2841.80.00.50/Potassium Tungstate/Mexico

Potassium Tungstate from Mexico

Potassium tungstate (K2WO4) is an inorganic salt of tungstic acid used in fireproofing textiles and as a catalyst precursor, classified in HTS 2841.80.0050 as other tungstates. It meets Chapter 28 criteria for chemically defined metal salts.

Duty Rate — Mexico → United States

5.5%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Calculate with your customs valueVerify classification with AI

Import Tips

• Label with exact CAS number (13472-45-2) for customs verification

• Include end-use declaration if for industrial vs lab use to avoid scrutiny

• Prevent reclassification as luminophore base (3206) if doped

Potassium Tungstate from Mexico — Import Duty Rate | HTS 2841.80.00.50