302+P352：피부에 묻으면 다량의 물로 씻으시오.

루비듐 브롬화물 화학적 특성, 용도, 생산

• 개요

  Rubidium bromide (RbBr) is a hygroscopic material, which is generally similar to the other rubidium halides.
  Rubidium bromide is the bromide of rubidium. It has a NaCl crystal structure, with a lattice constant of 685 picometres.
  There are several methods for synthesising rubidium bromide. One involves reacting rubidium hydroxide with hydrobromic acid:
  RbOH + HBr → RbBr + H2O
  Another method is to neutralize rubidium carbonate with hydrobromic acid:
  Rb2CO3 + 2 HBr → 2 RbBr + H2O + CO2
  Rubidium metal would react directly with bromine to form RbBr, but this is not a sensible production method, since rubidium metal is substantially more expensive than the carbonate or hydroxide; moreover, the reaction would be explosive.

• 화학적 성질

  white crystalline powder

• 용도

  Rubidium bromide is used in infrared optics.

• Purification Methods

  The bromide is a white crystalline powder which crystallises from H2O (solubility: 50% in cold and 67% in boiling H2O to give a neutral solution). It also crystallises from near-boiling water (0.5mL/g) by cooling to 0o.

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