TradeTools

HS-6 · Subheading

291739

Acids; aromatic polycarboxylic acids; n.e.c. in item no. 2917.3

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 291739 when importing or exporting aromatic polycarboxylic acids not elsewhere classified. For example, this code applies to shipments of phthalic acid derivatives used in plasticizers and dyes.

This code is part of the 29 chapter on organic chemicals, which includes a variety of chemical compounds. It narrows down to 2917, focusing specifically on acids and their derivatives.

The 291739 subheading covers aromatic polycarboxylic acids that don't fit into other specific categories. This can include compounds like isophthalic acid and terephthalic acid, which are used in polyester production.

When considering related codes, HS-6 291731 covers benzenedicarboxylic acids like phthalic acid, while HS-6 291734 includes naphthalene derivatives. Understanding these distinctions is crucial for accurate classification.

Keywords & topics

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

aromatic polycarboxylic acids · chemical imports · phthalic acid derivatives · polyester production · chemical classification · organic chemicals trade · import export regulations · chemical intermediates · acids and derivatives · resin manufacturing · dye production · specialty chemicals · bulk chemical shipments · industrial chemicals · chemical supply chain

Examples

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

  • Shipments of isophthalic acid for use in resins
  • Terephthalic acid supplied to textile manufacturers
  • Phthalic anhydride used in plastic production
  • Aromatic carboxylic acids for dye formulations
  • Chemical intermediates for producing polyesters
  • Specialty chemicals for coatings and adhesives
  • Bulk imports of aromatic polycarboxylic acids for industrial use

Common questions

Frequent classification questions with short practical guidance.

What is HS code 291739 used for?

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

How to classify aromatic polycarboxylic acids?

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

What products fall under HS-6 291739?

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

Are terephthalic and isophthalic acids classified the same?

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

What are the applications of aromatic polycarboxylic acids?

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

How to import phthalic acid derivatives?

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

What are the regulations for importing organic chemicals?

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

Can I use HS-6 291739 for all aromatic acids?

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.

Differences between HS-6 291731 and 291739

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

How to determine if a chemical is n.e.c. in 2917.3

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

Examples of aromatic polycarboxylic acids for trade

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

What to include in invoices for HS-6 291739 shipments

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

Guidelines for classifying organic chemicals in trade

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

How to handle customs for aromatic acids

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

Best practices for importing specialty chemicals

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

Understanding the use of aromatic polycarboxylic acids in industry

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-6 291739?
HS-6 291739 includes aromatic polycarboxylic acids like isophthalic acid and terephthalic acid, used in resins and dyes.
How do I know if my chemical falls under this HS code?
Check if your chemical is an aromatic polycarboxylic acid that is not classified elsewhere. If it fits, use HS-6 291739.
Are there any specific regulations for importing these chemicals?
Yes, ensure compliance with local regulations regarding chemical imports, including safety and labeling requirements.
Can I use HS-6 291739 for all aromatic acids?
No, only for those specifically classified as aromatic polycarboxylic acids that are not covered by other codes.
What is the difference between HS-6 291739 and HS-6 291731?
HS-6 291731 covers benzenedicarboxylic acids like phthalic acid, while HS-6 291739 is for other aromatic polycarboxylic acids.
What should I include in my shipping documents for HS-6 291739?
Include the chemical name, quantity, and intended use, along with any safety data sheets required for customs.
How can I ensure accurate classification for my products?
Consult with a customs broker or refer to the official tariff schedule to confirm the appropriate HS code for your products.
What industries use aromatic polycarboxylic acids?
They are commonly used in the textile, plastics, and coatings industries, particularly for producing polyesters and dyes.

Continue classification

Parent context

Nearby siblings

Next best action

Pick one of these actions to move from reading to a defensible classification decision.

Browse this subheading in the lookup

← HS-4 2917