North American Product Classification System (NAPCS) Canada 2017 Version 1.0
- 271 - Basic chemicals
- 27112 - Other basic inorganic chemicals
- 271121 - Sulphuric acid
- 2711211 - Sulphuric acid
- 271122 - Chlorine
- 2711221 - Chlorine
- 271123 - Sodium hydroxide (caustic soda)
- 2711231 - Sodium hydroxide (caustic soda)
- 271124 - Inorganic potassium and sodium compounds (except alkalis, alums, and bleaches)
- 2711241 - Inorganic potassium and sodium compounds (except alkalis, alums, and bleaches)
- 271125 - Carbon black
- 2711251 - Carbon black
- 271126 - Chemical catalytic preparations
- 2711261 - Chemical catalytic preparations
- 271127 - Prepared radioactive isotopes
- 2711271 - Prepared radioactive isotopes, for medical use
- 2711272 - Prepared radioactive isotopes (except for medical use)
- 271128 - Other basic inorganic chemicals, n.e.c.
- 2711281 - Inorganic acids (except nitric, phosphoric and sulphuric)
- 2711282 - Alkalis, alums, and bleaches (except chlorine and sodium hydroxide)
- 2711283 - Inorganic aluminum compounds, n.e.c.
- 2711284 - Other miscellaneous inorganic chemicals, n.e.c.
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