---
title: "2904 – Sulphonated, nitrated or nitrosated…: Canada tariff & duty rates"
description: "Every Canadian tariff classification under HS 2904: Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated. CBSA…"
canonical: "https://www.adhocs.ca/hs-codes/2904"
---

# 2904 Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated.

Up: [HS codes](https://www.adhocs.ca/hs-codes) › [Chapter 29](https://www.adhocs.ca/hs-codes/29)

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

- [2904.10.00.00](https://www.adhocs.ca/hs-codes/2904.10.00.00) Derivatives containing only sulpho groups, their salts and ethyl esters
- [2904.20.00.00](https://www.adhocs.ca/hs-codes/2904.20.00.00) Derivatives containing only nitro or only nitroso groups

## Perfluorooctane sulphonic acid, its salts and perfluorooctane sulphonyl fluoride

- [2904.31.00.00](https://www.adhocs.ca/hs-codes/2904.31.00.00) Perfluorooctane sulphonic acid
- [2904.32.00.00](https://www.adhocs.ca/hs-codes/2904.32.00.00) Ammonium perfluorooctane sulphonate
- [2904.33.00.00](https://www.adhocs.ca/hs-codes/2904.33.00.00) Lithium perfluorooctane sulphonate
- [2904.34.00.00](https://www.adhocs.ca/hs-codes/2904.34.00.00) Potassium perfluorooctane sulphonate
- [2904.35.00.00](https://www.adhocs.ca/hs-codes/2904.35.00.00) Other salts of perfluorooctane sulphonic acid
- [2904.36.00.00](https://www.adhocs.ca/hs-codes/2904.36.00.00) Perfluorooctane sulphonyl fluoride

## Other

- [2904.91.00.00](https://www.adhocs.ca/hs-codes/2904.91.00.00) Trichloronitromethane (chloropicrin)
- [2904.99.00.00](https://www.adhocs.ca/hs-codes/2904.99.00.00) Other

## Other headings in this chapter

- Previous: [2903](https://www.adhocs.ca/hs-codes/2903) Halogenated derivatives of hydrocarbons.
- Next: [2905](https://www.adhocs.ca/hs-codes/2905) Acyclic alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives.

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