Harmonized System

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Show last update onlyCorrelation Tables

Section VI > Chapter 28 > Heading 2809 > 2809.10

Diphosphorus pentaoxide

Section VI > Chapter 28 > Heading 2809 > 2809.20

Phosphoric acid and polyphosphoric acids

Section VI > Chapter 28 > Heading 2810

Oxides of boron; boric acids.

Section VI > Chapter 28 > Heading 2810 > 2810.00

Oxides of boron; boric acids

Section VI > Chapter 28 > Heading 2811

Other inorganic acids and other inorganic oxygen compounds of non-metals.

Section VI > Chapter 28 > Heading 2811 > 2811.1

Other inorganic acids 

Section VI > Chapter 28 > Heading 2811 > 2811.2

Other inorganic oxygen compounds of non-metals 

Section VI > Chapter 28 > Heading 2811 > 2811.1 > 2811.11

Hydrogen fluoride (hydrofluoric acid)

Section VI > Chapter 28 > Heading 2811 > 2811.1 > 2811.12

Hydrogen cyanide (hydrocyanic acid)