CR Request a Quote Email usrxmarinegroup @ gmail.com DocumentsRequest MSDS / TDS Stains Indicator Reagents-69 CHLOROPHENOL RED Product code RXSOL-69-4430-200 CHLOROPHENOL RED Request a Quote Email Us Chlorophenol red excellent quality manufacturer, exporter and supplier. Chlorophenol red is an indicator dye that changes color from yellow to violet in the pH range 4.8 to 6.7.