Americium-241 Oxide Source Material from Japan
Americium-241 oxide (Am-241 O2) is used in neutron sources, smoke detectors, and industrial gauges as a chemically defined compound of transuranic element americium (atomic no. 95). It qualifies for HTS 2844.43.00 as a compound of radioactive elements with atomic number >84.
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
• Include specific activity documentation (typically ~4 Ci/g for Am-241); obtain NRC specific license
• Comply with 49 CFR 173.435 for excepted packages if ≤0.5 Ci total activity
• Verify exemption from 2844 if activity <74 Bq/g; common error is overlooking daughter nuclides