1,3-Dioxolane,2-(difluoromethylene)-4,4,5-trifluoro-5-(trifluoromethyl)-
- 中文别名:2-(二氟亚甲基)-4,4,5-三氟-5-(三氟甲基)-1,3-二氧戊环
- 英文别名:2-(difluoromethylene)-4,4,5-trifluoro-5-(trifluoromethyl)-1,3-dioxolane;
Einecs 241-290-0;
2-(Difluoromethylene)-4-(trifluoromethyl)-4,5,5-trifluoro-1,3-dioxolane;
perfluoro-2-methylene-2-methyl-1,3-dioxolane;
1,3-Dioxolane,2-(difluoromethylene)-4,4,5-trifluoro-5-(trifluoromethyl);
perfluoro-4-methyl-2-methylene-1,3-dioxolane;
perfluoro(2-methylene-4-methyl-1,3-dioxolane)
- CAS No.:17256-52-9
- 分子式:
C5F8O2
- 分子量:244.0395256
- 精确分子量:243.97700
- PSA:18.46000
- InChI:The Key: RFJVDJWCXSPUBY-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.72g/cm3
- 沸点:
- 1.7ºC at 760mmHg
- 折射率:
- 1.307
- 蒸汽压:
- 1710mmHg at 25°C
安全信息
- 密度:
- 1.72g/cm3
- 沸点:
- 1.7ºC at 760mmHg
- 折射率:
- 1.307
- 蒸汽压:
- 1710mmHg at 25°C
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%