HS Code 280920

Phosphoric acid and polyphosphoric acids

HS code280920
DescriptionPhosphoric acid and polyphosphoric acids
Chapter28
SectionVI — Products of the chemical or allied industries

The first six digits of an HS code are harmonized worldwide. Countries extend it with extra digits and their own duty rates — below are the US HTS (10-digit) equivalents. Always confirm with official customs sources before shipping.

US HTS equivalents (5)

HTS codeDescriptionDuty
28092000Phosphoric acid and polyphosphoric acidsFree
2809200010Containing less than 65 percent available diphosphorus pentaoxide (P2O5) equivalents—
2809200020Other—
2809200030Other—
2809200040Polyphosphoric acids—

More codes in Chapter 28