# HTS 3204.13.45.00: 3,7-Bis(dimethylamino) phenazathionium chloride (Methylene blue); and Basic blue 147

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

## Duty rates

- **General (MFN) rate:** Free
- **Column 2 rate:** 71.7%
- **Corpus rank:** #1211 of 5979 among duty-free tariff lines

## Classification path

- **Section VI:** [Products of the Chemical or Allied Industries](https://plaintariff.com/section/vi-products-of-the-chemical-or-allied-industries)
- **Chapter 32:** [Tanning or dyeing extracts; tannins and their derivatives; dyes, pigments and other colouring matter; paints and varnishes; putty and other mastics; inks](https://plaintariff.com/chapter/chapter-32-tanning-or-dyeing-extracts-tannins-and-their-derivatives-dyes)
- **HTS code:** 3204.13.45.00

## Related tools

- [Tariff calculator](https://plaintariff.com/tools/tariff-calculator)
- [Search HTS codes](https://plaintariff.com/search)
- [Methodology & sources](https://plaintariff.com/methodology)

---

*Source: U.S. International Trade Commission Harmonized Tariff Schedule. HTML canonical: https://plaintariff.com/heading/3204134500-37-bisdimethylamino-phenazathionium-chloride-methylene-b*