Catechol see Pyrocatechol
Caustic Potash see Potassium Hydroxide
Caustic Soda see Sodium Hydroxide
CDTA see trans-1,2-Diaminocyclohexane-N,N,N',N'-tetra acetic acid
Ceric Ammonium Molybdate Stain.
Copper (II) Sulfate, anhydrous, A.R.
Copper (II) Sulfite, 6-Hydrate, C.P.