Acids; saturated acyclic monocarboxylic acids; acetic anhydride

HS v2017 Code: 291524

About acids; saturated acyclic monocarboxylic acids; acetic anhydride

HS code 291524 covers a group of saturated acyclic monocarboxylic acids, including the widely used acetic anhydride. These chemicals play a crucial role in various industries, serving as essential building blocks for a range of products. From pharmaceuticals and plastics to textiles and food preservatives, the compounds under this code are integral to the global economy and modern life.

Production process

The production of the chemicals covered by HS code 291524 typically involves a multi-step process. The starting point is often the oxidation of alcohols or the hydrolysis of acyl halides, leading to the formation of the desired carboxylic acids. These acids can then be further processed, such as through esterification or anhydride formation, to create the final products.

Production inputs

The main inputs required for the production of the chemicals under HS code 291524 include various alcohols, halides, and other organic compounds. Additionally, the process may require specialized equipment, such as reactors, distillation columns, and purification systems. Energy sources, such as heat or electricity, are also essential for the various steps involved in the production.

Production outputs

The outputs of the industries covered by HS code 291524 include a range of saturated acyclic monocarboxylic acids and their derivatives, such as acetic anhydride. These chemicals are widely used as intermediates in the production of 291521 esters, 291522 ketones, and 291533 halogenated, sulfonated, nitrated or nitrosated derivatives of monocarboxylic acids, among other applications.

Revisions to 291524

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 291524. The most recent 1 version of this code (291524) is in the HS v2022 system:

This page shows a legacy version of code 291524 ( HS v2017).

Older versions

Family tree for acids; saturated acyclic monocarboxylic acids; acetic anhydride

    graph LR
    A["<a href='/classifications/hs/v2017/29'>29: Organic chemicals</a>"]
A --> B["<a href='/classifications/hs/v2017/2915'>2915: Acids; saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives</a>"]
B --> C["<a href='/classifications/hs/v2017/291524'>291524: Acids; saturated acyclic monocarboxylic acids; acetic anhydride</a>"]

    B --> D["<a href='/classifications/hs/v2017/291511'>291511: Acids; saturated acyclic monocarboxylic acids; formic acid</a>"]
B --> E["<a href='/classifications/hs/v2017/291512'>291512: Acids; saturated acyclic monocarboxylic acids; salts of formic acids</a>"]
B --> F["<a href='/classifications/hs/v2017/291513'>291513: Acids; saturated acyclic monocarboxylic acids; esters of formic acid</a>"]
B --> G["<a href='/classifications/hs/v2017/291521'>291521: Acids; saturated acyclic monocarboxylic acids; acetic acid</a>"]
B --> H["<a href='/classifications/hs/v2017/291529'>291529: Acids; saturated acyclic monocarboxylic acids; acetic acid and its salts n.e.c. in item no. 2915.2</a>"]
B --> I["<a href='/classifications/hs/v2017/291531'>291531: Acids; saturated acyclic monocarboxylic acids; ethyl acetate</a>"]
B --> J["<a href='/classifications/hs/v2017/291532'>291532: Acids; saturated acyclic monocarboxylic acids; vinyl acetate</a>"]
B --> K["<a href='/classifications/hs/v2017/291533'>291533: Acids; saturated acyclic monocarboxylic acids; n-butyl acetate</a>"]
B --> L["<a href='/classifications/hs/v2017/291536'>291536: Acids; saturated acyclic monocarboxylic acids; dinoseb (ISO) acetate</a>"]
B --> M["<a href='/classifications/hs/v2017/291539'>291539: Acids; saturated acyclic monocarboxylic acids; esters of acetic acid n.e.c. in item no. 2915.3</a>"]
B --> N["<a href='/classifications/hs/v2017/291540'>291540: Acids; saturated acyclic monocarboxylic acids; mono-, di- or trichloroacetic acids, their salts and esters</a>"]
B --> O["<a href='/classifications/hs/v2017/291550'>291550: Acids; saturated acyclic monocarboxylic acids; propionic acid, its salts and esters</a>"]
B --> P["<a href='/classifications/hs/v2017/291560'>291560: Acids; saturated acyclic monocarboxylic acids; butanoic acids, pentanoic acids, their salts and esters</a>"]
B --> Q["<a href='/classifications/hs/v2017/291570'>291570: Acids; saturated acyclic monocarboxylic acids; palmitic acid, stearic acid, their salts and esters</a>"]
B --> R["<a href='/classifications/hs/v2017/291590'>291590: Acids; saturated acyclic monocarboxylic acids; anhydrides, halides, peroxides, peroxyacids and halogenated, sulphonated, nitrated or nitrosated derivatives, n.e.c. in heading no. 2915</a>"]

    

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