6991-16-8

• 常用中文名：3-[(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraenylidene]pentane-2,4-dione
• 常用英文名：3-[(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraenylidene]pentane-2,4-dione
• CAS号：6991-16-8
• 分子式：C₂₅H₃₄O₂
• 分子量：366.53600
• 发布时间：2017-05-25 17:45:58
• 更新时间：2025-08-24 18:48:03

名称

• 英文名: 3-[(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraenylidene]pentane-2,4-dione
• 英文别名: 2,4-Pentanedione,3-(3,7-dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonatetraenylidene)-,(all-E); 3-Retinylidene-2,4-pentanedione,trans; 3-(3,7-Dimethyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4,6,8-nonatetraenylidene)-2,4-pentanedione (all-E)

物化性质

• 密度: 0.983g/cm3
• 沸点: 542.6ºC at 760 mmHg
• 分子式: C₂₅H₃₄O₂
• 分子量: 366.53600
• 闪点: 199.2ºC
• 精确质量: 366.25600
• PSA: 34.14000
• LogP: 6.62240
• 折射率: 1.54