| Description | Phenol Red (Sulfonphthal) is a pH indicator, red dye, and diagnostic aid for measurement of renal function. It is used also for researches of the gastrointestinal and other systems. |
| Synonyms | Sulfonphthal, Sulphental, 酚红, Fenolipuna |
| molecular weight | 354.38 |
| Molecular formula | C19H14O5S |
| CAS | 143-74-8 |
| Storage | keep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. |
| Solubility | DMSO: 50 mg/mL (141.09 mM) |
| References | 1. Tamura, Z. Yakugaku Zasshi (in Japanese), 1997, 117 (10–11): 764–770. |