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硬脂酸镁

硬脂酸镁[1]
IUPAC名
Magnesium octadecanoate
识别
CAS号 557-04-0 ?
PubChem 11177
SMILES
 
  • CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].[Mg+2]
性质
化学式 C36H70MgO4
摩尔质量 591.27 g·mol⁻¹
外观 白色粉末
密度 1.05 g·cm−3[2]
熔点 150 °C(423 K)
溶解性 不溶于水
溶解性(其他) 微溶于,不溶于
危险性
MSDS 硬脂酸镁MSDS
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

硬脂酸镁,分子式(C17H35COO)2Mg。

性质

[编辑]

白色无臭无味细软光亮粉末。微溶于水,溶于热的乙醇溶液。与强酸反应生成硬脂酸和相应的镁盐。工业品含少量油酸和7%的氧化镁。低毒。

制备

[编辑]

硬脂酸氢氧化钠反应生成钠皂与硫酸镁溶液反应,经分离、在90°C干燥而得。

用途

[编辑]

用作药片脱模剂、化妆品配料,也用于配合钙皂和锌皂,而作为聚氯乙烯的稳定剂。

参考资料

[编辑]
  1. ^ Record of CAS RN 557-04-0 in the GESTIS Substance Database from the IFA英语Institute for Occupational Safety and Health
  2. ^ 存档副本 (PDF). [2009-12-24]. (原始内容 (PDF)存档于2007-10-08). 
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硬脂酸镁
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