Acids; acyclic polycarboxylic acids; n.e.c. in item no. 2917.1

HS v2022 Code: 291719

About acids; acyclic polycarboxylic acids; n.e.c. in item no. 2917.1

HS code 291719 covers a diverse range of acyclic polycarboxylic acids, which are essential chemical compounds used in various industries. These acids play a crucial role in the production of plastics, pharmaceuticals, and other important materials. As a key component of the broader chemical industry, the products under this code contribute significantly to the global economy and support the development of numerous downstream applications.

Production process

The production of acyclic polycarboxylic acids classified under HS code 291719 typically involves a multi-step chemical synthesis process. This often includes the oxidation of alcohols or aldehydes, the hydrolysis of esters, or the carboxylation of hydrocarbons. The specific techniques used may vary depending on the target acid and the desired purity levels, but generally involve a combination of reaction, separation, and purification steps.

Production inputs

The main inputs required for the production of acyclic polycarboxylic acids under HS code 291719 include a range of organic chemicals, such as alcohols, aldehydes, and hydrocarbons. Additionally, various catalysts, solvents, and other reagents are often used in the synthesis process. Specialized production equipment, such as reactors, distillation columns, and purification systems, are also essential for the efficient and high-quality manufacture of these acids.

Production outputs

The acyclic polycarboxylic acids produced under HS code 291719 have a wide range of applications. They are used as intermediates in the production of 390000 Plastics and articles thereof, 300000 Pharmaceutical products, and 291700 Polycarboxylic acids, their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. These acids also find use in the manufacture of various other chemicals, coatings, and specialty products.

Revisions to 291719

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 291719. The most recent 1 version of this code (291719) is in the HS v2022 system (this version):

This page shows the most recent version of code 291719.

Family tree for acids; acyclic polycarboxylic acids; n.e.c. in item no. 2917.1

    graph LR
    A["<a href='/classifications/hs/v2022/29'>29: Organic chemicals</a>"]
A --> B["<a href='/classifications/hs/v2022/2917'>2917: Acids; polycarboxylic acids, their anhydrides, halides, peroxides and peroxy-acids; their halogenated, sulphonated, nitrated or nitrosated derivatives</a>"]
B --> C["<a href='/classifications/hs/v2022/291719'>291719: Acids; acyclic polycarboxylic acids; n.e.c. in item no. 2917.1</a>"]

    B --> D["<a href='/classifications/hs/v2022/291711'>291711: Acids; acyclic polycarboxylic acids; oxalic acid, its salts and esters</a>"]
B --> E["<a href='/classifications/hs/v2022/291712'>291712: Acids; acyclic polycarboxylic acids; adipic acid, its salts and esters</a>"]
B --> F["<a href='/classifications/hs/v2022/291713'>291713: Acids; acyclic polycarboxylic acids; azelaic acid, sebacic acid, their salts and esters</a>"]
B --> G["<a href='/classifications/hs/v2022/291714'>291714: Acids; acyclic polycarboxylic acids; maleic anhydride</a>"]
B --> H["<a href='/classifications/hs/v2022/291720'>291720: Acids; cyclanic, cyclenic or cycloterpenic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and derivatives</a>"]
B --> I["<a href='/classifications/hs/v2022/291732'>291732: Acids; aromatic polycarboxylic acids; dioctyl orthophthalates</a>"]
B --> J["<a href='/classifications/hs/v2022/291733'>291733: Acids; aromatic polycarboxylic acids; dinonyl or didecyl orthophthalates</a>"]
B --> K["<a href='/classifications/hs/v2022/291734'>291734: Acids; aromatic polycarboxylic acids; other esters of orthophthalic acids</a>"]
B --> L["<a href='/classifications/hs/v2022/291735'>291735: Acids; aromatic polycarboxylic acids; phthalic anhydride</a>"]
B --> M["<a href='/classifications/hs/v2022/291736'>291736: Acids; aromatic polycarboxylic acids; terephthalic acid and its salts</a>"]
B --> N["<a href='/classifications/hs/v2022/291737'>291737: Acids; aromatic polycarboxylic acids; dimethyl terephthalate</a>"]
B --> O["<a href='/classifications/hs/v2022/291739'>291739: Acids; aromatic polycarboxylic acids; n.e.c. in item no. 2917.3</a>"]

    

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