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乙酸锌

此条目可参照英语维基百科相应条目来扩充。 (2017年8月)若您熟悉来源语言和主题,请协助参考外语维基百科扩充条目。请勿直接提交机械翻译,也不要翻译不可靠、低品质内容。依版权协议,译文需在编辑摘要注明来源,或于讨论页顶部标记((Translated page))标签。
乙酸锌[1]
IUPAC名
Zinc acetate
别名 醋酸锌
E 650
识别
CAS号 557-34-6(无水)  checkY
5970-45-6(二水)  checkY
SMILES
 
  • CC([O-])=O.CC([O-])=O.[Zn+2]
RTECS ZG8750000
性质
化学式 C4H6O4Zn (无水)
C4H10O6Zn (二水)
摩尔质量 183.48 g/mol (无水)
219.50 g/mol (二水)
外观 无色结晶固体
密度 1.735 g/cm3 (二水)
熔点 237 °C分解
(二水乙酸锌在100 °C失水)
沸点 分解
溶解性 43 g/100 mL (20 °C,二水)
溶解性 可溶于乙醇
结构
配位几何 八面体 (二水)
分子构型 四面体
危险性
警示术语 R:R22
安全术语 S:S24/25
欧盟分类 有害(Xn
相关物质
其他阴离子 氯化锌
其他阳离子 乙酸铜
相关化学品 碱式醋酸铍
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

乙酸锌,化学式Zn(CH3COO)2

性质

[编辑]

二水合物为白色单斜具针状光泽的片状结晶,微有乙酸味。可溶于水和乙醇。加热至100 °C时失去两个结晶水。减压(19.997kPa)加热至200 °C时升华而不分解。低毒。

制备

[编辑]

氧化锌乙酸在加过氧化氢煮沸的条件(100 °C、79.99kPa)下[来源请求]进行反应,经静置、抽滤、结晶而得。

用途

[编辑]

用作制备醋酸乙烯酯时的催化剂、印染媒染剂、瓷器釉料、木材防腐剂、收敛剂、防腐消毒剂等。

参考资料

[编辑]
  1. ^ Record of Zinkacetat in the GESTIS Substance Database from the IFA英语Institute for Occupational Safety and Health
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乙酸锌
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