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Harmonized System
Section VI
PRODUCTS OF THE CHEMICAL OR ALLIED INDUSTRIES
Chapter 28
Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes
Heading 2811
Other inorganic acids and other inorganic oxygen compounds of non-metals.
2811.1
- Other inorganic acids :
2811.11
-- Hydrogen fluoride (hydrofluoric acid)
2811.12
-- Hydrogen cyanide (hydrocyanic acid)
2811.19
-- Other
2811.2
- Other inorganic oxygen compounds of non-metals :
2811.21
-- Carbon dioxide
2811.22
-- Silicon dioxide
2811.29
-- Other
Section VI
PRODUCTS OF THE CHEMICAL OR ALLIED INDUSTRIES
Chapter 28
Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes
Heading 2811
Other inorganic acids and other inorganic oxygen compounds of non-metals.
2811.1
- Other inorganic acids :
2811.11
-- Hydrogen fluoride (hydrofluoric acid)
2811.12
-- Hydrogen cyanide (hydrocyanic acid)
2811.19
-- Other
2811.2
- Other inorganic oxygen compounds of non-metals :
2811.21
-- Carbon dioxide
2811.22
-- Silicon dioxide
2811.29