4,4-dimethyl-5-methylidene-1,3-dioxolan-2-one
- 中文别名:4,4-二甲基-5-亚甲基-1,3-二氧戊环-2-酮
- 英文别名:4,4-dimethyl-5-methylidene-1,3-dioxolan-2-one;
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
- CAS No.:4437-80-3
- 分子式:C6H8O3
- 分子量:128.12600
- 精确分子量:128.04700
- PSA:35.53000
- InChI:The Key: WUGCPRNXGBZRMC-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.11g/cm3
- 熔点:
- 26ºC
- 沸点:
- 121.1ºC at 760 mmHg
- 闪点:
- 48.6ºC
- 折射率:
- 1.452
安全信息
- 密度:
- 1.11g/cm3
- 熔点:
- 26ºC
- 沸点:
- 121.1ºC at 760 mmHg
- 闪点:
- 48.6ºC
- 折射率:
- 1.452
海关数据
中国海关编码:2932999099
- 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
- 摘要/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%