3421 Hydrogen, nitrogen, oxygen, carbon dioxide and rare gases; inorganic oxygen compounds of non-metals n.e.c.

Subcategories of 3421 Hydrogen, nitrogen, oxygen, carbon dioxide and rare gases; inorganic oxygen compounds of non-metals n.e.c.

• 34210Hydrogen, nitrogen, oxygen, carbon dioxide and rare gases; inorganic oxygen compounds of non-metals n.e.c.

  **Includes:** This subclass is defined through the following headings/subheadings of the HS 2012: 2804.10 - .40, 2811.21, .29.

Other CPC v2.1 codes under 3421 Hydrogen, nitrogen, oxygen, carbon dioxide and rare gases; inorganic oxygen compounds of non-metals n.e.c.

• 3422Zinc oxide; zinc peroxide; chromium oxides and hydroxides; manganese oxides; iron oxides and hydroxides; earth colours; cobalt oxides and hydroxides; titanium oxides; lead oxides; red lead and orange lead; inorganic bases n.e.c.; metal oxides, hydroxides and peroxides n.e.c., except of mercury
• 3423Chemical elements n.e.c.; inorganic acids; inorganic oxygen compounds of boron, silicon and carbon; halogen or sulphur compounds of non-metals; sodium hydroxide; hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides of strontium or barium; aluminium hydroxide; hydrozine and hydroxylamine and their inorganic salts
• 3424Phosphates of triammonium; salts and peroxysalts of inorganic acids and metals n.e.c.
• 3425Salts of oxometallic or peroxometallic acids; colloidal precious metals and compounds thereof; inorganic and organic compounds of mercury; other inorganic chemicals n.e.c.; compressed air; amalgams
• 3426Isotopes n.e.c. and compounds thereof (including heavy water)
• 3427Cyanides, cyanide oxides and complex cyanides; fulminates, cyanates and thiocyanates; silicates; borates; perborates
• 3428Hydrogen peroxide; phosphides; carbides; hydrides, nitrides, azides, silicides and borides
• 3429Compounds of rare earth metals, of yttrium or of scandium

Frequently asked questions

What is CPC v2.1 3421?

CPC v2.1 3421 is "Hydrogen, nitrogen, oxygen, carbon dioxide and rare gases; inorganic oxygen compounds of non-metals n.e.c.". CPC v2.1 class (Hydrogen, nitrogen, oxygen, carbon dioxide and rare gases; inorganic oxygen compounds of non-metals n.e.c.) within 'Basic inorganic chemicals n.e.c.'. UN Central Product Classification grouping of related products at this level.

What does CPC v2.1 3421 include?

3421 Hydrogen, nitrogen, oxygen, carbon dioxide and rare gases; inorganic oxygen compounds of non-metals n.e.c. contains 1 direct subcategory: 34210 Hydrogen, nitrogen, oxygen, carbon dioxide and rare gases; inorganic oxygen compounds of non-metals n.e.c..

What is the parent category of 3421?

3421 Hydrogen, nitrogen, oxygen, carbon dioxide and rare gases; inorganic oxygen compounds of non-metals n.e.c. sits under 3421 Hydrogen, nitrogen, oxygen, carbon dioxide and rare gases; inorganic oxygen compounds of non-metals n.e.c. in the CPC v2.1 hierarchy.