---
title: "2833 – Sulphates; alums; peroxosulphates…: Canada tariff & duty rates"
description: "Every Canadian tariff classification under HS 2833: Sulphates; alums; peroxosulphates (persulphates). CBSA duty rates for each code."
canonical: "https://www.adhocs.ca/hs-codes/2833"
---

# 2833 Sulphates; alums; peroxosulphates (persulphates).

Up: [HS codes](https://www.adhocs.ca/hs-codes) › [Chapter 28](https://www.adhocs.ca/hs-codes/28)

10 subheadings. Each subheading links to its page, which lists its 10-digit codes, or to its only 10-digit code.

## Sodium sulphates

- [2833.11.00.00](https://www.adhocs.ca/hs-codes/2833.11.00.00) Disodium sulphate
- [2833.19.00.00](https://www.adhocs.ca/hs-codes/2833.19.00.00) Other

## Other sulphates

- [2833.21.00.00](https://www.adhocs.ca/hs-codes/2833.21.00.00) Of magnesium
- [2833.22.00.00](https://www.adhocs.ca/hs-codes/2833.22.00.00) Of aluminum
- [2833.24.00.00](https://www.adhocs.ca/hs-codes/2833.24.00.00) Of nickel
- [2833.25](https://www.adhocs.ca/hs-codes/2833.25) Of copper
- [2833.27.00.00](https://www.adhocs.ca/hs-codes/2833.27.00.00) Of barium
- [2833.29.00.00](https://www.adhocs.ca/hs-codes/2833.29.00.00) Other

<!-- -->

- [2833.30.00.00](https://www.adhocs.ca/hs-codes/2833.30.00.00) Alums
- [2833.40](https://www.adhocs.ca/hs-codes/2833.40) Peroxosulphates (persulphates)

## Other headings in this chapter

- Previous: [2832](https://www.adhocs.ca/hs-codes/2832) Sulphites; thiosulphates.
- Next: [2834](https://www.adhocs.ca/hs-codes/2834) Nitrites; nitrates.

[Source: CBSA Customs Tariff](https://www.cbsa-asfc.gc.ca/trade-commerce/tariff-tarif/menu-eng.html).