Maleic Acid
Pure maleic acid, the dicarboxylic acid precursor to maleic anhydride, explicitly named in this HTS provision. Used in synthesis of unsaturated polyester resins and as a food additive.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sold with glutaconic acid
Mixtures of specific unsaturated acyclic monocarboxylic acids classified earlier.
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Import Tips & Compliance
• Specify crystal form and purity; impurities may affect classification
• Corrosive—require compatible packaging and spill containment plans
Related Products under HTS 2917.19.27.00
Adipic Acid Derivative (Dibutyl Adipate)
Dibutyl adipate, an ester derivative of adipic acid, used as a plasticizer in cosmetics and coatings. Falls under HTS 2917.19.27.00 as 'other derivatives' of adipic acid per the subheading scope and Chapter 29 ester classification rules.
Dimethyl Succinate
Dimethyl ester of succinic acid derived from maleic anhydride process. Solvent and intermediate in pharmaceuticals and polymers.
Monoisopropyl Maleate
Half-ester of maleic acid with isopropanol, used in reactive diluents for coatings.
Adipic Acid Peroxide
Peroxide derivative of adipic acid used as polymerization initiator.
Tetrabutyl Fumarate
Tetraester of fumaric acid from aromatic sources, plasticizer application.
Succinic Anhydride
Cyclic anhydride from maleic-derived succinic acid, resin intermediate.