21849-70-7

• 常用中文名：2',4',3,4-Tetrahydroxy chalcone
• 常用英文名：2',4',3,4-Tetrahydroxy chalcone
• CAS号：21849-70-7
• 分子式：C₁₅H₁₂O₅
• 分子量：272.253
• 发布时间：2017-03-28 11:14:19
• 更新时间：2025-08-24 23:53:34

名称

• 英文名: butein
• 英文别名: 2-Propen-1-one, 1-(2,4-dihydroxyphenyl)-3-(3,4-dihydroxyphenyl)-; 3,4,2',4'-tetrahydroxychalcone; 2',3,4,4'-tetrahydroxychalcone; 2',4',3,4-Tetrahydroxy chalcone; 1-(2,4-Dihydroxyphenyl)-3-(3,4-dihydroxyphenyl)-2-propen-1-one; 2',3,4,4'-tetrahydrochalcone; 2',4',3,4-tetrahydroxychalcone

物化性质

• 密度: 1.5±0.1 g/cm3
• 沸点: 560.9±50.0 °C at 760 mmHg
• 分子式: C₁₅H₁₂O₅
• 分子量: 272.253
• 闪点: 307.1±26.6 °C
• 精确质量: 272.068481
• PSA: 97.99000
• LogP: 2.66
• 外观性状: 黄色固体
• 蒸汽压: 0.0±1.6 mmHg at 25°C
• 折射率: 1.748

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : UD5574130 CHEMICAL NAME : 2-Propen-1-one, 1-(2,4-dihydroxyphenyl)-3-(3,4-dihydroxyphenyl)- CAS REGISTRY NUMBER : 21849-70-7 LAST UPDATED : 198909 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C15-H12-O5 MOLECULAR WEIGHT : 272.27 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Unreported SPECIES OBSERVED : Mammal - species unspecified DOSE/DURATION : 610 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : PCJOAU Pharmaceutical Chemistry Journal (English Translation). Translation of KHFZAN. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013) No.1- 1967- Volume(issue)/page/year: 20,406,1986

安全

• 安全声明 (欧洲): 22-24/25