What is HS code 283522 used for?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
HS-6 · Subheading
283522
Phosphates; of mono- or disodium, 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 283522 when importing or exporting mono- or disodium phosphates, such as disodium hydrogen phosphate used in food processing or as a buffering agent. This code specifically applies to phosphates that may be chemically defined or not.
This HS-6 line is distinct from HS-6 283521, which covers di- or trisodium phosphates. While both belong to the same heading, the specific chemical structure and sodium content differentiate their classifications.
Phosphates classified under this code are often used in various applications, including fertilizers, food additives, and cleaning agents. They can be found in products like baking powder or as a nutrient source in agriculture.
When dealing with these phosphates, ensure you have the correct specifications on your invoices, as the chemical composition can affect tariff rates and regulatory requirements. Accurate classification is crucial for compliance.
Keywords & topics
Useful terms traders and brokers use for this HS-6 subheading.
mono-disodium phosphates · disodium hydrogen phosphate · food additives · cleaning agents · fertilizers · chemical composition · buffering agents · agricultural nutrients · phosphate classification · import export regulations · tariff rates · phosphate applications · processed food ingredients · water treatment chemicals
Examples
Drawn from the official tariff wording for this HS-6 subheading. Always confirm against your published schedule and legal notes.
- Disodium hydrogen phosphate used in bakery products
- Mono- or disodium phosphate as a food additive in processed cheese
- Disodium phosphate in cleaning products for pH regulation
- Fertilizer formulations containing disodium phosphates
- Disodium phosphate used in pharmaceuticals as a buffering agent
- Mono- or disodium phosphates in water treatment chemicals
- Disodium hydrogen phosphate in cosmetics for emulsification
- Food-grade disodium phosphate for enhancing flavor in snacks
Common questions
Frequent classification questions with short practical guidance.
How to classify disodium phosphates?
Write down material, use, and product form first, then compare nearby lines before you lock the code.
Are mono- and disodium phosphates the same?
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What products fall under HS-6 283522?
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What are the uses of disodium hydrogen phosphate?
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How to import mono-disodium phosphates?
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What are the tariff rates for phosphates?
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Do I need special permits for disodium phosphates?
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Related topics
Common real-world topics that come up during code comparison.
How to determine if my product is mono- or disodium phosphate
Use this topic to narrow your shortlist, then validate the final code against legal wording.
What is the difference between HS-6 283521 and 283522?
Compare adjacent HS lines and pick the one that matches material, function, and product form most closely.
Examples of products classified under HS-6 283522
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What documentation is needed for importing disodium phosphates?
Check the exact product specs and destination-country tariff notes before finalizing the code.
How to comply with regulations for phosphate imports
Check the exact product specs and destination-country tariff notes before finalizing the code.
Are there any restrictions on disodium hydrogen phosphate?
Use this topic to narrow your shortlist, then validate the final code against legal wording.
What are the applications of mono- or disodium phosphates in food?
Use this topic to narrow your shortlist, then validate the final code against legal wording.
How to check the chemical definition for HS-6 283522
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 283522?
- Products like disodium hydrogen phosphate used in food processing, fertilizers, and cleaning agents fall under this classification.
- How do I know if my product qualifies for HS-6 283522?
- Check the chemical composition; it should be a mono- or disodium phosphate, either chemically defined or not.
- What is the difference between HS-6 283521 and 283522?
- HS-6 283521 covers di- or trisodium phosphates, while HS-6 283522 is specifically for mono- or disodium phosphates.
- Are there any special regulations for importing disodium phosphates?
- Yes, ensure compliance with food safety and chemical regulations, as well as tariff classifications.
- Can disodium phosphates be used in food products?
- Yes, disodium phosphates are commonly used as food additives in various processed foods.
- What documentation do I need for importing phosphates?
- You will need a commercial invoice, packing list, and possibly a certificate of analysis depending on the product's use.
- Is there a difference in tariff rates for different phosphates?
- Yes, tariff rates can vary based on the specific phosphate type and its intended use, so accurate classification is important.
- What industries commonly use mono- or disodium phosphates?
- Industries such as food processing, agriculture, and cleaning products frequently utilize mono- or disodium phosphates.
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