| 
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| O - CRESOLPHTHALEIN | 
| SPECIFICATION SHEET | 
| PRODUCT | o - CRESOLPHTHALEIN | 
| CAS NO | 596- 27- 0 | 
| TESTS | RESULTS | 
| Appearance | White Powder | 
| Solubility 0.1% (Ethanol) | Clear Solution | 
| Transition range | pH 8.2 - 9.8 | 
| Colourless - Violet red | |
| Absorptivity 1%/ 1cm (in 0.1N NaOH) | |
| atl max 567.0nm | 1644 | 
| Loss on drying at ( 110OC ) | 0.51% | 
Also Available O-CRESOLPHTHALEIN COMPLEXONE Cas no 2411-89-4
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