Aldehydes; cyclic, without other oxygen function, other than benzaldehyde

HS v2017 Code: 291229

About aldehydes; cyclic, without other oxygen function, other than benzaldehyde

HS code 291229 covers a range of cyclic aldehydes, which are organic compounds containing a carbonyl group (C=O) within a ring structure. These aldehydes play a crucial role in various industries, including pharmaceuticals, fragrances, and chemical synthesis. As an important class of intermediates, the compounds classified under this code contribute significantly to the broader chemical industry and the global economy.

Production process

The production of cyclic aldehydes covered by HS code 291229 typically involves a multi-step process. The key steps often include the cyclization of linear precursors, such as alcohols or carboxylic acids, followed by oxidation to form the desired aldehyde. Catalysts, such as transition metal complexes, may be used to facilitate these reactions and improve efficiency. Careful control of reaction conditions, such as temperature and pressure, is essential to ensure the desired product is obtained with high purity and yield.

Production inputs

The main inputs required for the production of cyclic aldehydes under HS code 291229 include a range of organic raw materials, such as alcohols, carboxylic acids, and other precursor compounds. Additionally, specialized catalysts, solvents, and energy sources (e.g., heat or electricity) are necessary for the various steps of the production process. Efficient manufacturing also relies on specialized equipment, such as reactors, distillation columns, and purification systems.

Production outputs

The cyclic aldehydes classified under HS code 291229 are widely used as intermediates in the synthesis of a variety of other chemical compounds. These aldehydes may be further transformed into alcohols, carboxylic acids, or other derivatives through various chemical reactions. The outputs of this industry are often consumed by 291500 Heterocyclic compounds, 293000 Organo-inorganic compounds, and 294000 (Heterocyclic compounds with nitrogen hetero-atom(s) only), among other related chemical industries.

Revisions to 291229

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 291229. The most recent 1 version of this code (291229) is in the HS v2022 system:

This page shows a legacy version of code 291229 ( HS v2017).

Older versions

Family tree for aldehydes; cyclic, without other oxygen function, other than benzaldehyde

    graph LR
    A["<a href='/classifications/hs/v2017/29'>29: Organic chemicals</a>"]
A --> B["<a href='/classifications/hs/v2017/2912'>2912: Aldehydes, whether or not with other oxygen function; cyclic polymers of aldehydes; paraformaldehyde</a>"]
B --> C["<a href='/classifications/hs/v2017/291229'>291229: Aldehydes; cyclic, without other oxygen function, other than benzaldehyde</a>"]

    B --> D["<a href='/classifications/hs/v2017/291211'>291211: Aldehydes; acyclic, without other oxygen function, methanal (formaldehyde)</a>"]
B --> E["<a href='/classifications/hs/v2017/291212'>291212: Aldehydes; acyclic, without other oxygen function, ethanal (acetaldehyde)</a>"]
B --> F["<a href='/classifications/hs/v2017/291219'>291219: Aldehydes; acyclic, without other oxygen function, n.e.c. in item no. 2912.1</a>"]
B --> G["<a href='/classifications/hs/v2017/291221'>291221: Aldehydes; cyclic, without other oxygen function, benzaldehyde</a>"]
B --> H["<a href='/classifications/hs/v2017/291241'>291241: Aldehydes; aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function, vanillin (4-hydroxy-3-methoxybenzaldehyde)</a>"]
B --> I["<a href='/classifications/hs/v2017/291242'>291242: Aldehydes; aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function, ethylvanillin (3-ethoxy-4-hydroxybenzaldehyde)</a>"]
B --> J["<a href='/classifications/hs/v2017/291249'>291249: Aldehyde-alcohols, aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function; other than vanillin (4-hydroxy-3-methoxybenzaldehyde) and ethylvanillin (3-ethoxy-4-hydroxybenzaldehyde)</a>"]
B --> K["<a href='/classifications/hs/v2017/291250'>291250: Aldehydes; cyclic polymers of aldehydes</a>"]
B --> L["<a href='/classifications/hs/v2017/291260'>291260: Paraformaldehyde</a>"]

    

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class D level6
class E level6
class F level6
class G level6
class H level6
class I level6
class J level6
class K level6
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  %% class B,C level2
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  %% class C highlight