HS 2811 — Inorganic acids
Harmonized System heading · Chapter 28 Inorganic chemicals
HS Code
4-digit heading
Chapter 28
Chapter 28 Inorganic chemicals
Typical duty
By subheading & market
What HS 2811 covers
Inorganic compounds: halogens, sulphides, oxides, hydroxides, salts, rare-earth metals.
Classification notes
Chemical composition and whether element or compound determines the heading.
Back to Chapter 28
Frequently asked questions about HS 2811
What is HS 2811?
Inorganic acids is a 4-digit Harmonized System (HS) heading under Chapter 28 (Inorganic chemicals). It groups goods before national 6-digit subheadings.
Which products are classified under HS 2811?
Inorganic acids covers the products described by this heading. To classify a specific good, determine the precise 6-digit HS subheading, since rates and rules apply at the subheading level.
How do I find the import duty for HS 2811 goods?
Identify the 6-digit subheading for your product, then check the MFN rate and any preferential rate for your destination market (e.g. China, the United States, the EU). 169e’s country tariff pages list rates per HS chapter.
What should I watch for when classifying HS 2811 products?
Chemical composition and whether element or compound determines the heading.