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硫氰酸金钾

硫氰酸金钾
IUPAC名
Gold(III) potassium thiocyanate
识别
CAS号 14878-14-9  checkY
性质
化学式 K[Au(SCN)4]
摩尔质量 468.39 g·mol⁻¹
外观 红色固体
溶解性 不溶于水,但溶于乙醇乙腈丙酮
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

硫氰酸金钾,即四硫氰酸根合金(III)酸钾,是化学式为K[Au(SCN)4]的红色固体。红外光谱表明,硫氰酸金钾中的硫氰根以进行键合。[1]

制备

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硫氰酸金(III)钾可以通过硫氰酸钾氯金酸钾在冷水中反应制备[1]

KAuCl4 + 4 KSCN —冷水→ K[Au(SCN)4]↓ + 4 KCl

物理性质

[编辑]

硫氰酸金钾是一种红色固体,不溶于,但溶于乙醇乙腈丙酮[1]

参考资料

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  1. ^ 1.0 1.1 1.2 《无机化学》丛书.张青莲 主编.第六卷 卤素 铜分族 锌分族.3.6 金(III)化合物
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硫氰酸金钾
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