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乙酸异丁酯

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乙酸异丁酯[1][2][3][4]
IUPAC名
iso-Butyl Acetate
别名 乙酸(2-甲基丙)酯
醋酸异丁酯
IBAC
识别
CAS号 110-19-0 ?
SMILES
性质
化学式 C6H12O2
摩尔质量 116.16 g·mol⁻¹
外观 无色有果香液体
密度 0.875 g/cm3
熔点 -99 °C(174 K)
沸点 118 °C(391 K)
溶解性 微溶
0.63-0.7g/100g(20°C)
蒸气压 20 hPa(20 °C)
危险性
警示术语 R:R11, R66
安全术语 S:S2, S16, S23, S25, S29, S33
欧盟分类 可燃(F
闪点 18 °C
MAK 100 ml·m−3 或 480 mg·m−3
致死量或浓度:
LD50中位剂量
6200–6400 mg/kg (大鼠经口)
若非注明,所有数据均出自一般条件(25 ℃,100 kPa)下。

乙酸异丁酯,结构式CH3C(O)OCH2CH(CH3)2

性质

具柔和果酯香味的水白色透明液体。与等多种有机溶剂混溶。毒性较低,但高浓度下会引起衰弱和麻痹。

制备

乙酸异丁醇硫酸催化下进行酯化,再经中和、脱水和精馏而得。


从乙酸与异丁醇制取乙酸异丁酯。
从乙酸与异丁醇制取乙酸异丁酯。

用途

用作硝基清喷漆的溶剂,可以作为醋酸丁酯甲基异丁基酮的替代溶剂,也用作香味剂组分。

参考资料

  1. ^ 乙酸异丁酯性质, Canadian Centre for Occupational Health and Safety
  2. ^ 乙酸异丁酯, chemicalland21.com
  3. ^ Record of CAS RN 110-19-0 in the GESTIS Substance Database from the IFA英语Institute for Occupational Safety and Health
  4. ^ 中国化工产品大全 上卷,Da253 乙酸异丁酯,页557
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乙酸异丁酯
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