---
title: "2815 – Sodium hydroxide (caustic soda)…: Canada tariff & duty rates"
description: "Every Canadian tariff classification under HS 2815: Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or…"
canonical: "https://www.adhocs.ca/hs-codes/2815"
---

# 2815 Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium.

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

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

## Sodium hydroxide (caustic soda)

- [2815.11.00.00](https://www.adhocs.ca/hs-codes/2815.11.00.00) Solid
- [2815.12.00.00](https://www.adhocs.ca/hs-codes/2815.12.00.00) In aqueous solution (soda lye or liquid soda)

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- [2815.20](https://www.adhocs.ca/hs-codes/2815.20) Potassium hydroxide (caustic potash)
- [2815.30.00.00](https://www.adhocs.ca/hs-codes/2815.30.00.00) Peroxides of sodium or potassium

## Other headings in this chapter

- Previous: [2814](https://www.adhocs.ca/hs-codes/2814) Ammonia, anhydrous or in aqueous solution.
- Next: [2816](https://www.adhocs.ca/hs-codes/2816) Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium.

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