283640 — Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate…: Potassium carbonates
HS code 283640 classifies Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate…: Potassium carbonates. It belongs to Chapter 28 (Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes) of Section VI (Products of the chemical or allied industries) of the Harmonized System. Duty rates are recorded for 1 country.
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Description
Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate : Potassium carbonates
Duty rates
US MFN base rate (HTS 2026, Column-1 General) — excludes Section 301 / IEEPA add-ons; not legal advice. Other countries’ rates and live duties via the EximAgent CLI.
- USUnited States1.3%–1.9%MFNas of Jan 1, 2026
Common questions
- What is HS code 283640?
- Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate : Potassium carbonates
- What duty rates apply to 283640?
- Listed US duty: 1.3%–1.9% — see the duty-rates table for the full breakdown.
Go beyond the code
Find the companies shipping under 283640 — ranked by shipments recorded in US customs filings over the last 12 months.