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Specifications
| SKU | 0210260450 |
| Alternate Names | Phenolsulfonephthalein sodium salt |
| Application Notes | Phenol Red Sodium Salt is used as a pH indicator, it is used widely in culture media to identify changes from neutral to acidic pH values. Phenol red in tissue culture media can act as a weak estrogen, especially with human breast cancer cells. Phenol red can be used to measure hydrogen peroxide in supernatants from cultured macrophages in multiwell plates. |
| Base Catalog Number | 10260450 |
| Beilstein Registry Number | 6260026 |
| CAS # | 34487-61-1 |
| EC Number | 252-057-8 |
| Hazard Statements | H315-H319-H335 |
| Melting Point | 285 °C (decomposes) (Lit.) |
| Molecular Formula | C19H13O5SNa |
| Molecular Weight | 376.36 |
| Pack Size | 50 g |
| Personal Protective Equipment | Dust mask, Eyeshields, Gloves |
| pH | Color Change Interval 6.8 yellow, 8.2 red |
| pKa | 7.9(Lit.) |
| Safety Symbol | GHS07 |
| Solubility | Soluble in water (25 mg/mL) yielding a dark red solution, methanol and ethanol (200 mg/mL). |
| Typical Working Concentration | Typically used in cell culture media at 11 mg/L |
| Usage Statement | Unless specified otherwise, MP Biomedical's products are for research or further manufacturing use only, not for direct human use. For more information, please contact our customer service department. |
| UV Visible Absorbance | λ max (methanol) 423 ± 3nm |