5-hydroxy-4,7-dimethylchromen-2-one
- 中文别名：5-hydroxy-4,7-dimethylchromen-2-one
- 中文释义：5-hydroxy-4,7-dimethylchromen-2-one
- 英文别名：5-hydroxy-4,7-dimethylchromen-2-one;
4,7-dimethyl-5-hydroxy-2H-1-benzopyran-2-one;
Coumarin,4,7-dimethyl-5-hydroxy;
4,7-dimethyl-5-hydroxycoumarin;
5-hydroxy-4,7-dimethyl-2H-chromen-2-one;
5-hydroxy-4,7-dimethylcoumarin;
5-hydroxy-4,7-dimethyl-6-nitrosocoumarin;
5-hydroxy-4,7-dimethyl-2H-1-benzopyran-2-one;
2H-1-Benzopyran-2-one,4,7-dimethyl-5-hydroxy
- cas No.：6335-27-9
- 分子式：C11H10O3
- 分子量：190.19500
- 精确分子量：190.06300
- PSA：50.44000
- InChI：The Key: JJHLYYXMYNBADE-UHFFFAOYSA-N
- 分子结构式：
物化性质
- 密度：
- 1.269g/cm3
- 沸点：
- 371.3ºC at 760 mmHg
- 闪点：
- 167.2ºC
- 折射率：
- 1.599
安全信息
- 密度：
- 1.269g/cm3
- 沸点：
- 371.3ºC at 760 mmHg
- 闪点：
- 167.2ºC
- 折射率：
- 1.599
毒理性
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- GN6705000
- CHEMICAL NAME :
- Coumarin, 4,7-dimethyl-5-hydroxy-
- CAS REGISTRY NUMBER :
- 6335-27-9
- BEILSTEIN REFERENCE NO. :
- 0163053
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 1
- MOLECULAR FORMULA :
- C11-H10-O3
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- >3200 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- MPHEAE Medicina et Pharmacologia Experimentalis. (Basel, Switzerland) V.12-17, 1965-67. For publisher information, see PHMGBN. Volume(issue)/page/year: 17,497,1967
海关数据
中国海关编码：2932209090
- 概述：
- 2932209090. 其他内酯. 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：
- 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%