# 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)

> Plain-language tariff reference from the USITC Harmonized Tariff Schedule on [PlainTariff](https://plaintariff.com/).

## Duty rates

- **General (MFN) rate:** Free
- **Special / FTA rate:** No change
- **Column 2 rate:** No change
- **Corpus rank:** #5036 of 5979 among duty-free tariff lines

## Classification path

- **Section XXII:** [Special Classification Provisions](https://plaintariff.com/section/xxii-special-classification-provisions)
- **HTS code:** 9902.08.23

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*Source: U.S. International Trade Commission Harmonized Tariff Schedule. HTML canonical: https://plaintariff.com/heading/99020823-acid-blue-171-sodium-6-amino-n-5-2-2-hydroxy-o-4*