1,99% Purity sodium hydroxide (Flakes/Solid/Pearls) 2,water treatment,paper making, soap making, ... -73-2Molecular Weight: 40.00 Molecular Formula: NaOHAppearance: White flakes, solid, pearl.UseMainly used in water treatment,paper making, soap ... -chemical, medical and food industries.Specification: ItemsSuper GradeStandard grade.Sodium Hydroxide %≥99.599.0Sodium Carbonate%≤0.50.8Sodium Chloride %≤0 ...