Caustic soda 99% 1. Cas no.: 1310-73-2 2. Mf: naoh 3. Einecs no.: 215-185-5 4. Hs code: 2815110000 5. Place of origin: china (mainland) 6. Specification: ComposingFlake 99%Pearl 99% Naoh (sodium hydroxide)99% min.99% min. Na2co3 (sodium carbonate)0.4% max.0.3% max. Nacl (sodium chloride)0.02% max.0.015% max. Fe2o3 (ferric oxide)0.004% max.0.001% max. 7. Usage: Used as a raw material in the manufacture of soap, detergent, textiles and paper, in water softening and treatment, refining petroleum products, in sanitation, and hygiene products, and in the food and drug industry, etc. 8. Package: 25kg/bag. 22 mt /20?fcl with pallets, 25 mt/20?fcl without pallets. 9. Storage: As a class 8 corrosive substances, due to its corrosivity, careful storage and safety in production are needed, such as personnel has to wear protective equipment during the procedure of handling and storage. Keep it in a closed container in a dry warehouse.