General description
Chlorophenol red is a widely used pH indicator dye that changes color from yellow to violet in the pH range of 4.8 – 6.7. It is utilized as an optical transducer of acetyl cholinesterase inhibition by the analytes and also used to selectively determine chlorine dioxide in drinking water.
CAS No.:Â Â Â Â Â Â Â Â Â Â Â Â Â 4430-20-0
Molecular Formula:Â Â C19H12Cl2O5S
MW:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 423.27
pH range:Â Â Â Â Â Â Â Â Â Â Â 4.8 – 6.7, yellow to violet
λmax:               572 nm
InChI Key:Â Â Â Â Â Â Â Â Â Â WWAABJGNHFGXSJ-UHFFFAOYSA-N
Appearance:Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Brown crystalline powder
Storage Temp:Â Â Â Â Â Â Â Â Â Â Â Store at Room Temp, Protect from light