Sulfonitric Acid Mixture from Japan
Sulfonitric acid is a freshly prepared mixture of concentrated nitric and sulfuric acids used for nitration in explosives and dyes. It qualifies under HTS 2808.00.00 explicitly as 'sulfonitric acids,' treated as a defined inorganic acid blend per the heading.
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
• Ship under UN 1798 as corrosive mixture with dual acid labeling; prohibit storage near organics to prevent reactions; ensure batch certificates confirm fresh preparation to avoid 3824 reclassification