aladdin 阿拉丁 P299248 邻苯二酚紫指示剂 115-41-3 0.1%

中文名：邻苯二酚紫指示剂

英文名：Catechol violet indicator

中文别名：儿茶酚紫

英文别名：NSC 622476|Pyrocatechinsulfonephthalein|FT-0623518|MFCD00005868|3H-2, 3,3-bis(3,4-dihydroxyphenyl)-, 1,1-dioxide|AI3-63038|P0569|Pyrocatechol,4'-(3H-2,1-benzoxathiol-3-ylidene)di-, S,S-dioxide|1, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis-, S,S-dioxide|3H-2,

纯度：0.1%

货号：P299248

包装：100ml

Cas号：115-41-3

产品介绍：

Pyrocatechol Violet is a complexometric indicator dye. This phthalein dye chelates metals to form blue to blue-violet complexs. It is also a pH indicator with a transition interval from 0 - 8 (red to violet). It is known to be unstable when alkaline. The stability is improved at a neutral pH. When the pH is between 2-7 the color may be yellow.A complexometric indicator.

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