32% Liquid Caustic Soda from Mexico
Industrial-grade 32% sodium hydroxide in water, known as liquid soda, primarily used in water treatment and alumina production from bauxite. Classified under HTS 2815.12.00.00 because it is an aqueous solution of chemically defined sodium hydroxide per Chapter 28 notes. This form is liquid at room temperature, unlike solid caustic soda.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Use UN-approved IBC totes or drums for transport, as it's corrosive; ensure packaging meets UN 1824 specifications
• Provide certificate of analysis confirming NaOH content and absence of impurities to prevent customs disputes