HS 2833 – Sulphates; alums; peroxosulphates (persulphates).
Tariff data as of T2026-2, effective Sept 1, 2026, last verified Oct 21, 2026
Sulphates; alums; peroxosulphates (persulphates).
Subheadings
Child tariff lines and MFN rates
| HS code | Description | MFN rate |
|---|---|---|
| 2833-11 – Disodium sulphate | MFN Free | |
| 2833-11-00-00 | Disodium sulphate | Free |
| 2833-19 – Other | MFN Free | |
| 2833-19-00-00 | Other | Free |
| 2833-21 – Of magnesium | MFN Free | |
| 2833-21-00-00 | Of magnesium | Free |
| 2833-22 – Of aluminum | MFN Free | |
| 2833-22-00-00 | Of aluminum | Free |
| 2833-24 – Of nickel | MFN Free | |
| 2833-24-00-00 | Of nickel | Free |
| 2833-25 – Of copper | MFN Free | |
| 2833-25-00-10 | Cupric sulphate | Free |
| 2833-25-00-90 | Other | Free |
| 2833-27 – Of barium | MFN Free | |
| 2833-27-00-00 | Of barium | Free |
| 2833-29 – Other | MFN Free | |
| 2833-29-00-00 | Other | Free |
| 2833-30 – Alums | MFN Free | |
| 2833-30-00-00 | Alums | Free |
| 2833-40 – Peroxosulphates (persulphates) | MFN Free | |
| 2833-40-00-10 | Diammonium peroxodisulphate (ammonium persulphate) | Free |
| 2833-40-00-20 | Dipotassium peroxodisulphate (potassium persulphate) | Free |
| 2833-40-00-30 | Disodium peroxodisulphate (sodium persulphate) | Free |
| 2833-40-00-90 | Other | Free |
Top importers in this heading
64 Canadian companies imported goods under heading 28.33 according to the CBSA Canadian Importers Database, 2023 data.
Most frequent importers
- BRENNTAG CANADA INC. - Ontario - 5 codes
- BARENTZ INGREDIENTS CANADA, INC. - Ontario - 3 codes
- UNIVAR SOLUTIONS CANADA LTD. - Ontario - 3 codes
- CAMBRIAN SOLUTIONS - British Columbia - 2 codes
- CHEMCO INC - Quebec - 2 codes
- CLEARTECH INDUSTRIES INC. - Saskatchewan - 2 codes
- JEFO NUTRITION INC. - Quebec - 2 codes
- KEMIRA CHEMICALS CANADA INC - Ontario - 2 codes
- MILLIPORESIGMA CANADA LTD. / MILLIPORESIGMA CANADA LTEE - Ontario - 2 codes
- QUADRA CHEMICALS LTD. QUADRA CHIMIE LTEE - Quebec - 2 codes