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4,4-dimethyl-5-methylene-1,3-dioxolan-2-one

更新时间:2024-01-09 10:39:57

4,4-dimethyl-5-methylene-1,3-dioxolan-2-one结构式
4,4-dimethyl-5-methylene-1,3-dioxolan-2-one结构式
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常用名 4,4-dimethyl-5-methylene-1,3-dioxolan-2-one 英文名 4,4-dimethyl-5-methylene-1,3-dioxolan-2-one
CAS号 4437-80-3 分子量 128.12600
密度 1.11g/cm3 沸点 121.1ºC at 760 mmHg
分子式 C6H8O3 熔点 26ºC
MSDS N/A 闪点 48.6ºC

 名称

英文名 4,4-dimethyl-5-methylidene-1,3-dioxolan-2-one
英文别名 更多

 物理化学性质

密度 1.11g/cm3
沸点 121.1ºC at 760 mmHg
熔点 26ºC
分子式 C6H8O3
分子量 128.12600
闪点 48.6ºC
精确质量 128.04700
PSA 35.53000
LogP 1.44550
折射率 1.452

 安全信息

海关编码 2932999099

 合成线路

~99%

4,4-dimethyl-5-methylene-1,3-dioxolan-2-one结构式

4,4-dimethyl-5-...

4437-80-3

文献:Kayaki, Yoshihito; Yamamoto, Masafumi; Ikariya, Takao Journal of Organic Chemistry, 2007 , vol. 72, # 2 p. 647 - 649

~71%

4,4-dimethyl-5-methylene-1,3-dioxolan-2-one结构式

4,4-dimethyl-5-...

4437-80-3

文献:Kayaki, Yoshihito; Yamamoto, Masafumi; Ikariya, Takao Angewandte Chemie, International Edition, 2009 , vol. 48, # 23 p. 4194 - 4197

~97%

4,4-dimethyl-5-methylene-1,3-dioxolan-2-one结构式

4,4-dimethyl-5-...

4437-80-3

文献:Gu, Yanlong; Shi, Feng; Deng, Youquan Journal of Organic Chemistry, 2004 , vol. 69, # 2 p. 391 - 394

 海关

海关编码 2932999099
中文概述 2932999099. 其他仅含氧杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素 品名, 成分含量, 用途
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 英文别名

5,5-dimethyl-4-methylidene-1,3-dioxolan-2-one
4,4-dimethyl-5-methylen-1,3-dioxolan-2-one
EINECS 224-653-8
5-methylene-4,4-dimethyl-1,3-dioxolan-2-one
4,4-dimethyl-5-methylene-1,3-dioxolan-2-one
4-methylene-5,5-dimethyl-1,3-dioxolan-2-one
5,5-dimethyl-4-methylene-1,3-dioxolan-2-one