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质量水平
方案
99%
表单
crystals
沸点
142 °C/8 mmHg (lit.)
mp
116-119 °C
官能团
ester
储存温度
2-8°C
SMILES字符串
CC1OC(=O)C(C)OC1=O
InChI
1S/C6H8O4/c1-3-5(7)10-4(2)6(8)9-3/h3-4H,1-2H3
InChI key
JJTUDXZGHPGLLC-UHFFFAOYSA-N
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一般描述
3,6-二甲基-1,4-二恶烷-2,5-二酮（或 rac-丙交酯），是D和L-丙交酯50:50的外消旋混合物。rac-丙交酯是一种衍生自乳酸的内酯，因其源自丰富的可再生资源而引起了学术界和商业应用的极大兴趣。通过使用各种金属或有机催化剂，rac-丙交酯可以通过开环聚合进行聚合，从而得到聚（D，L-丙交酯）。虽然所得聚合物通常是无定形的，但立体定向催化剂的使用可生成异顺性PLA，其表现出一定程度的结晶度。
应用
3,6-二甲基-1,4-二恶烷-2,5-二酮可用作反应物：
- 合成聚乳酸和聚碳酸酯的多嵌段共聚物。
- 通过氧化丙烯、丙交酯和邻苯二甲酸酐的铝催化聚合生成多嵌段聚酯。
警示用语：
Warning
危险声明
危险分类
Eye Irrit. 2
储存分类代码
11 - Combustible Solids
WGK
WGK 2
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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