3,5-Dibromo-2H-pyran-2-one
- 中文别名:35-二溴-2H-吡喃-2-酮
- 中文释义:3,5-二溴-2H-吡喃-2-酮
- 英文别名:3,5-Dibromo-2H-pyran-2-one;
3,5-dibromopyran-2-one;
2,5-dibromo-2,4-dinitrothiophene;
2,5-dibromo-3,4-dinitrothiophen;
3,5-dibromo-2-pyrone;
2,5-Dibromo-3,4-dinitro-thiophene;
2,5-dibromo-2-pyrone;
2,5-Dibrom-3,4-dinitro-thiophen
- CAS No.:19978-41-7
- 分子式:
- 分子量:0
- 精确分子量:251.84200
- PSA:30.21000
- 分子结构式:
物化性质
- 密度:
- 2.411g/cm3
- 沸点:
- 230.2ºC at 760 mmHg
- 闪点:
- 93ºC
- 折射率:
- 1.675
- 蒸汽压:
- 0.0667mmHg at 25°C
安全信息
- 密度:
- 2.411g/cm3
- 沸点:
- 230.2ºC at 760 mmHg
- 闪点:
- 93ºC
- 折射率:
- 1.675
- 蒸汽压:
- 0.0667mmHg 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%