# United States tariff lines under HS 2922.19

> The United States tariff splits HS 2922.19 (amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof: Other) into 10 national lines: 2922.19.09.10 (diphenhydramine (INN) and its salts), 2922.19.09.90 (other), 2922.19.20.00 (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), 2922.19.33.00 (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) and 6 others.

Source: https://border.bot/countries/united-states/hs-codes/292219
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)

## Key facts

- HS subheading: [2922.19](https://border.bot/hs-codes/292219)
- National lines: 10
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 29: Organic chemicals

## United States lines under 2922.19

The United States tariff splits HS 2922.19 (amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof: Other) into 10 national lines: 2922.19.09.10 (diphenhydramine (INN) and its salts), 2922.19.09.90 (other), 2922.19.20.00 (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), 2922.19.33.00 (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) and 6 others.

- [2922.19.09.10](https://border.bot/countries/united-states/hs-codes/2922190910) Amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof, Other, Aromatic, Drugs, Diphenhydramine (INN) and its salts. Duty (MFN): 6.5%
- [2922.19.09.90](https://border.bot/countries/united-states/hs-codes/2922190990) Amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof, Other, Aromatic, Drugs, Other. Duty (MFN): 6.5%
- [2922.19.20.00](https://border.bot/countries/united-states/hs-codes/2922192000) Amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof, Other, Aromatic, Other, 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. Duty (MFN): 5.8%
- [2922.19.33.00](https://border.bot/countries/united-states/hs-codes/2922193300) Amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof, Other, Aromatic, Other, 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
- [2922.19.60.00](https://border.bot/countries/united-states/hs-codes/2922196000) Amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof, Other, Aromatic, Other, Other, Products described in additional U.S. note 3 to section VI. Duty (MFN): 6.5%
- [2922.19.70.00](https://border.bot/countries/united-states/hs-codes/2922197000) Amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof, Other, Aromatic, Other, Other, Other. Duty (MFN): 6.5%
- [2922.19.90.00](https://border.bot/countries/united-states/hs-codes/2922199000) Amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof, Other, Other, Salts of triethanolamine. Duty (MFN): 6.5%
- [2922.19.96.10](https://border.bot/countries/united-states/hs-codes/2922199610) Amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof, Other, Other, Other, N,N-(Dialkyl (methyl, ethyl, n-propyl or isopropyl)-2-aminoethanols and their protonated salts, N,N-Dimethyl-2-aminoethanol, N,N-diethyl-2-aminoethanol and their protonated salts. Duty (MFN): 6.5%
- [2922.19.96.19](https://border.bot/countries/united-states/hs-codes/2922199619) Amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof, Other, Other, Other, N,N-(Dialkyl (methyl, ethyl, n-propyl or isopropyl)-2-aminoethanols and their protonated salts, Other. Duty (MFN): 6.5%
- [2922.19.96.90](https://border.bot/countries/united-states/hs-codes/2922199690) Amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof, Other, Other, Other, Other. Duty (MFN): 6.5%

## 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)

- Previous subheading: [2922.18](https://border.bot/countries/united-states/hs-codes/292218) Oxygen-function amino-compounds
- Next subheading: [2922.21](https://border.bot/countries/united-states/hs-codes/292221) Aminohydroxynaphthalenesulfonic acids and their salts

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 2922.19?

The United States tariff splits HS 2922.19 (amino-alcohols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof: Other) into 10 national lines: 2922.19.09.10 (diphenhydramine (INN) and its salts), 2922.19.09.90 (other), 2922.19.20.00 (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), 2922.19.33.00 (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) and 6 others.

## 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/292219.json