73791-19-2

• 常用中文名：4-Hydroxy-3-(p-tolyl)-2H-1-benzopyran-2-one
• 常用英文名：4-Hydroxy-3-(p-tolyl)-2H-1-benzopyran-2-one
• CAS号：73791-19-2
• 分子式：C₁₆H₁₂O₃
• 分子量：252.26500
• 发布时间：2018-06-21 11:29:46
• 更新时间：2025-09-06 16:19:57

名称

• 英文名: 4-hydroxy-3-(4-methylphenyl)chromen-2-one
• 英文别名: 4-hydroxy-3-p-tolyl-chromen-2-one; 4-hydroxy-3-p-tolyl-2H-chromen-2-one; 4-hydroxy-3-p-tolylcoumarin; 4-Hydroxy-3-p-tolyl-cumarin

物化性质

• 密度: 1.324g/cm3
• 沸点: 406.1ºC at 760 mmHg
• 分子式: C₁₆H₁₂O₃
• 分子量: 252.26500
• 闪点: 153.2ºC
• 精确质量: 252.07900
• PSA: 50.44000
• LogP: 3.47400
• 折射率: 1.663

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : GN7648500 CHEMICAL NAME : Coumarin, 4-hydroxy-3-(p-tolyl)- CAS REGISTRY NUMBER : 73791-19-2 BEILSTEIN REFERENCE NO. : 1287628 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C16-H12-O3 MOLECULAR WEIGHT : 252.28 WISWESSER LINE NOTATION : T66 BO CVJ EQ DR D1 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 : 250 mg/kg TOXIC EFFECTS : Behavioral - altered sleep time (including change in righting reflex) Behavioral - muscle contraction or spasticity Lungs, Thorax, or Respiration - respiratory stimulation REFERENCE : ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 14,29,1964