Deliver to
United Kingdom
Order number: 596-27-0
Part number: AC100065796
O -Cresolphthaleine is a well-characterized compound with a molecular formula of C22H18O4 and a molecular weight of 346.4. It belongs to the class of pH indicators. This compound exhibits a pink coloration in acidic solutions and transitions to yellow as the solution becomes basic. O -Cresolphthaleine has been used in various applications, including as a pH indicator in analytical chemistry and in the production of certain dyes.
| Name | Value | |
|---|---|---|
| WGK | : | 1 |
| EG-Nr. | : | 209-881-8 |
| CAS No. | : | 596-27-0 |
| Soluble in | : | Ethanol |
| Molar mass (M) | : | 346,39 g/mol |
| Colour conversion | : | colourless - red violet |
| Empirical formula | : | C22H18O4 |
| Absorption maximum | : | 565 – 569 nm (0.1 N NaOH) |
| Melting point (mp) | : | 221 °C |
| Transition range pH | : | 8,2 - 9,8 |
SPEZ-1LAC-EN
SDB-1LAC-AT-DE
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© 2026 Copyright. All Rights Reserved.
