7-Nitronaphth[1,2]oxadiazole-5-sulfonic acid monohydrate from Japan
Hydrated crystalline form of the acid compound, still classified under HTS 2934.99.06.00 per Chapter Note 2(d) allowing water dissolution. The monohydrate form enhances handling stability for lab and industrial synthesis applications.
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
• Specify exact water content (theoretical 8.5% for monohydrate) in COA
• Use desiccated packaging to maintain hydration state during transit
• Avoid classification disputes by confirming water is lattice-bound, not solvent