9H-Xanthen-9-one,1,7-dihydroxy-3-methoxy-
- 中文别名:龙胆根素
- 中文释义:龙胆根素;龍膽根素;二羟基龙胆ZHAN吨酮;1,7-二羥二苯并哌哢;3-甲氧[印]度黃酮;龙胆口山酮
- 英文别名:gentisin;
GENTIANIC ACID;
1,7-dihydroxy-3-methoxy-9H-xanthen-9-one;
Gentisine;
1,7-Dihydroxy-3-methoxy-xanthon;
Gentisin;
EINECS 207-114-1;
1,7-Dihydroxy-3-methoxy-xanthen-9-on;
1,7-dihydroxy-3-methoxyxanthen-9-one;
Xanthen-9-one,1,7-dihydroxy-3-methoxy;
Gentianin;
1,7-dihydroxy-3-methoxy-xanthen-9-one;
1,7-Dihydroxy-3-methoxyxanthone
- CAS No.:437-50-3
- 分子式:
C14H10O5
- 分子量:258.23
- 精确分子量:258.05300
- PSA:79.90000
- InChI:The Key: XOXYHGOIRWABTC-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.48g/cm3
- 沸点:
- 519.9ºC at 760mmHg
- 闪点:
- 205.2ºC
- 折射率:
- 1.68
- 蒸汽压:
- 1.99E-11mmHg at 25°C
安全信息
- 密度:
- 1.48g/cm3
- 沸点:
- 519.9ºC at 760mmHg
- 闪点:
- 205.2ºC
- 折射率:
- 1.68
- 蒸汽压:
- 1.99E-11mmHg 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%