Pseudocumene Route Fumaric Acid
Fumaric acid manufactured via pseudocumene (1,2,4-trimethylbenzene) selective oxidation technology. Advanced aromatic hydrocarbon derivation for electronic grade resins. Precise 2917.19.1500 classification per acyclic structure and chapter notes.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If trimellitic anhydride primary
Three carboxylic acid function classified separately.
If with heterocyclic impurities
Heterocyclic compounds take precedence over acyclic acids.
If tar distillation intermediates
Coal tar distillation products remain chapter 38.
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Import Tips & Compliance
• Submit pseudocumene feedstock specification sheets to CBP
• Confirm <1 ppb metal impurities for electronics applications
• Use ISO 17025 accredited lab analysis for tariff verification
Related Products under HTS 2917.19.15.00
Aromatic-Derived Fumaric Acid
Fumaric acid produced through chemical processes involving aromatic hydrocarbons like benzene or toluene derivatives, used primarily in resins and polymer production. Classified under HTS 2917.19.1500 as an acyclic polycarboxylic acid derived in whole or part from aromatic hydrocarbons. Meets chapter 29 requirements for chemically defined organic compounds with specified oxygen functions.
Phthalic Anhydride Fumaric Coproduct
Fumaric acid obtained as byproduct from phthalic anhydride production via aromatic hydrocarbon oxidation processes. Falls under 2917.19.1500 due to aromatic derivation and acyclic polycarboxylic acid structure. Used in unsaturated polyester resins and food acidulant applications.
Xylene Oxidation Fumaric Acid
Fumaric acid synthesized via partial oxidation of mixed xylenes (aromatic hydrocarbons), purified for industrial use in alkyd resins. HTS 2917.19.1500 classification reflects aromatic derivation and acyclic nature per chapter 29 definitions. Excludes cyclic aromatic acids like phthalic.
Toluene-Derived Trans-Butenedioic Acid
High-purity trans-butenedioic acid (fumaric acid) from toluene oxidation processes, used in beverage acidulation and bioplastics. Derived from aromatic hydrocarbons qualifying for 2917.19.1500. Meets chemical purity standards of chapter 29 note (a).
Benzene Process Fumaric Acid
Fumaric acid isolated from benzene partial oxidation routes, primarily for unsaturated polyester resin manufacture. Aromatic hydrocarbon derivation confirmed by carbon isotope analysis. Classified 2917.19.1500 excluding cyclic byproducts like maleic anhydride.
Mixed Aromatics Fumaric Acid
Fumaric acid from coker light oil (mixed aromatics) processing, used in paper sizing and food preservation. HTS 2917.19.1500 applies due to partial aromatic hydrocarbon derivation meeting chapter specificity. Exceeds 99% purity for technical grade.