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HS-6 · Subheading

291720

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

Heading 2917Acids; polycarboxylic acids, their anhydrides, halides, peroxides and peroxy-acids; their halogenated, sulphonated, nitrated or nitrosated derivatives

Chapter 29: Organic chemicals

Plain-language overview

Use HS-6 291720 when importing or exporting cyclanic polycarboxylic acids, such as those used in specialized chemical formulations. For instance, if you're shipping a cyclohexane-based acid for industrial use, this code applies.

This code specifically covers acids that are derived from cyclanic structures, distinguishing them from other polycarboxylic acids like those classified under HS-6 291711 for aromatic polycarboxylic acids. Understanding this distinction is crucial for accurate classification.

When considering similar products, HS-6 291721 includes derivatives of cyclanic polycarboxylic acids, which may have different chemical properties or applications. Ensure you select the correct code based on the specific product characteristics.

These acids are often utilized in the production of resins, plastics, and other industrial chemicals, making proper classification essential for compliance and tariff purposes.

Keywords & topics

Useful terms traders and brokers use for this HS-6 subheading.

cyclanic polycarboxylic acids · HS code 291720 · chemical formulations · industrial chemicals · polycarboxylic acid derivatives · cyclohexane-based acids · chemical classification · tariff compliance · resin production acids · specialty coatings · pharmaceutical applications · agrochemical acids

Examples

Drawn from the official tariff wording for this HS-6 subheading. Always confirm against your published schedule and legal notes.

  • Cyclohexanetricarboxylic acid for resin production
  • 1,2,3-Cyclopentanetricarboxylic acid used in chemical synthesis
  • Cycloheptanecarboxylic acid for specialty coatings
  • Cyclopentane-1,2-dicarboxylic acid in pharmaceutical applications
  • Cyclohexane-1,2,3-tricarboxylic acid for food additives
  • Cyclohexene-1,2-dicarboxylic acid in agrochemicals
  • Cyclobutane-1,2-dicarboxylic acid for polymer manufacturing

Common questions

Frequent classification questions with short practical guidance.

What is HS code 291720 used for?

Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.

How to classify cyclanic polycarboxylic acids?

Write down material, use, and product form first, then compare nearby lines before you lock the code.

What are examples of cyclanic acids?

Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.

Are cyclohexanetricarboxylic acids covered under HS 291720?

Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.

What products fall under HS code 291720?

Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.

How do I determine the correct HS code for polycarboxylic acids?

Match the product to the legal wording, then verify the final pick in your country tariff schedule before filing.

What are the applications of cyclanic polycarboxylic acids?

Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.

Is there a difference between HS 291720 and HS 291721?

Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.

Related topics

Common real-world topics that come up during code comparison.

How to classify cyclanic polycarboxylic acids for import?

Check the exact product specs and destination-country tariff notes before finalizing the code.

Examples of products under HS code 291720

Use this topic to narrow your shortlist, then validate the final code against legal wording.

Understanding the differences between HS 291720 and HS 291721

Compare adjacent HS lines and pick the one that matches material, function, and product form most closely.

What types of acids are included in HS code 291720?

Use this topic to narrow your shortlist, then validate the final code against legal wording.

Classification of cyclohexane-based acids for export

Check the exact product specs and destination-country tariff notes before finalizing the code.

Using HS code 291720 for chemical compliance

Use this topic to narrow your shortlist, then validate the final code against legal wording.

What are the uses of cyclanic polycarboxylic acids in industry?

Use this topic to narrow your shortlist, then validate the final code against legal wording.

How to find the right HS code for specialty chemicals?

Use this topic to narrow your shortlist, then validate the final code against legal wording.

Questions & answers

For orientation only—the binding text is your national tariff and the WCO nomenclature your country uses.

What types of products are classified under HS code 291720?
HS code 291720 covers cyclanic polycarboxylic acids and their derivatives, such as cyclohexanetricarboxylic acid and cyclopentane-1,2-dicarboxylic acid, commonly used in industrial applications.
How can I ensure I'm using the correct HS code for my shipment?
Review the specific chemical structure and intended use of your product. If it is a cyclanic polycarboxylic acid, HS code 291720 is likely appropriate, but consult with a customs broker for confirmation.
Are there any similar HS codes I should be aware of?
Yes, HS code 291711 covers aromatic polycarboxylic acids, while HS code 291721 includes derivatives of cyclanic polycarboxylic acids. Ensure you choose the correct code based on your product's chemical composition.
What industries commonly use cyclanic polycarboxylic acids?
These acids are primarily used in the production of resins, plastics, and specialty coatings, as well as in pharmaceuticals and agrochemicals.
Can I use HS code 291720 for all polycarboxylic acids?
No, HS code 291720 is specific to cyclanic polycarboxylic acids. Other types of polycarboxylic acids fall under different HS codes, so it's important to classify them accurately.
What should I do if I'm unsure about the classification of my product?
It's best to consult with a customs broker or trade specialist who can help clarify the appropriate HS code based on your product's specific characteristics.

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