Phenol Red


Phenol red (also known as phenolsulfonphthalein or PSP) is a pH indicator frequently used in cell biology laboratories.

Available options

Product Specifications

Phenol red exists as a red crystal that is stable in air. Its solubility is 0.77 grams per liter (g/l) in water and 2.9 g/l in ethanolIt is a weak acid with pKa = 8.00 at 20 °C (68 °F).

Available Options

SKU Description /size Stocks Unit Price (RM) Quantity

SKU: 6457-00

R&M,6457-00, Phenol Red, sodium salt (water soluble), 25g

9 units left

R&M,6457-00, Phenol Red, sodium salt (water soluble), 25g 9 units left RM 110.00 RM 110.00

SKU: 2103-00

R&M,2103-00, Phenol Red, 0.02% Indicator, 500mL

10 units left

R&M,2103-00, Phenol Red, 0.02% Indicator, 500mL 10 units left RM 92.00 RM 92.00