Cyanoiron complex salt

Japanese: シアノ鉄錯塩 - シアノてつさくえん(英語表記)cyanoiron complex salt
Cyanoiron complex salt
Hexacyano complexes of iron in the oxidation states II and III, as well as cyanide complexes containing both irons, are known.
[Hexacyanoferrate(II)]
Chemical formula: H 4 [Fe(CN) 6 ]. Commonly known as ferrocyanic acid. When concentrated hydrochloric acid is added to an aqueous solution of potassium ferricyanide (II), cooled, and ether is added, an ether adduct is obtained, which is then heated to 80-90°C in a dry hydrogen stream to obtain ferrocyanic acid. Colorless crystalline powder. Relatively stable in dry air. Decomposes when exposed to moisture, heat, or light, gradually turning green.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
酸化数IIおよびIIIの鉄のヘキサシアノ錯体と,両方の鉄を含むシアノ錯体が知られている。
[ヘキサシアノ鉄(II)酸]
 化学式H4[Fe(CN)6]。俗称フェロシアン酸。ヘキサシアノ鉄(II)酸カリウム水溶液に濃塩酸を加え,冷却してエーテルを加えるとエーテル付加物が得られ,これを乾燥水素気流中で80~90℃に加熱すると得られる。無色の結晶性粉末。乾燥した空気中では比較的安定。湿気,熱,光により分解して,しだいに緑色になる。

出典 株式会社平凡社世界大百科事典 第2版について 情報

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