swertianin
- 中文别名:当药宁
- 中文释义:当药宁;1,2,8-三羟基-6-甲氧基-9H-呫吨-9-酮
- 英文别名:9H-Xanthen-9-one, 1,2,8-trihydroxy-6-methoxy-;
Xanthen-9-one, 1,2,8-trihydroxy-6-methoxy- (6CI,8CI);
1,2,8-Trihydroxy-6-methoxy-9H-xanthen-9-one;
1,3,7,8-Tetrahydroxyxanthone 3-methyl ether;
1,7,8-Trihydroxy-3-methoxyxanthone;
3-Methoxy-1,7,8-trihydroxyxanthone;
Gentiakochianin;
Gentiakoxianin;
NSC 289490;
Swertianin;
Swertianine
- CAS No.:20882-75-1
- 分子式:
C14H10O6
- 分子量:274.22600
- 精确分子量:274.04774
- PSA:100.13000
- InChI:The Key: BDBVOZGRVBXANN-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.586g/cm3
- 熔点:
- 243℃
- 沸点:
- 576.9ºC at 760 mmHg
- 闪点:
- 226.7ºC
- 折射率:
- 1.714
- 蒸汽压:
- 6.59E-14mmHg at 25°C
安全信息
- 密度:
- 1.586g/cm3
- 熔点:
- 243℃
- 沸点:
- 576.9ºC at 760 mmHg
- 闪点:
- 226.7ºC
- 折射率:
- 1.714
- 蒸汽压:
- 6.59E-14mmHg at 25°C
毒理性
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- ZD6116600
- CHEMICAL NAME :
- Xanthen-9-one, 6-methoxy-1,2,8-trihydroxy-
- CAS REGISTRY NUMBER :
- 20882-75-1
- BEILSTEIN REFERENCE NO. :
- 1351024
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 1
- MOLECULAR FORMULA :
- C14-H10-O6
- MOLECULAR WEIGHT :
- 274.24
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
MUTATION DATA
- TYPE OF TEST :
- Mutation in microorganisms
- TEST SYSTEM :
- Bacteria - Salmonella typhimurium
- DOSE/DURATION :
- 100 ug/plate
- REFERENCE :
- CPBTAL Chemical and Pharmaceutical Bulletin. (Japan Pub. Trading Co., USA, 1255 Howard St., San Francisco, CA 94103) V.6- 1958- Volume(issue)/page/year: 32,2290,1984
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%
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