... , pearls, solid High quality,low price Professional service Fast delivery Caustic Soda pearl 96% or 99% /solid 99% /flake 96% or 99% ( ... CAUSTIQUE)Molecular Formula: NaOH CAS No.: 1310-73-2 Type: Caustic soda Flakes, pearls, solidPurity 96% or 99%Molecular weight: 40. ... It is a basic chemical raw material, widely used for rayon with mucilage method, synthetic fiber, inter-mediate of dyestuff, ...