Description
Phenol red
 Phenolsulfonphthalein
 MOLECULAR BIOLOGY GRADE
 C19H14O5S
 MW: 354.380 g/mol
 Bright red powder
 Forms a yellow to red or orange and clear to slightly turbid (traces of insoluble matter possible) solution when dissolved 0.1% in ethanol.
 Transition of pH indicator: 6.8 - 8.2 yellow to red. Used in selective microbial culture media to detect lactose- or sucrose-fermenting bacteria.
 Protect from light.