... Qingdao 1. Chemical Name: SODIUM HYDROXIDE FLAKESC.A.S. No.: 1310-73-2Trade Name: Caustic Soda, Dry, Solid, FlakeSynonyms: Caustic Soda, Dry, Sodium Hydroxide, Flake NaOHChemical Formula: ... 1823D.O.T. Hazard Guide: #154D.O.T. Shipping Name: Sodium Hydroxide, Dry, Solid, FlakeD.O.T. Hazard Class: 8Placard: UN ... 04%Fe2O3 ≤ 0.005% 0.004%QUANTITY/WEIGHT DECLRED OK caustic soda sodium hydroxide flakes 99%