What is HS code 283539 used for?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
HS-6 · Subheading
283539
Polyphosphates; other than sodium triphosphate (sodium tripolyphosphate), whether or not chemically defined
Heading 2835 — Phosphinates (hypophosphites), phosphonates (phosphites), and phosphates; and polyphosphates, whether or not chemically defined
Chapter 28: Inorganic chemicals
Plain-language overview
Use HS-6 283539 when importing or exporting polyphosphates that are not sodium triphosphate. This includes products like ammonium polyphosphate used in fertilizers, which are essential for agricultural applications.
This code specifically covers polyphosphates other than sodium triphosphate, distinguishing it from HS-6 283540, which includes sodium triphosphate itself. Understanding this difference is crucial for compliance and accurate tariff classification.
Polyphosphates can be used in various applications, including food processing as emulsifiers or in detergents. If your product is a complex polyphosphate blend, ensure it fits the criteria outlined for this HS-6 line.
When determining if this code applies, consider the chemical composition and intended use of your product. If it contains a mix of phosphates and polyphosphates, you may need to consult with a customs broker for precise classification.
Keywords & topics
Useful terms traders and brokers use for this HS-6 subheading.
polyphosphates classification · HS-6 283539 · fertilizer ingredients · ammonium polyphosphate · food processing additives · detergent components · chemical composition · customs broker assistance · tariff classification · polyphosphate applications · industrial chemicals · emulsifiers in cosmetics · water treatment chemicals · agricultural polyphosphates
Examples
Drawn from the official tariff wording for this HS-6 subheading. Always confirm against your published schedule and legal notes.
- Ammonium polyphosphate used in fertilizers
- Calcium polyphosphate for food additives
- Magnesium polyphosphate in detergents
- Complex polyphosphate blends for industrial applications
- Polyphosphate emulsifiers for cosmetic products
- Liquid polyphosphate solutions for water treatment
- Polyphosphate salts used in pharmaceuticals
- Granular polyphosphates for agricultural use
Common questions
Frequent classification questions with short practical guidance.
How to classify polyphosphates for import?
Write down material, use, and product form first, then compare nearby lines before you lock the code.
Is ammonium polyphosphate covered under HS-6 283539?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
What are the applications of polyphosphates?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
How to determine the right HS code for phosphates?
Match the product to the legal wording, then verify the final pick in your country tariff schedule before filing.
Are there restrictions on polyphosphates imports?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
What is the difference between HS-6 283539 and 283540?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Do I need a broker for polyphosphate classification?
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 ammonium polyphosphate for customs
Check the exact product specs and destination-country tariff notes before finalizing the code.
Differences between polyphosphates and sodium triphosphate
Compare adjacent HS lines and pick the one that matches material, function, and product form most closely.
What products fall under HS-6 283539?
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Guidelines for importing polyphosphates
Check the exact product specs and destination-country tariff notes before finalizing the code.
Customs regulations for polyphosphate products
Check the exact product specs and destination-country tariff notes before finalizing the code.
Understanding polyphosphate chemical definitions
Use this topic to narrow your shortlist, then validate the final code against legal wording.
What to include in a polyphosphate shipment
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Consulting a broker for HS code classification
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 fall under HS-6 283539?
- HS-6 283539 covers polyphosphates other than sodium triphosphate, including ammonium polyphosphate and calcium polyphosphate used in fertilizers and food processing.
- How can I ensure my product is classified correctly?
- Review the chemical composition and intended use of your product. If uncertain, consult a customs broker for guidance on classification.
- What is the difference between HS-6 283539 and HS-6 283540?
- HS-6 283539 includes polyphosphates other than sodium triphosphate, while HS-6 283540 specifically covers sodium triphosphate.
- Are there any import restrictions on polyphosphates?
- Import restrictions can vary by country. Check with local regulations and your customs broker for specific guidelines on polyphosphate imports.
- Can polyphosphates be used in food products?
- Yes, certain polyphosphates are used as emulsifiers and additives in food processing, but ensure they meet safety regulations.
- Do I need to provide documentation for polyphosphate imports?
- Yes, proper documentation, including chemical composition and intended use, is essential for customs clearance.
- What are common applications for polyphosphates?
- Polyphosphates are commonly used in fertilizers, detergents, food processing, and water treatment.
- How do I find the right HS code for my polyphosphate product?
- Identify the specific type of polyphosphate and its use. If needed, consult a customs broker for accurate classification.
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