Other
Carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulfonated, nitrated or nitrosated derivatives: > Carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives: > Other: > Other: > Other
Duty Rate (from China)
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Products classified under HTS 2918.19.90.00
Lactic Acid
Lactic acid (2-hydroxypropanoic acid) is a carboxylic acid containing a hydroxyl group, classifying it under HTS 2918.19.90.00 as a carboxylic acid with alcohol function but without other oxygen functions. It is commonly used in food preservation, cosmetics, and biodegradable plastics.
Hydroxyacetic Acid (Glycolic Acid)
Glycolic acid is the smallest alpha-hydroxy acid with both carboxylic and alcohol functions, fitting HTS 2918.19.90.00 criteria. Widely used in skincare exfoliants and chemical peels at concentrations up to 70%.
Tartronic Acid
Tartronic acid (2-hydroxypropanedioic acid) contains both carboxylic acid and alcohol functions without additional oxygen groups, qualifying for 2918.19.90.00. Used in pharmaceutical intermediates and biochemical research.
Glyceric Acid
Glyceric acid features a carboxylic group with adjacent hydroxyl functionality, classified under 2918.19.90.00. Applied in sugar chemistry research and as a chiral building block.
2-Hydroxybutyric Acid
This alpha-hydroxy acid contains the required carboxylic-alcohol structure for 2918.19.90.00 classification. Used in polymer synthesis and metabolic studies.
Mandelic Acid
Mandelic acid (alpha-hydroxyphenylacetic acid) qualifies under 2918.19.90.00 with its alpha-hydroxy carboxylic structure. Common in pharmaceutical synthesis and skincare.
Tropic Acid
Tropic acid serves as key intermediate for anticholinergic pharmaceuticals, featuring the alcohol-carboxylic acid structure of 2918.19.90.00.
Ricinoleic Acid
Ricinoleic acid from castor oil features hydroxy functionality on its 18-carbon chain, classified under 2918.19.90.00. Used in greases, plastics, and cosmetics.
Galactaric Acid (Mucic Acid)
Galactaric acid, derived from galactose oxidation, contains alcohol functions with carboxylic groups, fitting 2918.19.90.00. Used in food additives and chelating agents.
Mevalonic Acid
Mevalonic acid is a key biochemical precursor featuring the hydroxy-carboxylic structure of 2918.19.90.00. Essential for terpenoid and steroid biosynthesis studies.
Citramalic Acid
Citramalic acid (2-hydroxy-2-methylbutanedioic acid) qualifies under 2918.19.90.00 with its alpha-hydroxy functionality. Used in metabolic pathway research.
3-Hydroxypropionic Acid
Beta-hydroxypropionic acid features alcohol function beta to carboxylic acid, classified 2918.19.90.00. Platform chemical for acrylic acid production.
Pantothenic Acid (Free Acid Form)
Pantothenic acid in free acid form (not vitamin salts) contains hydroxy-carboxylic structure for 2918.19.90.00. Vitamin B5 precursor.
Quinic Acid
Quinic acid from plant sources features multiple hydroxyl groups with carboxylic function, qualifying for 2918.19.90.00. Used in caffeine extraction and pharmaceuticals.
Shikimic Acid
Shikimic acid, precursor for Tamiflu synthesis, contains the hydroxy-carboxylic structure of 2918.19.90.00. Extracted from star anise or fermented.