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Data: HTSUS Rev.21 · 2026-10-18.12PrivacyAI-generated suggestion based on HTSUS text, not legal advice. Final classification rests with CBP rulings or licensed advice; the importer of record is responsible for the entry.

Harmonized Tariff Schedule of the U.S. › Chapter 28 Inorganic chemicals; compounds of precious metals, rare-earth metals, radioactive elements or isotopes

2850.00.05.00Tariff line

Classification path

Hydrides, nitrides, azides, silicides and borides, whether or not chemically defined, other than compounds which are also carbides of heading 2849
2850
Of calcium
2850.00.05.00

Rates of duty

General rate (Column 1)Free
Special—
Column 225%
Unitkg

Printed page 1420

Measure flags

for origin CN, entry date 2026-10-26 · base rate Free

  • Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
  • China 301 List 3 (9903.88.03)9903.88.03Applies+25%8-digit subheading 2850.00.05 is on L3
  • PGAEPA EP7

Confirmed total 37.5% · max 37.5%Full duty breakdown →

U.S. → China →