Calcium Hydride Powder from Japan
Calcium hydride (CaH2) acts as a desiccant and hydrogen source in chemical manufacturing. Falls under HTS 2850.00.5000 as an alkaline earth metal hydride. Gray powder that reacts vigorously with water.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• UN 1404 classification requires steel drums with desiccant packs
• Provide hydrogen evolution test data for customs safety review
• Confirm compliance with OSHA pyrophoric material standards