1,99% Purity sodium hydroxide (Flakes/Solid/Pearls) 2,water treatment,paper making, soap making, textiles, ... .: 1310-73-2Molecular Weight: 40.00 Molecular Formula: NaOHAppearance: White flakes, solid, pearl.UseMainly used in water treatment,paper making, soap ... :25 kg pp bag, 25 MT per 20'FCL low price Caustic Soda Flakes 99% good service