- 英文名称
- Cresol Red
- 分子式
- C21H18O5S
- 分子量
- 382.43
- 中文别名
- 邻甲酚磺酰酞; 邻甲磺酞; 甲酚红游离酸; 甲酚红/邻甲酚红; 甲酚红指示剂; 邻甲酚红; 邻甲酚磺酜酞; 甲酚紅; 邻甲酚磺酞; 3,3-双(4-羟基-3-甲基苯基)-3H-苯并[c][1,2]氧硫杂环戊烷 1,1-二氧化物; 3,3-Bis(3-methyl-4-hydroxyphenyl)-3H-2,1-benzoxathiole 1,1-dioxide; Phenol, 4,4-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis2-methyl-; 3,3-Bis(4-hydroxy-3-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide; o-cresolsulphophthalein; Phenol, 4,4‘-(3H-2,1-benzoxathiol-3-ylidene)bis[2-methyl-, S,S-dioxide; Cvesol red; O-CRESOL RED; rougedecresol; o-Cresolsulfonphthalein; BETZ 0419; CresolRed,FreeAcid; 4,4'-(3H-2,1-Benzoxathiol-3-ylidene)bis(2-methylphenol) S,S-dioxide; 4,4'-(1,1-Dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis(2-methylphenol); Cresolsulfophthalein; o-Cresolsulfonephthalein; Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis(2-methyl-, S,S-dioxide (9CI); a-Hydroxy-a,a-bis(4-hydroxy-m-tolyl)-o-toluenesulfonic Acid g-Sultone
- 用途
- 作为酸碱指示剂，pH变色范围为7.2（黄）-8.8（紫红）及2.0（红）-3.0（琥珀色）；带绿色光泽的晶体，磨碎后为红棕色粉末，易溶于醇及稀氢氧化钠溶液，微溶于水；用20%乙醇配成0.1%溶液或0.04%水溶液（取0.04g溶于1.05ml 0.1M NaOH溶液），再稀释至100ml。
