HS Code for Adipic acid

Adipic acid is classified under HS code 291712, which specifically covers "Acids; acyclic polycarboxylic acids; adipic acid, its salts and esters." This classification is found within Chapter 29, dedicated to organic chemicals. Adipic acid, also known as hexanedioic acid, is a dicarboxylic acid, meaning it contains two carboxyl functional groups. Its acyclic (open-chain) structure and the presence of multiple carboxylic acid groups place it firmly within the "acyclic polycarboxylic acids" category. The heading explicitly names adipic acid, along with its corresponding salts and esters, ensuring a precise classification for this important industrial chemical. Its classification as a pure organic chemical distinguishes it from mixtures or preparations where it might be an ingredient.

Products Included

• Adipic acid (hexanedioic acid)
• Disodium adipate
• Diethyl adipate
• Dimethyl adipate
• Adipoyl chloride (as an ester derivative)

Common Misclassification

Adipic acid can be subject to misclassification if its specific chemical structure or purity is not accurately identified. A common point of confusion is with other acyclic polycarboxylic acids that are not specifically adipic acid; these would fall under HS code 291719 ("Other acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their halogenated, sulphonated, nitrated or nitrosated derivatives"). For example, succinic acid or glutaric acid, while also acyclic dicarboxylic acids, would be classified under 291719. Another potential misclassification arises if adipic acid is part of a mixture or preparation, rather than being in its pure form. In such cases, the mixture might be classified under headings like HS code 382499 ("Other chemical products and preparations of the chemical or allied industries") if it's a general chemical preparation, or under a more specific heading if it's a defined mixture for a particular use. The key is the purity and specific chemical identity of adipic acid.

FAQ

What is the HS code for Adipic acid?

The HS code for adipic acid, including its salts and esters, is 291712.

What are the primary industrial uses of adipic acid?

Adipic acid is a crucial intermediate in the chemical industry, primarily used in the production of nylon 6,6, which is a widely used synthetic polymer. It is also utilized in the manufacturing of polyurethanes, plasticizers, and as an acidulant in some food products.