HS 2831 – Dithionites and sulphoxylates.
Tariff data as of T2026-2, effective Sept 1, 2026, last verified Oct 21, 2026
Dithionites and sulphoxylates.
Subheadings
Child tariff lines and MFN rates
| HS code | Description | MFN rate |
|---|---|---|
| 2831-10 – Of sodium | MFN Free | |
| 2831-10-00-00 | Of sodium | Free |
| 2831-90 – Other | MFN Free | |
| 2831-90-00-00 | Other | Free |
Top importers in this heading
8 Canadian companies imported goods under heading 28.31 according to the CBSA Canadian Importers Database, 2023 data.
Most frequent importers
- BASF CANADA INC. - Ontario - 1 codes
- CELANESE CANADA ULC - Quebec - 1 codes
- DOW CANADA MATERIAL SCIENCES ULC - Alberta - 1 codes
- HALLTECH INC. - Ontario - 1 codes
- ROLFQUO INC. - Quebec - 1 codes
- SILOX CANADA INC. - Quebec - 1 codes
- TRI-TEXCO INC - Quebec - 1 codes
- UNITED REFRIGERATION OF CANADA LTD. - Ontario - 1 codes