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Monosodium Phosphate Anhydrous from Mexico

Anhydrous monosodium phosphate (NaH2PO4) used in buffer solutions and flame retardants. Pure form qualifies under HTS 2835.22.00.00 as mono-sodium phosphate. Hygroscopic powder requiring moisture-proof packaging.

Duty Rate — Mexico → United States

11.4%

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

• Moisture content <0.5% must be certified; deliquescence affects declared weight

• Flame retardant end-use may require CPSC flammability test reports

• Lab reagent imports need EINECS registration for EU transshipment