What is HS code 283531 used for?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
HS-6 · Subheading
Polyphosphates; 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
Use HS-6 283531 when importing or exporting sodium triphosphate, a common food additive and cleaning agent. For example, shipments of sodium tripolyphosphate in bulk for use in detergents fall under this code.
This code specifically covers polyphosphates like sodium triphosphate, which is distinct from other phosphates that may not have the same chemical structure or applications. For instance, HS-6 283530 includes other forms of phosphonates that are not specifically sodium triphosphate.
When considering this HS-6, note that sodium triphosphate is often used in food processing as a preservative or emulsifier, while other polyphosphates may be used in industrial applications, such as water treatment.
If you're dealing with sodium triphosphate, ensure your product specifications match this classification, as using the wrong code could lead to customs delays or fines.
Useful terms traders and brokers use for this HS-6 subheading.
sodium triphosphate · polyphosphates · food additives · cleaning agents · chemical classification · bulk shipments · detergent production · preservatives · emulsifiers · food processing · water treatment · laboratory samples · customs classification · HS code 283531 · chemical compounds · industrial applications · import/export regulations
Drawn from the official tariff wording for this HS-6 subheading. Always confirm against your published schedule and legal notes.
Frequent classification questions with short practical guidance.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Write down material, use, and product form first, then compare nearby lines before you lock the code.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Common real-world topics that come up during code comparison.
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Compare adjacent HS lines and pick the one that matches material, function, and product form most closely.
Check the exact product specs and destination-country tariff notes before finalizing the code.
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Check the exact product specs and destination-country tariff notes before finalizing the code.
Use this as a checklist topic, then confirm legal requirements with your broker or customs advisor.
For orientation only—the binding text is your national tariff and the WCO nomenclature your country uses.
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