--- title: "2912 – Aldehydes, whether or not with other…: Canada tariff & duty rates" description: "Every Canadian tariff classification under HS 2912: Aldehydes, whether or not with other oxygen function; cyclic polymers of aldehydes; paraformaldehyde…" canonical: "https://www.adhocs.ca/hs-codes/2912" --- # 2912 Aldehydes, whether or not with other oxygen function; cyclic polymers of aldehydes; paraformaldehyde. 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. ## Acyclic aldehydes without other oxygen function - [2912.11.00.00](https://www.adhocs.ca/hs-codes/2912.11.00.00) Methanal (formaldehyde) - [2912.12.00.00](https://www.adhocs.ca/hs-codes/2912.12.00.00) Ethanal (acetaldehyde) - [2912.19.00.00](https://www.adhocs.ca/hs-codes/2912.19.00.00) Other ## Cyclic aldehydes without other oxygen function - [2912.21.00.00](https://www.adhocs.ca/hs-codes/2912.21.00.00) Benzaldehyde - [2912.29.00.00](https://www.adhocs.ca/hs-codes/2912.29.00.00) Other ## Aldehyde-alcohols, aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function - [2912.41.00.00](https://www.adhocs.ca/hs-codes/2912.41.00.00) Vanillin (4-hydroxy-3-methoxybenzaldehyde) - [2912.42.00.00](https://www.adhocs.ca/hs-codes/2912.42.00.00) Ethylvanillin (3-ethoxy-4-hydroxybenzaldehyde) - [2912.49.00.00](https://www.adhocs.ca/hs-codes/2912.49.00.00) Other - [2912.50.00.00](https://www.adhocs.ca/hs-codes/2912.50.00.00) Cyclic polymers of aldehydes - [2912.60.00.00](https://www.adhocs.ca/hs-codes/2912.60.00.00) Paraformaldehyde ## Other headings in this chapter - Previous: [2911](https://www.adhocs.ca/hs-codes/2911) Acetals and hemiacetals, whether or not with other oxygen function, and their halogenated, sulphonated, nitrated or nitrosated derivatives. - Next: [2913](https://www.adhocs.ca/hs-codes/2913) Halogenated, sulphonated, nitrated or nitrosated derivatives of products of heading 29.12. [Source: CBSA Customs Tariff](https://www.cbsa-asfc.gc.ca/trade-commerce/tariff-tarif/menu-eng.html).