Heading 9902

9902.01.66

Potassium Tetraborate (CAS No. 12045-78-2) (provided for in subheading 2840.20.00)

Calculate a product's duty

Duty rates

General
Free
The base rate for goods from most countries.
Special
No change
Lower rates under trade agreements and programs, for goods that meet their rules of origin; each symbol names one.
Column 2
No change
The higher rate for the few countries without normal trade relations with the United States.

Base columns of the 2026 HTS Revision 22, in force from Oct. 30, 2026 (official source).

In the tariff

  1. 9902.01.66Potassium Tetraborate (CAS No. 12045-78-2) (provided for in subheading 2840.20.00)Free