42286-84-0

• 常用中文名：5-methylchromen-2-one
• 常用英文名：5-methylchromen-2-one
• CAS号：42286-84-0
• 分子式：C₁₀H₈O₂
• 分子量：160.16900
• 发布时间：2016-11-06 04:06:53
• 更新时间：2025-09-19 11:08:40

名称

• 英文名: 5-methylchromen-2-one
• 英文别名: COUMARIN,5-METHYL; 5-methyl-chromen-2-one; 2H-1-Benzopyran-2-one,5-methyl; 5-methyl-2H-1-benzopyran-2-one; 5-Methyl-2H-1-benzopyran-2-on; 5-methylchromone; 5-Methylcoumarin; 5-Methyl-cumarin

物化性质

• 密度: 1.2g/cm3
• 沸点: 310.3ºC at 760 mmHg
• 分子式: C₁₀H₈O₂
• 分子量: 160.16900
• 闪点: 127.1ºC
• 精确质量: 160.05200
• PSA: 30.21000
• LogP: 2.10140
• 折射率: 1.583

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : GN7791500 CHEMICAL NAME : Coumarin, 5-methyl- CAS REGISTRY NUMBER : 42286-84-0 BEILSTEIN REFERENCE NO. : 0121650 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C10-H8-O2 MOLECULAR WEIGHT : 160.18 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Subcutaneous SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 261 mg/kg TOXIC EFFECTS : Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold REFERENCE : YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 76,186,1956

安全

• 海关编码: 2932209090

合成路线

617-48-1 108-39-4 ~68% 42286-84-0

文献：Bratulescu, George Synthesis, 2008 , # 18 art. no. Z23607SS, p. 2871 - 2873

617-48-1 108-39-4 ~12% 42286-84-0 2445-83-2

文献：Osborne, A. G. Tetrahedron, 1981 , vol. 37, p. 2021 - 2025

108-39-4 ~% 42286-84-0

文献：Ziegler, Thomas; Moehler, Hans; Effenberger, Franz Chemische Berichte, 1987 , vol. 120, p. 373 - 378

105786-76-3 ~% 42286-84-0 2445-83-2

文献：Ziegler, Thomas; Moehler, Hans; Effenberger, Franz Chemische Berichte, 1987 , vol. 120, p. 373 - 378

18362-36-2 108-24-7 ~% 42286-84-0

文献：Chuit; Bolsing Bulletin de la Societe Chimique de France, 1906 , vol. <3> 35, p. 88

上下游产品

上游产品  5
617-48-1 108-39-4 105786-76-3 18362-36-2
108-24-7
下游产品  0

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%