Post

CAS号: 50984-88-8 英文名称: P-XYLENOLPHTHALEIN 英文同义词: Xylenolphthalein;P-XYLENOLPHTHALEIN;P-xylenolphthaleine;p-xylenolphthalein (pH 9.0-10.5);3,3-bis(4-hydroxy-2,5-xylyl)phthalide;2',5',2'',5''-TETRAMETHYLPHENOLPHTHALEIN;3,3-bis(4-hydroxy-2,5-dimethylphenyl)-2-benzofuran-1-one;P-xylenolphthalein, 2′,5′,2″,5″-tetramethylphenolphthalein;3,3-Bis(4-hydroxy-2,5-dimethylphenyl)isobenzofuran-1(3H)-one;3,3-Bis(4-hydroxy-2,5-dimethylphenyl)-1(3H)-isobenzofuranone 中文名称: 对二甲酚酞 中文同义词: 对二甲酚酞;间二甲酚酞;2′,5′,2″,5″-四甲基酚酞;对二甲酚酞(CAS号:50984-88-8) 分子式: C24H22O4 分子量: 374.43 熔点 : 276°C 沸点 : 569.6±50.0 °C(Predicted) 密度 : 1.270±0.06 g/cm3(Predicted) 溶解度 : Solubility Insoluble in water; soluble in ethanol, acetone 形态: powder 酸度系数(pKa): 9.7(at 25℃) 颜色: Pale yellow or cream-colored 酸碱指示剂变色ph值范围: Colorless (9.0) to indigo-blue (10.5) BRN : 346799 主要应用: Inks, detergent, photoresist, toothpaste and mouthwash, disinfectant, cosmetics, paints WGK Germany : 3