Deliver to
United Kingdom
Order number: 596-27-0
Part number: AC100019328
O -Cresolphthaleine is distinguished by its stable chemical profile, characterized by the molecular formula C22H18O4 and a molecular weight of 346.4. This compound belongs to the class of organic compounds known as phenols. It exhibits a specific color change in acidic and basic solutions, making it a useful pH indicator. When exposed to an acidic environment, O -Cresolphthaleine displays a yellow color, while in a basic solution it turns red. It should be handled with care due to potential irritation to skin and eyes. Additionally, it may find applications in various fields such as analytical chemistry and pharmaceuticals.
| 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.
