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

Sodium Hypophosphite Monohydrate from Mexico

Sodium hypophosphite monohydrate (NaH2PO2·H2O) is the common commercial form for electroless plating baths. HTS 2835.10.00.00 covers this phosphinate hydrate as chemically defined. It provides controlled reduction in metal deposition processes.

Duty Rate — Mexico → United States

13.1%

Rate breakdown

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

Import Tips

Certify monohydrate form vs anhydrous; pH stability testing; bulk packaging declarations