North American Product Classification System (NAPCS) Canada 2017 Version 2.0

271 - Basic chemicals

This group comprises basic chemicals.

27112 - Other basic inorganic chemicals

This class comprises other basic inorganic chemicals.

• Exclusion(s)

  • nuclear fuel (See 1451111 Nuclear fuel)

271121 - Sulphuric acid

This subclass comprises sulphuric acid, pure, concentrated or diluted.

271122 - Chlorine

This subclass comprises chlorine.

271123 - Sodium hydroxide (caustic soda)

This subclass comprises sodium hydroxide (caustic soda).

271124 - Inorganic potassium and sodium compounds (except alkalis, alums, and bleaches)

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.)

271125 - Carbon black

This subclass comprises carbon black, all processes.

• Exclusion(s)

  • bone black, and other animal charcoals (See 2721368 Other chemical products, n.e.c.)

271126 - Chemical catalytic preparations

This subclass comprises chemical catalytic preparations.

271127 - Prepared radioactive isotopes

This subclass comprises prepared radioactive isotopes.

271128 - Other basic inorganic chemicals, n.e.c.

This subclass comprises other basic inorganic chemicals, n.e.c.