What duty rates apply to 283522?

Listed duty rates range from 1.4% across 1 country rate.

283522Chapter 28

HS code 283522: Phosphates

Covers:: Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates…
Listed US duty:: 1.4% (US general rate, HTS 2026)

Official description

Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined : Phosphates : Of mono- or disodium

Find or check your HS code

Suggestions from the HS index, not a customs ruling

Describe what you ship: what it is, what it is made of, how it is processed and what it is used for. I narrow it down against the real HS hierarchy, or check a code you were given.

Or try

What 283522 covers and what it doesn’t

Official text: Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined › Phosphates › Of mono- or disodium.

Nearby codes to check

Heading 2835 Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined: every subheading side by side.
283510 Phosphinates (hypophosphites) and phosphonates (phosphites)
283524 Phosphates — Of potassium
283525 Phosphates — Calcium hydrogenorthophosphate (‘dicalcium phosphate’)
283526 Phosphates — Other phosphates of calcium
283529 Phosphates — Other
283531 Polyphosphates — Sodium triphosphate (sodium tripolyphosphate)
283539 Polyphosphates — Other

US duty rate

1.4%

General (MFN) rate in the US Harmonized Tariff Schedule, 2026 edition. A range means the rate depends on the 8-digit US line your product falls under. Extra duties such as Section 301, Section 232 or anti-dumping orders can apply on top, depending on origin. Check the lines on hts.usitc.gov. Not legal advice.

Who imports under 283522

EximAgent lists companies with recorded shipments under this code, built from customs records, with who they buy from and how often. See importers of 283522 →

Common questions

What is HS code 283522?: Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined : Phosphates : Of mono- or disodium
What duty rates apply to 283522?: Listed duty rates range from 1.4% across 1 country rate.

Browse all of Chapter 28: Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes →

Go beyond the code

Classify a product and check the duty for your destination with the CLI, then keep researching in your own agent.

Install the CLI or open the web app →

Was this page helpful?