HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
---|---|---|---|---|---|
3913902090 | Doc | 60.8% | CN | US | 2025-05-12 |
3913100000 | Doc | 41.7% | CN | US | 2025-05-12 |
3913905000 | Doc | 61.5% | CN | US | 2025-05-12 |
3913902090 | Doc | 60.8% | CN | US | 2025-05-12 |
3913100000 | Doc | 41.7% | CN | US | 2025-05-12 |




Product Classification: Food Grade Alginic Acid / Alginic Acid Potassium
Below is the detailed HS code classification and tariff information for Food Grade Alginic Acid and Alginic Acid Potassium, based on the provided data:
1. HS Code: 3913.90.20.90
Description: Other polysaccharides and their derivatives (including alginic acid and its derivatives).
- Base Tariff Rate: 5.8%
- Additional Tariff (General): 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 60.8%
- Applicable Products: Food grade alginic acid, alginic acid potassium (depending on specific product form)
2. HS Code: 3913.10.00.00
Description: Alginic acid, its salts, and esters.
- Base Tariff Rate: 4.2%
- Additional Tariff (General): 7.5%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 41.7%
- Applicable Products: Food grade alginic acid, alginic acid potassium (if classified under this code)
3. HS Code: 3913.90.50.00
Description: Other categories of polysaccharides and derivatives (not covered under 3913.10).
- Base Tariff Rate: 6.5%
- Additional Tariff (General): 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 61.5%
- Applicable Products: Alginic acid potassium (if classified under this code)
Key Notes and Recommendations:
-
Tariff Changes After April 11, 2025:
A 30.0% additional tariff will be applied to all three HS codes. This is a critical date to be aware of for cost planning and compliance. -
Product Classification Clarification:
- Alginic acid may fall under 3913.10.00.00 or 3913.90.20.90, depending on its chemical form and purity.
-
Alginic acid potassium may be classified under 3913.10.00.00 or 3913.90.50.00, depending on the specific product description and documentation.
-
Certifications and Documentation:
- Ensure the product is food grade and meets relevant food safety standards (e.g., ISO, FDA, or local food authority certifications).
-
Provide technical specifications, chemical analysis reports, and certificates of origin to support the correct HS code classification.
-
Unit Price and Material Verification:
- Verify the material composition and unit price to ensure the correct HS code is applied.
- Incorrect classification may lead to customs penalties or delayed clearance.
Proactive Advice:
- Double-check the product’s chemical form (e.g., alginic acid vs. alginic acid potassium) and intended use (e.g., food additive, pharmaceutical, industrial) to determine the correct HS code.
- Consult with a customs broker or classification expert if the product is borderline or has multiple possible classifications.
- Monitor updates from customs authorities regarding any changes in tariff rates or classification rules after April 11, 2025.
Let me know if you need help with a specific product description or customs documentation.
Product Classification: Food Grade Alginic Acid / Alginic Acid Potassium
Below is the detailed HS code classification and tariff information for Food Grade Alginic Acid and Alginic Acid Potassium, based on the provided data:
1. HS Code: 3913.90.20.90
Description: Other polysaccharides and their derivatives (including alginic acid and its derivatives).
- Base Tariff Rate: 5.8%
- Additional Tariff (General): 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 60.8%
- Applicable Products: Food grade alginic acid, alginic acid potassium (depending on specific product form)
2. HS Code: 3913.10.00.00
Description: Alginic acid, its salts, and esters.
- Base Tariff Rate: 4.2%
- Additional Tariff (General): 7.5%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 41.7%
- Applicable Products: Food grade alginic acid, alginic acid potassium (if classified under this code)
3. HS Code: 3913.90.50.00
Description: Other categories of polysaccharides and derivatives (not covered under 3913.10).
- Base Tariff Rate: 6.5%
- Additional Tariff (General): 25.0%
- Special Tariff after April 11, 2025: 30.0%
- Total Tax Rate: 61.5%
- Applicable Products: Alginic acid potassium (if classified under this code)
Key Notes and Recommendations:
-
Tariff Changes After April 11, 2025:
A 30.0% additional tariff will be applied to all three HS codes. This is a critical date to be aware of for cost planning and compliance. -
Product Classification Clarification:
- Alginic acid may fall under 3913.10.00.00 or 3913.90.20.90, depending on its chemical form and purity.
-
Alginic acid potassium may be classified under 3913.10.00.00 or 3913.90.50.00, depending on the specific product description and documentation.
-
Certifications and Documentation:
- Ensure the product is food grade and meets relevant food safety standards (e.g., ISO, FDA, or local food authority certifications).
-
Provide technical specifications, chemical analysis reports, and certificates of origin to support the correct HS code classification.
-
Unit Price and Material Verification:
- Verify the material composition and unit price to ensure the correct HS code is applied.
- Incorrect classification may lead to customs penalties or delayed clearance.
Proactive Advice:
- Double-check the product’s chemical form (e.g., alginic acid vs. alginic acid potassium) and intended use (e.g., food additive, pharmaceutical, industrial) to determine the correct HS code.
- Consult with a customs broker or classification expert if the product is borderline or has multiple possible classifications.
- Monitor updates from customs authorities regarding any changes in tariff rates or classification rules after April 11, 2025.
Let me know if you need help with a specific product description or customs documentation.
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