Industrial 25% Ammonium Hydroxide Solution from Mexico
A strong 25% aqueous ammonia solution used in industrial applications such as pH adjustment in water treatment and chemical manufacturing. Classified under HTS 2814.20.00.00 because it is a chemically defined inorganic compound of ammonia in aqueous form as per Chapter 28 notes.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Obtain Certificates of Analysis (COA) proving ammonia content to avoid disputes over 'aqueous solution' purity
• Comply with EPA regulations for hazardous substances; declare as corrosive material on customs entry
• Use UN-approved containers; common pitfall is insufficient spill containment labeling leading to delays