NC-9102, Phenolphthalein 1%, 4oz The Science Company,
- Concentration: 1% in Ethanol.
- Formula: (C6H4OH)2C2O2C6H4 (an approximation)
- CAS: 77-09-8
Hazardous Material Type: ORM-D Class 3
Details: This 4oz bottle of phenolphthalein is a 1% solution in ethanol. Commonly used as an acid-base pH indicator, 8.2 (colorless) – 10 (red). Comes packed in high density polyethylene plastic squeeze bottle with polypropylene flip top cap for dispensing by the drop.