3689-45-0
英文名称
3,3-bis(4-hydroxy-3,5-dimethyl-phenyl)isobenzofuran-1-one
CAS
3689-45-0
分子式
C24H22O4
分子量
374.429
MOL 文件
3689-45-0.mol
结构式
基本信息
英文别名
Dixylenolphthalein
2,6-dixylenolphthalein
Phenolphthalein, 3′,3′′,5′,5′′-tetramethyl-
3,3-bis(4-hydroxy-3,5-dimethyl-phenyl)isobenzofuran-1-one
2,6-dixylenolphthalein
Phenolphthalein, 3′,3′′,5′,5′′-tetramethyl-
3,3-bis(4-hydroxy-3,5-dimethyl-phenyl)isobenzofuran-1-one
物理化学性质
| 熔点 | 247.5–249.0°C |
| 溶解度 | Solubility Insoluble in water; soluble in ethanol, methanol |
| 酸度系数(pKa) | 9.97(at 25℃) |
| 形态 | powder |
| 颜色 | White |
| 酸碱指示剂变色ph值范围 | Colorless (8.5) to violet (9.9) |
| 主要应用 | Indicator, polymeric alloys, toothpaste and mouthwash, disinfectant, cosmetics, paints |