Phenol Red pH Indicator Powder, 5g
- pH Indicator
- Red Crystals
- Molar Mass: 354.38g/mol
- Makes up to 5,000mL (5L) of 0.04% Solution
Details: A red crystal that is stable in air, phenol red is typically used as a pH indicator when mixed into an aqueous solutions. Its color will exhibit a gradual transition from yellow to red, as it moves through the pH range of 6.8 to 8.2. Above pH 8.2, it will turn a bright pink. It is also used as a pH indicator for home swimming pool test kits.