Acids; saturated acyclic monocarboxylic acids; acetic anhydride
HS v2022 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 wide 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. Acetic anhydride, for example, is commonly synthesized through the reaction of acetic acid with acetic acid chloride. This reaction is often carried out in the presence of a catalyst to improve efficiency and yield. Other saturated acyclic monocarboxylic acids may be produced through the oxidation of corresponding alcohols or the hydrolysis of alkyl halides.
Production inputs
The main inputs required for the production of the chemicals under HS code 291524 include acetic acid, acetic acid chloride, and various catalysts. Depending on the specific compound, other raw materials such as alcohols or alkyl halides may also be necessary. Additionally, specialized equipment, such as reactors, distillation columns, and purification systems, are essential for the manufacturing process.
Production outputs
The chemicals covered by HS code 291524 are widely used as intermediates in the production of a diverse range of products. Acetic anhydride, for instance, is a key ingredient in the manufacture of 291521 cellulose acetate, 291522 acetates, and various pharmaceutical compounds. Other saturated acyclic monocarboxylic acids may find applications in the production of 291531 formic acid, 291532 propionic acid, and 291533 butyric acid, which are further utilized in the food, agriculture, and chemical industries.
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 version):
This page shows the most recent version of code 291524.
Older versions
Family tree for acids; saturated acyclic monocarboxylic acids; acetic anhydride
graph LR
A["<a href='/classifications/hs/v2022/29'>29: Organic chemicals</a>"]
A --> B["<a href='/classifications/hs/v2022/2915'>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/v2022/291524'>291524: Acids; saturated acyclic monocarboxylic acids; acetic anhydride</a>"]
B --> D["<a href='/classifications/hs/v2022/291511'>291511: Acids; saturated acyclic monocarboxylic acids; formic acid</a>"]
B --> E["<a href='/classifications/hs/v2022/291512'>291512: Acids; saturated acyclic monocarboxylic acids; salts of formic acids</a>"]
B --> F["<a href='/classifications/hs/v2022/291513'>291513: Acids; saturated acyclic monocarboxylic acids; esters of formic acid</a>"]
B --> G["<a href='/classifications/hs/v2022/291521'>291521: Acids; saturated acyclic monocarboxylic acids; acetic acid</a>"]
B --> H["<a href='/classifications/hs/v2022/291529'>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/v2022/291531'>291531: Acids; saturated acyclic monocarboxylic acids; ethyl acetate</a>"]
B --> J["<a href='/classifications/hs/v2022/291532'>291532: Acids; saturated acyclic monocarboxylic acids; vinyl acetate</a>"]
B --> K["<a href='/classifications/hs/v2022/291533'>291533: Acids; saturated acyclic monocarboxylic acids; n-butyl acetate</a>"]
B --> L["<a href='/classifications/hs/v2022/291536'>291536: Acids; saturated acyclic monocarboxylic acids; dinoseb (ISO) acetate</a>"]
B --> M["<a href='/classifications/hs/v2022/291539'>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/v2022/291540'>291540: Acids; saturated acyclic monocarboxylic acids; mono-, di- or trichloroacetic acids, their salts and esters</a>"]
B --> O["<a href='/classifications/hs/v2022/291550'>291550: Acids; saturated acyclic monocarboxylic acids; propionic acid, its salts and esters</a>"]
B --> P["<a href='/classifications/hs/v2022/291560'>291560: Acids; saturated acyclic monocarboxylic acids; butanoic acids, pentanoic acids, their salts and esters</a>"]
B --> Q["<a href='/classifications/hs/v2022/291570'>291570: Acids; saturated acyclic monocarboxylic acids; palmitic acid, stearic acid, their salts and esters</a>"]
B --> R["<a href='/classifications/hs/v2022/291590'>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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