Tariff reference › Chapter 99 › 9902.08.23
HTS 9902.08.23 — Acid Blue 171 (Sodium [6-(amino-κN)-5-[2-[2-(hydroxy-κO)-4- nitrophenyl]diazenyl-κN1]-N-methyl-2-naphthalenesul- fonamidato(2-)][6-(amino-κN)-5-[2-[2-(hydroxy-κO)-4-nitro- phenyl]diazenyl-κN1]-2-naphthalenesulfonato(3-)]-Cobaltate(2-) (1:2) (1:2)) (CAS No. 75314-27-1) (provided for in subheading 3204.12.45)
The current US import duty for Acid Blue 171 (Sodium [6-(amino-κN)-5-[2-[2-(hydroxy-κO)-4- nitrophenyl]diazenyl-κN1]-N-methyl-2-naphthalenesul- fonamidato(2-)][6-(amino-κN)-5-[2-[2-(hydroxy-κO)-4-nitro- phenyl]diazenyl-κN1]-2-naphthalenesulfonato(3-)]-Cobaltate(2-) (1:2) (1:2)) (CAS No. 75314-27-1) (provided for in subheading 3204.12.45) (HTS 9902.08.23) — the base rate, any Section 301/232/122 surcharge that applies, and what's changed recently.
Acid Blue 171 (Sodium [6-(amino-κN)-5-[2-[2-(hydroxy-κO)-4- nitrophenyl]diazenyl-κN1]-N-methyl-2-naphthalenesul- fonamidato(2-)][6-(amino-κN)-5-[2-[2-(hydroxy-κO)-4-nitro- phenyl]diazenyl-κN1]-2-naphthalenesulfonato(3-)]-Cobaltate(2-) (1:2) (1:2)) (CAS No. 75314-27-1) (provided for in subheading 3204.12.45)
Current US duty rate
| Column 1 (General / MFN) | Free |
|---|---|
| Special (FTA programs) | No change |
| Column 2 (other) | No change |
No Chapter 99 (Section 301/232/122) cross-reference on this line; origin-specific surcharges may still apply — check the calculator.
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Programmatic access: the full duty stack (base + surcharges + MPF/HMF for a given origin & value) is at /duty?code=9902.08.23&origin=&value=. Current as of USITC 2026HTSRev13 (synced 2026-07-29).