HS 2809.20

Phosphoric acid and polyphosphoric acids

Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined · Inorganic chemicals

HS 2809.20 4,575 shipments 464 importers

HS Chapter 28 covers inorganic chemicals, including mineral acids, bases, salts, and compounds of metals and nonmetals. These industrial chemicals serve as raw materials and intermediates for manufacturing pharmaceuticals, fertilizers, detergents, and other chemical products. They represent a significant portion of global chemical trade flows.