---
title: "2809.20 – Diphosphorus pentaoxide; phosphoric…: Canada tariff & duty rates"
description: "Every Canadian tariff classification under HS 2809.20: Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined…"
canonical: "https://www.adhocs.ca/hs-codes/2809.20"
---

# 2809.20 Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined › Phosphoric acid and polyphosphoric acids

Up: [HS codes](https://www.adhocs.ca/hs-codes) › [Chapter 28](https://www.adhocs.ca/hs-codes/28) › [2809](https://www.adhocs.ca/hs-codes/2809)

4 classifications. Each 10-digit code links to its page, with its rate under every tariff treatment.

- Phosphoric acids, fertilizer grade
  - [2809.20.00.11](https://www.adhocs.ca/hs-codes/2809.20.00.11) Superacid grade (68-72% P2O5)
  - [2809.20.00.19](https://www.adhocs.ca/hs-codes/2809.20.00.19) Other
- [2809.20.00.20](https://www.adhocs.ca/hs-codes/2809.20.00.20) Other phosphoric acids
- [2809.20.00.30](https://www.adhocs.ca/hs-codes/2809.20.00.30) Polyphosphoric acids

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