4-Nitro-1H-pyrazole from Japan
4-Nitro-1H-pyrazole contains an unfused pyrazole ring with nitro group substitution at position 4, qualifying as a nitrogen-heterocyclic compound under heading 2933. Classified in 2933.19.90.00 as 'other' pyrazole derivative. Used in synthesis of explosives, pharmaceuticals, and energetic materials.
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
• Obtain ATF import permit if ultimate use involves energetic materials or explosives precursors
• Nitro compounds require shock/heat stability testing documentation for transportation
• Avoid misclassification as 'nitroaromatic' under 2904 - pyrazole ring takes precedence