Caustic soda flake 99% Other name: sodium hydroxide flake, naoh, sodium hydroxide flake 1. Description: Molecular formular: naoh, Cas no 1310-73-2 Formula naoh Molecular weight 40.01 g/mol Appearance white flakes Melting point 596 k (318.4) Relative density 2.1103kg/m3(as stp) Solubility 111 g/100 g in water 2. Packing: 25kg or 50kg/bag, also can according to customers's requirements/as buyers request. 3. Advantage: Caustic soda is our strong item, we can supply caustic soda /naoh at lower price and best quality. 4. Application: Baisc chemical raw material, widely used in chemical industry 1). Used in water softening, in the soap and refined oil line, refining petroleum products, sanitation, hygiene and production chemicals. 2). Used as acidity regulator, alkali, impregnant's pigment in food and drug industry 3). Used as a raw material in the manufacturing of soaps, detergents, textiles and paper. 5. Specification Naoh: 99.0%min Na2 co3: 0.5%max Nacl: 0.03%max Fe2 o3: 0.005%max Caustic soda Naoh Na2co3 Nacl Fe2o3 99% flakes 99.38%min 0.5%max 0.03%max 0.005%max 98%flakes 98.65%min 0.7%max 0.92%max 0.007%max 96%flakes 96.68%min 1.2%max 2.5%max 0.008%max 99%solid 99.30%min 0.5%max 0.03max 0.005%max 99%pearls 99.35%min 0.5%max 0.03%max 0.005%max 25kgs woven bag or upon clients request.