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蒸汽密度
4 (vs air)
质量水平
方案
98%
表单
liquid
折射率
n20/D 1.471 (lit.)
沸点
213-214 °C (lit.)
mp
6-10 °C (lit.)
密度
1.247 g/mL at 25 °C (lit.)
SMILES字符串
CC1=CC(=O)OC1=O
InChI
1S/C5H4O3/c1-3-2-4(6)8-5(3)7/h2H,1H3
InChI key
AYKYXWQEBUNJCN-UHFFFAOYSA-N
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一般描述
柠檬酸酐是马来酸酐的衍生物,也称为2-甲基马来酸酐。由于酸酐基团的存在,它具有高活性,可以进行水解、酯化、酰胺化和加成反应。 它可以作为交联剂,在聚合物链之间形成共价键,提高聚合物网络的机械强度和热稳定性。它们是生物偶联和生物活性分子固定的潜在工具。
应用
柠檬酸酐可作为:
- 高温袋式锂离子电池的电解质添加剂。柠檬酸酐降低了袋状电池在高温贮存过程中的界面阻抗,提高了袋状电池的稳定性。
- 作为一种pH敏感连接剂,用于药物输送系统生物分子的表面功能化。柠檬酸酸酐偶联物的高pH敏感性是由于其双键的存在限制了酰胺和羧基之间的分离。
- 作为试剂,通过杂-Diels–Alder反应合成新的硫代吡喃[2,3-d][1,3]噻唑衍生物。这些硫代吡喃衍生物具有多种生物活性,如抗癌、抗病毒和抗锥虫。
- 作为共聚单体与d-木糖3,5-无水糖衍生物开环聚合,形成新型糖源聚酯,可再生含量高达100%。 可以作为聚合物合成的可持续原料。
警示用语:
Danger
危险声明
危险分类
Eye Dam. 1 - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1
储存分类代码
8A - Combustible corrosive hazardous materials
WGK
WGK 3
闪点(°F)
231.8 °F - closed cup
闪点(°C)
111 °C - closed cup
个人防护装备
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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