Categories Others Qty in 20 FCL 25000kg Min Order 1000kg Origin China Packaging Factory Packaging or Neutral Certificate ISO, Kosher, Halal, BRC E No. E524 CAS No. 1310-73-2 HS Code 281511 Specification FCC/USP Sodium Hydroxide E524, CAS No.1310-73-2, also called Caustic Soda, it appears either white flakes or a white granular powder. Food grade sodium hydroxide is an essential ingredient in manufacturing of Sodium Stearate, Sodium Bicarbonate, and various other sodium salts. Sodium Hydroxide is also used for pH and alkalinity adjustment. As an experienced Sodium Hydroxide manufacturer and supplier, we has been supplying and exporting Sodium Hydroxide for almost 10 years. Please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. Sodium Hydroxide Specification ITEM STANDARD RESULTS NaOH 99.00 99.04 Na2CO3 0.5 0.36 NaCl 0.03 0.03 Fe2O3 0.005 0.003