Tungsten Azide W(N3)6 from Japan
Tungsten hexakis(azide) is an energetic material used in pyrotechnics and airbag initiators. It classifies under HTS 2850.00.10.00 as a chemically defined azide of tungsten. The air-stable crystalline compound offers high detonation velocity.
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
• Mandatory UN explosives classification (Division 1.1D); ATF import license required
• Quantity limits apply (<50g per package) for air shipment
• Detonation testing certification needed to confirm azide identity