Synonyms:
3,3-Bis(4-hydroxyphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide
0215255405
IC15255405EA
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IC15255405
Phenol red, powder ACS
Phenol red
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.
It is made by condensing two moles of phenol with one mole of o-sulfobenzoic acid anhydride.
Soluble in water (3 mg/mL), ethanol (4 mg/mL), methanol or acetic acid. Readily soluble in alkaline solutions.