21402-58-4

• 常用中文名：(4,8-diacetyl-1-acetyloxy-7-hydroxy-2,9a-dimethyl-9-oxodibenzofuran-3-yl) acetate
• 常用英文名：(4,8-diacetyl-1-acetyloxy-7-hydroxy-2,9a-dimethyl-9-oxodibenzofuran-3-yl) acetate
• CAS号：21402-58-4
• 分子式：C₂₂H₂₀O₉
• 分子量：428.38900
• 发布时间：2017-03-17 23:45:51
• 更新时间：2025-09-08 17:09:44

名称

• 英文名: (4,8-diacetyl-1-acetyloxy-7-hydroxy-2,9a-dimethyl-9-oxodibenzofuran-3-yl) acetate
• 英文别名: Di-O-acetyl-usninsaeure; 7,9-diacetoxy-2,6-diacetyl-3-hydroxy-8,9b-dimethyl-9bH-dibenzofuran-1-one; (+-)-O7,O9-Diacetyl-usninsaeure; 1,4-Dioxaspiro[4.5]dec-7-ene-8-carboxaldehyde,7,9,9-trimethyl; 7,9,9-trimethyl-1,4-dioxaspiro[4,5]dec-7-en-8-carboxaldehyde; (+-)-O7,O9-diacetyl-usninic acid; O.O-Diacetyl-usninsaeure; 7,9-O,O-diacetylusnic acid

物化性质

• 密度: 1.43g/cm3
• 沸点: 619ºC at 760 mmHg
• 分子式: C₂₂H₂₀O₉
• 分子量: 428.38900
• 闪点: 215.3ºC
• 精确质量: 428.11100
• PSA: 133.27000
• LogP: 2.56600
• 蒸汽压: 3.51E-16mmHg at 25°C
• 折射率: 1.608