# United States tariff line 2922.19.33.00: N1-(2-Hydroxyethyl)-2-nitro-1,4- phenylenediamine;N1,N4,N4- Tris(2-hydroxyethyl)-2- nitro-1,4- phenylenediamine;N1,N4-Dimethyl-N1- (2-hydroxyethyl)-3-nitro-1,4- phenylene- diamine;N1,N4-Dimethyl-N1-(2,3-dihydroxy- propyl)-3-nitro-1,4- phenylenediamine; andN1-(2-Hydroxyethyl)-3-nitro-1,4- phenylenediamine

> In the United States tariff, line 2922.19.33.00 covers amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof, aromatic, N1-(2-Hydroxyethyl)-2-nitro-1,4- phenylenediamine;N1,N4,N4- Tris(2-hydroxyethyl)-2- nitro-1,4- phenylenediamine;N1,N4-Dimethyl-N1- (2-hydroxyethyl)-3-nitro-1,4- phenylene- diamine;N1,N4-Dimethyl-N1-(2,3-dihydroxy- propyl)-3-nitro-1,4- phenylenediamine; andN1-(2-Hydroxyethyl)-3-nitro-1,4- phenylenediamine. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 2922.19 in heading 29.22 (chapter 29).

Source: https://border.bot/countries/united-states/hs-codes/2922193300
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 29](https://border.bot/countries/united-states/hs-codes/29) / [2922.19](https://border.bot/countries/united-states/hs-codes/292219) / [2922.19.33.00](https://border.bot/countries/united-states/hs-codes/2922193300)

## Key facts

- Tariff line: 2922.19.33.00
- Covers: Amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof, aromatic, N1-(2-Hydroxyethyl)-2-nitro-1,4- phenylenediamine;N1,N4,N4- Tris(2-hydroxyethyl)-2- nitro-1,4- phenylenediamine;N1,N4-Dimethyl-N1- (2-hydroxyethyl)-3-nitro-1,4- phenylene- diamine;N1,N4-Dimethyl-N1-(2,3-dihydroxy- propyl)-3-nitro-1,4- phenylenediamine; andN1-(2-Hydroxyethyl)-3-nitro-1,4- phenylenediamine
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [2922.19](https://border.bot/hs-codes/292219)

## What this line covers

In the United States tariff, line 2922.19.33.00 covers amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof, aromatic, N1-(2-Hydroxyethyl)-2-nitro-1,4- phenylenediamine;N1,N4,N4- Tris(2-hydroxyethyl)-2- nitro-1,4- phenylenediamine;N1,N4-Dimethyl-N1- (2-hydroxyethyl)-3-nitro-1,4- phenylene- diamine;N1,N4-Dimethyl-N1-(2,3-dihydroxy- propyl)-3-nitro-1,4- phenylenediamine; andN1-(2-Hydroxyethyl)-3-nitro-1,4- phenylenediamine.

Its legal text is “N1-(2-Hydroxyethyl)-2-nitro-1,4- phenylenediamine;N1,N4,N4- Tris(2-hydroxyethyl)-2- nitro-1,4- phenylenediamine;N1,N4-Dimethyl-N1- (2-hydroxyethyl)-3-nitro-1,4- phenylene- diamine;N1,N4-Dimethyl-N1-(2,3-dihydroxy- propyl)-3-nitro-1,4- phenylenediamine; andN1-(2-Hydroxyethyl)-3-nitro-1,4- phenylenediamine”, read under “Amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof”, “Other”, “Aromatic” and “Other”.

## How it is structured

It falls under HS subheading 2922.19 in heading 29.22 (chapter 29). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 29: Organic chemicals
- Heading 29.22: Oxygen-function amino-compounds
- Subheading 2922.19: Amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof
- Within the subheading: Other
- Within the subheading: Aromatic
- Within the subheading: Other
- Line 2922.19.33.00: N1-(2-Hydroxyethyl)-2-nitro-1,4- phenylenediamine;N1,N4,N4- Tris(2-hydroxyethyl)-2- nitro-1,4- phenylenediamine;N1,N4-Dimethyl-N1- (2-hydroxyethyl)-3-nitro-1,4- phenylene- diamine;N1,N4-Dimethyl-N1-(2,3-dihydroxy- propyl)-3-nitro-1,4- phenylenediamine; andN1-(2-Hydroxyethyl)-3-nitro-1,4- phenylenediamine

## 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 2922.19 yet.

- [The Harmonized System text for 2922.19](https://border.bot/hs-codes/292219)

## Other lines under 2922.19

- [2922.19.09.10](https://border.bot/countries/united-states/hs-codes/2922190910) Diphenhydramine (INN) and its salts
- [2922.19.09.90](https://border.bot/countries/united-states/hs-codes/2922190990) Other
- [2922.19.20.00](https://border.bot/countries/united-states/hs-codes/2922192000) 4,4'-Bis(dimethylamino) benzhydrol (Michler's hydrol); 5'-[3'-(Dimethylamino) propyl]-10',11'- dihydro-5H'-dibenzo [a,b] cyclohept- en-5'-ol (Dibenzcarbinol); and 1-(p-Nitrophenyl)-2-amino-1,3- propanediol
- [2922.19.60.00](https://border.bot/countries/united-states/hs-codes/2922196000) Products described in additional U.S. note 3 to section VI
- [2922.19.70.00](https://border.bot/countries/united-states/hs-codes/2922197000) Other
- [2922.19.90.00](https://border.bot/countries/united-states/hs-codes/2922199000) Salts of triethanolamine
- [2922.19.96.10](https://border.bot/countries/united-states/hs-codes/2922199610) N,N-Dimethyl-2-aminoethanol, N,N-diethyl-2-aminoethanol and their protonated salts
- [2922.19.96.19](https://border.bot/countries/united-states/hs-codes/2922199619) Other
- [2922.19.96.90](https://border.bot/countries/united-states/hs-codes/2922199690) Other

- Previous line: [2922.19.20.00](https://border.bot/countries/united-states/hs-codes/2922192000) 4,4'-Bis(dimethylamino) benzhydrol (Michler's hydrol); 5'-[3'-(Dimethylamino) propyl]-10',11'- dihydro-5H'-dibenzo [a,b] cyclohept- en-5'-ol (Dibenzcarbinol); and 1-(p-Nitrophenyl)-2-amino-1,3- propanediol
- Next line: [2922.19.60.00](https://border.bot/countries/united-states/hs-codes/2922196000) Products described in additional U.S. note 3 to section VI

## Frequently asked questions

### What does tariff line 2922.19.33.00 cover in the United States tariff?

In the United States tariff, line 2922.19.33.00 covers amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof, aromatic, N1-(2-Hydroxyethyl)-2-nitro-1,4- phenylenediamine;N1,N4,N4- Tris(2-hydroxyethyl)-2- nitro-1,4- phenylenediamine;N1,N4-Dimethyl-N1- (2-hydroxyethyl)-3-nitro-1,4- phenylene- diamine;N1,N4-Dimethyl-N1-(2,3-dihydroxy- propyl)-3-nitro-1,4- phenylenediamine; andN1-(2-Hydroxyethyl)-3-nitro-1,4- phenylenediamine.

### What is the general (MFN) duty on 2922.19.33.00 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/2922193300.json