2,5-Furandione,3,4-difluoro-
- 中文别名:二氟马来酸酐
- 中文释义:3,4-difluorofuran-2,5-dione
- 英文别名:3,4-difluorofuran-2,5-dione;
Difluoromaleic anhydride;
3,4-DIFLUORO-2,5-FURANDIONE;
3,4-difluoro-furan-2,5-dione;
2,5-Furandione,difluoro;
2,5-Furandione,3,4-difluoro;
difluoro-maleic acid anhydride;
Difluormaleinsaeureanhydrid
- CAS No.:669-78-3
- 分子式:C4F2O3
- 分子量:0
- 精确分子量:133.98200
- PSA:43.37000
- InChI:The Key: DZTLWXJLPNCYDV-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.66g/cm3
- 沸点:
- 129.7ºC at 760 mmHg
- 闪点:
- 32.2ºC
- 折射率:
- 1.416
安全信息
- 密度:
- 1.66g/cm3
- 沸点:
- 129.7ºC at 760 mmHg
- 闪点:
- 32.2ºC
- 折射率:
- 1.416
海关数据
中国海关编码:2917190090
- 概述:
- 2917190090 其他无环多元羧酸. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:6.5% 普通关税:30.0%
- 申报要素:
- 品名, 成分含量, 用途, 对苯二甲酸请注明4-CBA值, 对苯二甲酸请注明P-TL酸值, 对苯二甲酸请注明色度, 对苯二甲酸请注明水分
- 摘要/Summary:
- 2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%