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硬脂酸镉

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硬脂酸镉
英文名 Cadmium stearate
识别
CAS号 2223-93-0  checkY
SMILES
 
  • CCCCCCCCCCCCCCCCCC(=O)[O-].CCCCCCCCCCCCCCCCCC(=O)[O-].[Cd+2]
性质
化学式 C36H70CdO4
摩尔质量 679.35 g·mol−1
外观 白色粉末
密度 1.80 g/cm3
熔点 134 °C(407 K)
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

硬脂酸镉(Cadmium stearate),分子式Cd(C17H35COO)2

性质

[编辑]

白色微细粉末。相对密度1.28。熔点103~110 °C,沸点359.4 °C(在标准大气压下)。不溶于水,溶于热乙醇。加热溶解在有机溶剂中然后冷却,得到胶状物。与强酸反应生成硬脂酸和相应的镉盐。高毒,对呼吸道有刺激作用并可引起肺水肿;可破坏人体骨骼,引起骨质松软,周身骨骼疼痛等。详见镉中毒

制备

[编辑]

硬脂酸钠硫酸镉进行反应而得。经沉淀、甩水、干燥,得硬脂酸镉成品。

用途

[编辑]

用作聚氯乙烯的稳定剂,主要用于薄板、薄膜、软管和人造革等软质透明制品中。

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硬脂酸镉
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