Phenol Red

C.A.S. No. : 2800-80-8

M.F. : C19H12Br2S

M.W. : 512.19gm/mole

Dye Content (by Spectrophotometry) : >95%

Transition Range : pH 4.7-6.3 Yellow-Purple

C.A.S. No. : 4430-20-0

M.F. : C19H12Cl2O5S

M.W. : 423.32gm/mole

Dye Content (by Spectrophotometry) : >93%

Solubility 0.1% (95% EtOH) : Clear solution

C.A.S. No. : 143-74-8

M.F. : C19H14O5S

M.W. : 354.38gm/mole

Dye Content (by Spectrophotometry) : >95%

Solubility 0.1 % (95% EtOH) : Clear solution

C.A.S. No. : 34487-61-1

M.F. : C19H13O5SNa

M.W. : 376.36gm/mole

Dye Content (by Spectrophotometry) : >90%

Solubility 0.1 % (Dist. water) : Clear solution