2922.49.49.50
Oxygen-function amino-compounds / Amino acids / Other
Classification path
- Oxygen-function amino-compounds
- Amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof
- Other
- Other
- Amino acids
- Other amino acids
- Other
Rates of duty
- General (MFN)
- 4.2%
- Column 2Cuba, North Korea, Russia, Belarus
- 25%
- Unit of quantity
- kg
Trade agreement rates
Related lines in heading 2922
- 2922.11.00.00Monoethanolamine and its salts6.5%
- 2922.12.00.01Oxygen-function amino-compounds / Diethanolamine and its salts6.5%
- 2922.14.00.00Dextropropoxyphene (INN) and its saltsFree
- 2922.15.00.00Oxygen-function amino-compounds / Triethanolamine6.5%
- 2922.16.00.00Diethylammonium perfluorooctane sulfonate6.5%
- 2922.17.00.00Methyldiethanolamine and ethyldiethanolamine6.5%
- 2922.18.00.002-(N,N-Diisopropylamino)ethanol6.5%
- 2922.19.09.10Diphenhydramine (INN) and its salts6.5%
- 2922.19.09.90Oxygen-function amino-compounds / Aromatic / Drugs / Other6.5%
- 2922.19.20.004,4'-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- propanediol5.8%
- 2922.19.33.00N1-(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- phenylenediamineFree
- 2922.19.60.00Products described in additional U.S. note 3 to section VI6.5%
About heading 2922
Oxygen-function amino-compounds
Heading 2922 covers oxygen-function amino-compounds: molecules that carry an amine group plus at least one other oxygen function, such as an alcohol, phenol, aldehyde, ketone or carboxylic acid, including their salts and esters. It is split by the type of oxygen function present: amino-alcohols (2922.11 to 2922.19), amino-naphthols and amino-phenols (2922.21 to 2922.29), amino-aldehydes, amino-ketones and amino-quinones (2922.31 to 2922.39), amino-acids (2922.41 to 2922.49), and mixed amino-alcohol-phenols and amino-acid-phenols (2922.50). Within each group the lines run from individually named compounds down to residual Other lines, with drugs, photographic chemicals and fast color bases broken out separately.
Full guide to heading 2922Products in this heading
- Monosodium glutamate (flavor enhancer)
- Lysine and its salts (feed and supplement grade)
- Glycine
- Phenylephrine hydrochloride (decongestant)
- Diphenhydramine and its salts (antihistamine)
- Triethanolamine (pH adjuster and surfactant raw material)
- Monoethanolamine and diethanolamine
- Anthranilic acid and methyl anthranilate
Frequently asked questions
What is the HTS code for monosodium glutamate?
Monosodium glutamate is classified under 2922.42.10.00, with a general (MFN) rate of 6.5%. Other glutamic acid and its salts fall under 2922.42.50.00 at 3.7%.
What is the duty on lysine imported for feed or supplements?
Lysine and its esters and salts are classified under 2922.41.00.10 when meeting Food Chemical Codex, Codex Alimentarius or United States Pharmacopeia requirements, at a general (MFN) rate of 3.7%. Other lysine falls under 2922.41.00.90, also at 3.7%.
How do I classify diphenhydramine?
Diphenhydramine (INN) and its salts are named in 2922.19.09.10, an amino-alcohol line for aromatic drugs, at a general (MFN) rate of 6.5%. Other aromatic drug amino-alcohols go under 2922.19.09.90 at the same rate.
Source: USITC Harmonized Tariff Schedule, retrieved October 21, 2026.