9902.11.61-Alginic acid (CAS No. 9005-32-7), ammonium alginate (CAS

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Harmonized Tariff Schedule (2025 HTS Revision 30 (11/21/2025))

HTS Code	9902.11.61
Article Description	Alginic acid (CAS No. 9005-32-7), ammonium alginate (CAS No. 9005-34-9), potassium alginate (CAS No. 9005-36-1), calcium alginate (CAS No. 9005-35-0) and magnesium alginate (CAS No. 37251-44-8) (provided for in subheading 3913.10.00)
Quota of Quantity
Unit of Quantity	[]
Rates of Duty (1-General)	Free
Rates of Duty (1-Special)	No change
Rates of Duty (2-Cuba and North Korea)	No change
Footnotes	[{columns=[stat, units], marker=1, value=See chapter 99 statistical note 1., type=footnote}]
Additional Duty
Additional Duty(products of China)

Section XXII:	Special Classification Provisions; Temporary Legislation; Temporary Modifications Proclaimed pursuant to Trade Agreements Legislation; Additional Import Restrictions Proclaimed Pursuant to Section 22 of the Agricultural Adjustment Act, As Amended
Chapter 99	Temporary legislation; temporary modifications proclaimed pursuant to trade agreements legislation; additional import restrictions proclaimed pursuant to section 22 of the Agricultural Adjustment Act, as amended
Subheading 9902.11.61	Alginic acid (CAS No. 9005-32-7), ammonium alginate (CAS No. 9005-34-9), potassium alginate (CAS No. 9005-36-1), calcium alginate (CAS No. 9005-35-0) and magnesium alginate (CAS No. 37251-44-8) (provided for in subheading 3913.10.00)