D103705
二甘醇酐
technical grade, 90%
别名:
1,4-二氧杂六环-2,6-二酮
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关于此项目
经验公式（希尔记法）:
C4H4O4
化学文摘社编号:
分子量:
116.07
Beilstein:
112527
EC 号:
MDL编号:
UNSPSC代码:
12162002
PubChem化学物质编号:
NACRES:
NA.23
等级
technical grade
方案
90%
表单
crystals
沸点
240-241 °C (lit.)
mp
92-93 °C (lit.)
SMILES字符串
O=C1COCC(=O)O1
InChI
1S/C4H4O4/c5-3-1-7-2-4(6)8-3/h1-2H2
InChI key
PIYNUZCGMLCXKJ-UHFFFAOYSA-N
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一般描述
二甘醇酐(DGA)来自二甘醇酸，以其聚酯和聚酰胺类合成能力著称。二甘醇酐具有低分子量和羟基、胺基带来的高反应性，适于作为聚合物生产的中间体。它可促进交联网络的形成，增强聚合物的机械特性。
应用
二甘醇酐可用于：
- 作为原料合成生物基聚酯和聚酯酰胺，赋予优异的热稳定性和良好的有机溶剂溶解性。
- 功能化修饰聚对苯二甲酸乙二酯(PET)纳米纤维，用于稀土元素回收。在水溶液稀土元素离子回收中，二甘醇酐表现快速的结合动力学和高选择性，可增强金属吸附。
- 作为前体制作可降解聚酯网络涂层，用于防止医疗器械表面发生生物污染。
警示用语：
Warning
危险声明
危险分类
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
靶器官
Respiratory system
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
dust mask type N95 (US), Eyeshields, Gloves
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