# United States tariff line 3204.13.45.00: 3,7-Bis(dimethylamino) phenazathionium chloride (Methylene blue); and Basic blue 147

> In the United States tariff, line 3204.13.45.00 covers synthetic organic coloring matter and preparations based thereon as specified in note 3 to this chapter, basic dyes and preparations based thereon, 3,7-Bis(dimethylamino) phenazathionium chloride (Methylene blue); and Basic blue 147. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 3204.13 in heading 32.04 (chapter 32).

Source: https://border.bot/countries/united-states/hs-codes/3204134500
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 32](https://border.bot/countries/united-states/hs-codes/32) / [3204.13](https://border.bot/countries/united-states/hs-codes/320413) / [3204.13.45.00](https://border.bot/countries/united-states/hs-codes/3204134500)

## Key facts

- Tariff line: 3204.13.45.00
- Covers: Synthetic organic coloring matter and preparations based thereon as specified in note 3 to this chapter, basic dyes and preparations based thereon, 3,7-Bis(dimethylamino) phenazathionium chloride (Methylene blue); and Basic blue 147
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [3204.13](https://border.bot/hs-codes/320413)

## What this line covers

In the United States tariff, line 3204.13.45.00 covers synthetic organic coloring matter and preparations based thereon as specified in note 3 to this chapter, basic dyes and preparations based thereon, 3,7-Bis(dimethylamino) phenazathionium chloride (Methylene blue); and Basic blue 147.

Its legal text is “3,7-Bis(dimethylamino) phenazathionium chloride (Methylene blue); and Basic blue 147”, read under “Synthetic organic coloring matter and preparations based thereon as specified in note 3 to this chapter” and “Basic dyes and preparations based thereon”.

## How it is structured

It falls under HS subheading 3204.13 in heading 32.04 (chapter 32). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 32: Tanning or dyeing extracts; tannins and their derivatives; dyes, pigments and other colouring matter; paints and varnishes; putty and other mastics; inks
- Heading 32.04: Synthetic organic coloring matter, whether or not chemically defined; preparations as specified in note 3 to this chapter based on synthetic organic coloring matter; synthetic organic products of a kind used as fluorescent brightening agents or as luminophores, whether or not chemically defined
- Subheading 3204.13: Synthetic organic coloring matter and preparations based thereon as specified in note 3 to this chapter
- Within the subheading: Basic dyes and preparations based thereon
- Line 3204.13.45.00: 3,7-Bis(dimethylamino) phenazathionium chloride (Methylene blue); and Basic blue 147

## Duty

Goods under this line enter free of general (MFN) duty.

## In other countries

No other national tariff on border.bot has live lines under 3204.13 yet.

- [The Harmonized System text for 3204.13](https://border.bot/hs-codes/320413)

## Other lines under 3204.13

- [3204.13.10.00](https://border.bot/countries/united-states/hs-codes/3204131000) Basic black 7; Basic blue 41, 45, 48, 55, 62, 66, 70, 71, 78, 80, 81, 120, 141; Basic green 6, 8; Basic orange 30, 35, 36, 37, 43, 44, 48; Basic red 22, 23, 28, 29, 43, 44, 46, 58, 75, 100; Basic violet 2, 22, 25, 37, 38; and Basic yellow 19, 23, 24, 25, 39, 40, 45, 54, 56, 63, 70, 77
- [3204.13.20.00](https://border.bot/countries/united-states/hs-codes/3204132000) Basic orange 22 and Basic red 13
- [3204.13.25.00](https://border.bot/countries/united-states/hs-codes/3204132500) Basic blue 3; Basic red 14; and Basic yellow 1, 11, 13
- [3204.13.60.00](https://border.bot/countries/united-states/hs-codes/3204136000) Products described in additional U.S. note 3 to section VI
- [3204.13.80.00](https://border.bot/countries/united-states/hs-codes/3204138000) Other

- Previous line: [3204.13.25.00](https://border.bot/countries/united-states/hs-codes/3204132500) Basic blue 3; Basic red 14; and Basic yellow 1, 11, 13
- Next line: [3204.13.60.00](https://border.bot/countries/united-states/hs-codes/3204136000) Products described in additional U.S. note 3 to section VI

## Frequently asked questions

### What does tariff line 3204.13.45.00 cover in the United States tariff?

In the United States tariff, line 3204.13.45.00 covers synthetic organic coloring matter and preparations based thereon as specified in note 3 to this chapter, basic dyes and preparations based thereon, 3,7-Bis(dimethylamino) phenazathionium chloride (Methylene blue); and Basic blue 147.

### What is the general (MFN) duty on 3204.13.45.00 in the United States?

Goods under this line enter free of general (MFN) duty.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/3204134500.json