Specification Caustic Soda Product Description English name: caustic soda, sodium hydroxide, natrium hydroxydatum CAS No.: 1310-73-2 MF: NaOH Molecular Weight: 40.00 EINECS No.: 215-185-5 Hs No.: 28151100 UN NO.: 1823 CLASS 8-CORROSIVES Item No. 95001 IMCO PAGE: 8141 Grade Standard: Industrial Grade Caustic Soda Flakes Standard: GB209-2006 Items Caustic Soda Flakes Property Specification NAOH 96 % min 99 % min Na2CO3 1.2% max 0.5% max NaCL 2. 50 % max 0. 03 % max Fe2O3 0. 008 % max 0. 005 % max Packing: 25kgs per PP bag, 25MTS/ 20' FCL . Application: 1.Used as the most common paint stripper on wooden objects. 2.Used in conjunction with zinc for creation of famous gold pennies experiment. 3.Ore to produce alumina which is the raw material used to produce aluminum metal via the smelting process. 4.Used in soap making. 5.Used in the home as a drain cleaning agent for clearing clogged drains. 6.Used as a cleaner in breweries, where it is simply called caustic.