HS Code Subheading

Acids; cyclanic, cyclenic or cycloterpenic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and derivatives

2917.20 Subheading
Section VI — Products of the chemical or allied industries

About HS Code 291720

This HS code encompasses a specialized group of organic chemicals: cyclanic, cyclenic, or cycloterpenic polycarboxylic acids and their various derivatives. These compounds feature cyclic structures and multiple carboxylic acid groups, lending them unique properties for applications in high-performance polymers, resins, lubricants, and specialty chemicals. Unlike their acyclic counterparts, these cyclic acids often impart enhanced thermal stability, rigidity, or specific optical properties to materials. Importers are typically industries requiring advanced materials, such as aerospace, automotive, and electronics, or those involved in synthesizing complex organic molecules. Exporters are often specialized chemical producers with expertise in cyclic organic synthesis. Key considerations in their trade include the complexity of their synthesis, the high purity requirements for demanding applications, and their relatively higher cost compared to commodity chemicals. Their niche applications drive a focused, high-value trade.

Products Under This Code

Cyclohexane-1,4-dicarboxylic acid, Cyclohexane-1,2-dicarboxylic anhydride, Norbornene dicarboxylic acid, Camphoric acid, Pinic acid, Tetrahydrophthalic anhydride, Hexahydrophthalic anhydride

Real World Examples

Sigma-Aldrich Cyclohexane-1,4-dicarboxylic acid, TCI Tetrahydrophthalic Anhydride, Merck KGaA Camphoric Acid, Alfa Aesar Hexahydrophthalic Anhydride

Common Misclassification

This code might be confused with aromatic polycarboxylic acids under 291739 if the distinction between cyclanic/cyclenic and aromatic rings is not clear, or with 291829 (other carboxylic acids with alcohol function) if the polycarboxylic nature is overlooked.

Related Codes

2917.11 Acids; acyclic polycarboxylic acids; oxalic acid, its salts and esters 2917.12 Acids; acyclic polycarboxylic acids; adipic acid, its salts and esters 2917.13 Acids; acyclic polycarboxylic acids; azelaic acid, sebacic acid, their salts and esters 2917.14 Acids; acyclic polycarboxylic acids; maleic anhydride 2917.19 Acids; acyclic polycarboxylic acids; n.e.c. in item no. 2917.1 2917.32 Acids; aromatic polycarboxylic acids; dioctyl orthophthalates 2917.33 Acids; aromatic polycarboxylic acids; dinonyl or didecyl orthophthalates 2917.34 Acids; aromatic polycarboxylic acids; other esters of orthophthalic acids 2917.35 Acids; aromatic polycarboxylic acids; phthalic anhydride 2917.36 Acids; aromatic polycarboxylic acids; terephthalic acid and its salts

Industry

This code belongs to the Chemicals industry.

Trade Overview

Japan, Germany, the USA, and China are prominent in the production and trade of these specialized cyclic polycarboxylic acids.

Frequently Asked Questions

What is HS code 291720?

HS code 291720 covers: Acids; cyclanic, cyclenic or cycloterpenic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and derivatives. This HS code encompasses a specialized group of organic chemicals: cyclanic, cyclenic, or cycloterpenic polycarboxylic acids and their various derivatives. These compounds feature cyclic structures and multiple carboxylic acid groups, lending them unique properties for applications in high-performance polymers, resins, lubricants, and specialty chemicals. Unlike their acyclic counterparts, these cyclic acids often impart enhanced thermal stability, rigidity, or specific optical properties to materials. Importers are typically industries requiring advanced materials, such as aerospace, automotive, and electronics, or those involved in synthesizing complex organic molecules. Exporters are often specialized chemical producers with expertise in cyclic organic synthesis. Key considerations in their trade include the complexity of their synthesis, the high purity requirements for demanding applications, and their relatively higher cost compared to commodity chemicals. Their niche applications drive a focused, high-value trade.

What products fall under HS code 291720?

Cyclohexane-1,4-dicarboxylic acid, Cyclohexane-1,2-dicarboxylic anhydride, Norbornene dicarboxylic acid, Camphoric acid, Pinic acid, Tetrahydrophthalic anhydride, Hexahydrophthalic anhydride

What are common misclassifications for HS code 291720?

This code might be confused with aromatic polycarboxylic acids under 291739 if the distinction between cyclanic/cyclenic and aromatic rings is not clear, or with 291829 (other carboxylic acids with alcohol function) if the polycarboxylic nature is overlooked.

How is HS code 291720 structured?

HS code 291720 is a 6-digit subheading under the Harmonized System. The first 2 digits (29) identify the chapter, digits 3-4 (17) identify the heading, and digits 5-6 (20) specify the subheading. This code is standardized globally by the World Customs Organization.