</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Diammonium Phosphate Multipurpose Powder from Mexico

(NH4)2HPO4 dry chemical mix for portable extinguishers, wholly inorganic for Class A/B/C fires. Prepared specifically as fire charge under HTS 3813.00.10.00.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Batch testing for phosphate content mandatory; variances trigger audits

Comply with NFPA 10 standards documentation for commercial imports

Avoid bulk packaging over 50 lbs without UN certification