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CAS 7705-08-0

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Iron chloride (FeCl3)

Description:
Iron chloride, specifically ferric chloride (FeCl3), is an inorganic compound characterized by its dark brown to yellowish appearance in solid form. It is highly soluble in water, forming a yellow solution, and is known for its hygroscopic nature, meaning it readily absorbs moisture from the air. Ferric chloride is a strong Lewis acid and can act as an oxidizing agent, making it useful in various chemical reactions and industrial applications, including water treatment, etching of metals, and as a catalyst in organic synthesis. In its anhydrous form, it exists as a crystalline solid, while the hydrated form typically contains six water molecules per formula unit. The compound can release hydrochloric acid upon dissolution, contributing to its corrosive properties. Safety precautions are necessary when handling FeCl3, as it can cause skin and eye irritation. Additionally, it is important to store it in a cool, dry place to prevent hydrolysis and degradation.
Formula:Cl3Fe
InChI:InChI=1/3ClH.Fe/h3*1H;/q;;;+3/p-3
InChI key:InChIKey=RBTARNINKXHZNM-UHFFFAOYSA-K
SMILES:[Fe](Cl)(Cl)Cl
Synonyms:
  • Bellair green plus
  • Clarfer
  • Clayfec
  • Danube clear classic
  • Donau klar classic
  • Eisentrichlorid
  • FC-Pix
  • Ferric Chloride
  • Ferric chloride, anhydrous
  • Ferric trichloride
  • See more synonyms
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