Litmus CAS 1393-92-6

Acid Violet 19 CAS 3244-88-0 C.I. 42685

Bromothymol Blue CAS 76-59-5 BTB

Bromophenol Blue CAS 115-39-9 BPB

Fluorescein disodium salt CAS 518-47-8 C.I. 45350

Pathalic acid CAS 88-99-3

Solvent Red 24 CAS 85-83-6 C.I. 26105

Solvent Red 23 CAS 85-86-9

Acid Blue 119 CAS 1324-80-7

Sudan I CAS 842-07-9

Bromophenol Blue sodium salt CAS 34725-61-6

Nitrazine yellow CAS 5423-07-4 C.I. 14890