What is HS code 290431 used for?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
HS-6 · Subheading
290431
Derivatives of hydrocarbons; perfluorooctane sulphonic acid, whether or not halogenated
Heading 2904 — Sulphonated, nitrated or nitrosated derivatives of hydrocarbons; whether or not halogenated
Chapter 29: Organic chemicals
Plain-language overview
Use HS-6 290431 when importing or exporting perfluorooctane sulphonic acid, a chemical often used in industrial applications like surfactants or coatings. For example, shipments containing this compound in bulk containers or specialized chemical drums should be classified under this code.
This code specifically covers derivatives of hydrocarbons that are sulphonated, nitrated, or nitrosated, with a focus on perfluorooctane sulphonic acid. In contrast, HS-6 290432 deals with other similar derivatives that may not include perfluorooctane sulphonic acid.
When considering HS-6 290431, it's essential to differentiate it from related codes like HS-6 290440, which covers other sulphonated derivatives. Ensure that your product's chemical structure aligns with the specific criteria of this subheading to avoid misclassification.
Keywords & topics
Useful terms traders and brokers use for this HS-6 subheading.
perfluorooctane sulphonic acid · sulphonated hydrocarbons · chemical import export · industrial surfactants · bulk chemical shipments · chemical classification · hydrocarbon derivatives · nitrated chemicals · chemical formulations · specialty coatings · laboratory chemical samples · cleaning agents · research chemicals · manufacturing intermediates
Examples
Drawn from the official tariff wording for this HS-6 subheading. Always confirm against your published schedule and legal notes.
- Bulk shipments of perfluorooctane sulphonic acid in 200-liter drums
- Chemical formulations containing perfluorooctane sulphonic acid as a surfactant
- Samples of perfluorooctane sulphonic acid for laboratory testing
- Industrial coatings that include perfluorooctane sulphonic acid
- Specialty cleaning agents featuring perfluorooctane sulphonic acid
- Research and development materials with perfluorooctane sulphonic acid
- Intermediate chemicals for manufacturing processes involving perfluorooctane sulphonic acid
Common questions
Frequent classification questions with short practical guidance.
How to classify perfluorooctane sulphonic acid?
Write down material, use, and product form first, then compare nearby lines before you lock the code.
Is perfluorooctane sulphonic acid hazardous?
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What are the applications of HS-6 290431?
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Can I ship perfluorooctane sulphonic acid internationally?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
What packaging is required for HS-6 290431?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Are there any restrictions on perfluorooctane sulphonic acid?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
How do I find the right HS code for my chemical product?
Match the product to the legal wording, then verify the final pick in your country tariff schedule before filing.
Related topics
Common real-world topics that come up during code comparison.
How to determine if my product fits HS-6 290431
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Examples of products classified under HS-6 290431
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What are the export regulations for perfluorooctane sulphonic acid?
Check the exact product specs and destination-country tariff notes before finalizing the code.
Differences between HS-6 290431 and 290440
Compare adjacent HS lines and pick the one that matches material, function, and product form most closely.
Guidelines for shipping perfluorooctane sulphonic acid
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Understanding the classification of sulphonated hydrocarbons
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What to include in documentation for HS-6 290431 shipments
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Best practices for importing perfluorooctane sulphonic acid
Check the exact product specs and destination-country tariff notes before finalizing the code.
Questions & answers
For orientation only—the binding text is your national tariff and the WCO nomenclature your country uses.
- What products fall under HS-6 290431?
- HS-6 290431 covers perfluorooctane sulphonic acid and similar sulphonated derivatives of hydrocarbons.
- Are there any special handling requirements for perfluorooctane sulphonic acid?
- Yes, ensure proper safety measures are in place as it can be hazardous. Follow local regulations for handling and transport.
- Can I use HS-6 290431 for formulations containing perfluorooctane sulphonic acid?
- Yes, if the formulation contains perfluorooctane sulphonic acid, it should be classified under HS-6 290431.
- What is the difference between HS-6 290431 and HS-6 290440?
- HS-6 290431 specifically addresses perfluorooctane sulphonic acid, while HS-6 290440 covers other sulphonated derivatives.
- Is perfluorooctane sulphonic acid allowed for export?
- Export regulations vary by country. Check with your local customs authority for specific export requirements.
- What packaging is recommended for shipping HS-6 290431?
- Use secure, leak-proof containers such as chemical drums or bulk containers that comply with hazardous material regulations.
- How do I ensure correct classification for my chemical product?
- Review the chemical structure and properties against the HS code descriptions and consult with a customs broker if needed.
- What documentation is needed for HS-6 290431 shipments?
- Prepare a commercial invoice, safety data sheet (SDS), and any required permits or declarations for hazardous materials.
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