6335-27-9

• 常用中文名：2H-1-Benzopyran-2-one, 4,7-dimethyl-5-hydroxy-
• 常用英文名：2H-1-Benzopyran-2-one, 4,7-dimethyl-5-hydroxy-
• CAS号：6335-27-9
• 分子式：C₁₁H₁₀O₃
• 分子量：190.19500
• 发布时间：2017-04-10 13:50:34
• 更新时间：2025-08-23 17:30:43

名称

• 英文名: 5-hydroxy-4,7-dimethylchromen-2-one
• 英文别名: 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

物化性质

• 密度: 1.269g/cm3
• 沸点: 371.3ºC at 760 mmHg
• 分子式: C₁₁H₁₀O₃
• 分子量: 190.19500
• 闪点: 167.2ºC
• 精确质量: 190.06300
• PSA: 50.44000
• LogP: 2.11540
• 折射率: 1.599

毒性和生态

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

安全

• 海关编码: 2932209090

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海关

海关编码	2932209090
中文概述	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
Summary	2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%