</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Calcium Nitride Granules from Germany

Calcium nitride (Ca3N2) in granular form serves as a nitrogen source in metallurgy and semiconductor production. Classified under HTS 2850.00.0500 as a chemically defined nitride of calcium, meeting Chapter 28 Note 1 criteria. It hydrolyzes to release ammonia.

Duty Rate — Germany → United States

10%

Rate breakdown

9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%

Import Tips

Declare nitrogen content precisely to distinguish from calcium cyanamide (Chapter 31 exclusion)

Include end-use statements if for fertilizer production to prevent reclassification

Verify importer has facilities for air-sensitive materials as calcium nitride is reactive with moisture