50984-88-8
中文名稱
對二甲酚酞
英文名稱
P-XYLENOLPHTHALEIN
CAS
50984-88-8
分子式
C24H22O4
分子量
374.43
MOL 文件
50984-88-8.mol
更新日期
2026/06/05 15:53:17
50984-88-8 結構式
基本信息
中文別名
對二甲酚酞間二甲酚酞
2′,5′,2″,5″-四甲基酚酞
英文別名
XylenolphthaleinP-XYLENOLPHTHALEIN
P-xylenolphthaleine
p-xylenolphthalein (pH 9.0-10.5)
3,3-bis(4-hydroxy-2,5-xylyl)phthalide
2',5',2'',5''-TETRAMETHYLPHENOLPHTHALEIN
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
3,3-Bis(2,5-dimethyl-4-hydroxyphenyl)isobenzofuran-1(3H)-one
所屬類別
生物化工：生物染料物理化學性質
熔點276°C
沸點569.6±50.0 °C(Predicted)
密度1.270±0.06 g/cm3(Predicted)
儲存條件Inert atmosphere,Room Temperature
溶解度不溶于水；溶于乙醇、丙酮
酸度系數(shù)(pKa)9.7(at 25℃)
形態(tài)粉末
顏色淡黃色或奶油色
酸堿指示劑變色ph值范圍Colorless (9.0) to indigo-blue (10.5)
BRN346799
主要應用Inks, detergent, photoresist, toothpaste and mouthwash, disinfectant, cosmetics, paints
InChIInChI=1S/C24H22O4/c1-13-11-21(25)15(3)9-19(13)24(20-10-16(4)22(26)12-14(20)2)18-8-6-5-7-17(18)23(27)28-24/h5-12,25-26H,1-4H3
InChIKeyPXCIPOXPHMTCIL-UHFFFAOYSA-N
SMILESC1(=O)C2=C(C=CC=C2)C(C2=CC(C)=C(O)C=C2C)(C2=CC(C)=C(O)C=C2C)O1