26687-80-9

• 常用中文名：4-bromo-6-tert-butyl-3-hydroxy-6-methylpyran-2,5-dione
• 常用英文名：4-bromo-6-tert-butyl-3-hydroxy-6-methylpyran-2,5-dione
• CAS号：26687-80-9
• 分子式：C₁₀H₁₃BrO₄
• 分子量：277.11200
• 发布时间：2017-09-02 01:57:00
• 更新时间：2025-10-07 13:02:01

名称

• 英文名: 4-bromo-6-tert-butyl-3-hydroxy-6-methylpyran-2,5-dione
• 英文别名: 4-Bromo-2-methyl-2-tert-butylketolactone; Substance 86; 2-Methyl-2-tert-butyl-ketolactone

物化性质

• 密度: 1.576g/cm3
• 沸点: 328.7ºC at 760mmHg
• 分子式: C₁₀H₁₃BrO₄
• 分子量: 277.11200
• 闪点: 152.6ºC
• 精确质量: 276.00000
• PSA: 63.60000
• LogP: 2.08160
• 蒸汽压: 1.39E-05mmHg at 25°C
• 折射率: 1.558

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : UP8500000 CHEMICAL NAME : 2H-Pyran-2,5(6H)-dione, 4-bromo-6-tert-butyl-3-hydroxy-6-methyl- CAS REGISTRY NUMBER : 26687-80-9 LAST UPDATED : 198612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C10-H13-Br-O4 MOLECULAR WEIGHT : 277.14 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 2 gm/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : PHMGBN Pharmacology: International Journal of Experimental and Clinical Pharmacology. (S. Karger AG, Postfach CH-4009 Basel, Switzerland) V.1- 1968- Volume(issue)/page/year: 4,152,1970