NILE  CHEMICALS

CHLOROPHENOL RED
 
SPECIFICATION SHEET
 
CAS No. 4430-20-0
Chemical Formula C19H12Cl2O5S
Molecular Weight 423.28
Dye Content ~70%
Solution Clarity (EtOH) To pass
Transition Range pH 4.8 - pH 6.4
Absorptivity (pH 4.8) 432 - 436 nm 450 - 600
Absorptivity (pH 6.4) 574 - 578 nm 1000 - 1300
Loss On Drying (110° c.) < 8%

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