# United States tariff line 3707.90.31.00: Acid violet 19

> In the United States tariff, line 3707.90.31.00 covers chemical preparations for photographic uses, acid violet 19. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 3707.90 in heading 37.07 (chapter 37).

Source: https://border.bot/countries/united-states/hs-codes/3707903100
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 37](https://border.bot/countries/united-states/hs-codes/37) / [3707.90](https://border.bot/countries/united-states/hs-codes/370790) / [3707.90.31.00](https://border.bot/countries/united-states/hs-codes/3707903100)

## Key facts

- Tariff line: 3707.90.31.00
- Covers: Chemical preparations for photographic uses, acid violet 19
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [3707.90](https://border.bot/hs-codes/370790)

## What this line covers

In the United States tariff, line 3707.90.31.00 covers chemical preparations for photographic uses, acid violet 19.

Its legal text is “Acid violet 19”, read under “Other” and “Chemical preparations for photographic uses”.

## How it is structured

It falls under HS subheading 3707.90 in heading 37.07 (chapter 37). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 37: Photographic or cinematographic goods
- Heading 37.07: Chemical preparations for photographic uses (other than varnishes, glues, adhesives and similar preparations); unmixed products for photographic uses, put up in measured portions or put up for retail sale in a form ready for use
- Subheading 3707.90: Other
- Within the subheading: Chemical preparations for photographic uses
- Line 3707.90.31.00: Acid violet 19

## 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 3707.90 yet.

- [The Harmonized System text for 3707.90](https://border.bot/hs-codes/370790)

## Other lines under 3707.90

- [3707.90.32.10](https://border.bot/countries/united-states/hs-codes/3707903210) Unsensitized emulsions, for use in color negative photographic paper
- [3707.90.32.20](https://border.bot/countries/united-states/hs-codes/3707903220) Couplers, for use in color negative photographic paper
- [3707.90.32.30](https://border.bot/countries/united-states/hs-codes/3707903230) Coupler dispersions, for use in color negative photographic paper
- [3707.90.32.90](https://border.bot/countries/united-states/hs-codes/3707903290) Other
- [3707.90.60.00](https://border.bot/countries/united-states/hs-codes/3707906000) Unmixed products for photographic uses, put up in measured portions or put up for retail sale in a form ready for use

- Previous line: [3707.10.00.90](https://border.bot/countries/united-states/hs-codes/3707100090) Other
- Next line: [3707.90.32.10](https://border.bot/countries/united-states/hs-codes/3707903210) Unsensitized emulsions, for use in color negative photographic paper

## Frequently asked questions

### What does tariff line 3707.90.31.00 cover in the United States tariff?

In the United States tariff, line 3707.90.31.00 covers chemical preparations for photographic uses, acid violet 19.

### What is the general (MFN) duty on 3707.90.31.00 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/3707903100.json