Variant of NAPCS Canada 2017 Version 2.0 - Manufacturing and Logging Rev.1 - Updated December 11, 2020

271 - Basic chemicals

This group comprises basic chemicals.

This class comprises other basic inorganic chemicals.

This subclass comprises inorganic potassium and sodium compounds, except alkalis, alums, and bleaches.

Exclusion(s)
- alums (aluminum potassium sulphate; sodium alum; chrome alum; iron alums) (See 2711284 Hydrogen peroxide)
- sodium bicarbonate, sodium carbonate, potassium hydroxide (See 2711282 Alkalis, alums, and bleaches (except chlorine and sodium hydroxide))
- sodium chloride (evaporated salt, except table salt) (See 2721368 Other chemical products, n.e.c.)
- sodium hydroxide (caustic soda) (See 2711231 Sodium hydroxide (caustic soda))
- sodium sulphate and sodium carbonate, natural (See 1631253 Other non-metallic minerals, n.e.c.)

Inorganic potassium and sodium compounds, except alkalis, alums, and bleaches.

Illustrative example(s)
- anhydrous refine borax
- dipotassium phosphate
- disodium phosphate
- Glauber's salt (sodium sulphate decahydrate)
- hydrated refined borax
- liquid foliar fertilizer spray (except organic preparations)
- magnesium potassium sulphate
- potassium chlorate
- potassium cyanide oxide
- potassium nitrate
All examples
Exclusion(s)
- alkalis, alums and bleaches (See 2711282 Alkalis, alums, and bleaches (except chlorine and sodium hydroxide))
- alums (aluminum potassium sulphate; sodium alum; chrome alum; iron alums) (See 2711284 Hydrogen peroxide)
- sodium bicarbonate, sodium carbonate, potassium hydroxide (See 2711282 Alkalis, alums, and bleaches (except chlorine and sodium hydroxide))
- sodium chloride (evaporated salt, except table salt) (See 2721368 Other chemical products, n.e.c.)
- sodium hydroxide (caustic soda) (See 2711231 Sodium hydroxide (caustic soda))
- sodium sulphate and sodium carbonate, natural (See 1631253 Other non-metallic minerals, n.e.c.)