PHENOL RED INDICATOR AR (pH INDICATOR) (PH 6.4-8.2 Yellow to Red) PHENOL RED INDICATOR AR (pH INDICATOR) (PH 6.4-8.2 Yellow to Red) PHENOL RED INDICATOR AR (pH INDICATOR) (PH 6.4-8.2 Yellow to Red) CAS No: 143-74-8 Enquire Now Download Brochure ← Back to Products