High-Purity Maleic Anhydride Molten Residue
Maleic anhydride recovered from distillation bottoms, purified to 99% for industrial use, HTS 2917.14.5000 'other'. Chemically defined per Chapter 29 despite process origin.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If <95% purity residual wastes
Chemical residues below purity threshold classify as waste.
If further refined to standard commercial grade
Meets primary subheading after additional processing.
If petroleum distillation co-product
Petroleum oils containing chemicals may remain Chapter 27.
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Import Tips & Compliance
• GC purity assay (>99%) essential to distinguish from waste (Chapter 38/39)
• Origin certificate important due to potential anti-dumping on Chinese material
• Specify 'fit for resin use' to avoid commodity grade misclassification
Related Products under HTS 2917.14.50.00
Maleic Anhydride Flakes
Maleic anhydride in flake form, a white crystalline solid derived from oxidation of butene, classified under HTS 2917.14.5000 as an acyclic polycarboxylic acid anhydride. Used primarily as a chemical intermediate for resins and coatings, meeting Chapter 29 note requirements for separate chemically defined organic compounds.
Industrial Maleic Anhydride Briquettes
Compressed maleic anhydride briquettes for bulk industrial handling, an acyclic dicarboxylic acid anhydride under HTS 2917.14.5000. Primarily used in unsaturated polyester resin manufacturing, qualifying as a separate chemically defined compound per Chapter 29.
Purified Maleic Anhydride Pellets
High-purity maleic anhydride pellets (>99.5%) for pharmaceutical intermediate synthesis, classified in HTS 2917.14.5000 as 'other' acyclic polycarboxylic anhydride. Meets Chapter 29 criteria for chemically defined compounds without excluded additives.
Technical Grade Maleic Anhydride Powder
Technical grade maleic anhydride powder (98-99% purity) for agricultural chemical synthesis, under HTS 2917.14.5000 as other maleic anhydride forms. Qualifies as separate organic compound per Chapter 29 note (a), excluding mixtures.
Maleic Anhydride with Stabilizer Additive
Maleic anhydride containing <0.05% polymerization inhibitor (hydroquinone) for transport stability, classified HTS 2917.14.5000 per Chapter 29 note (f). Remains chemically defined acyclic anhydride for resin production.
Brittle Maleic Anhydride Lumps
Solid maleic anhydride in brittle lump form from cooled molten material, HTS 2917.14.5000 'other' classification for acyclic polycarboxylic anhydrides. Used in paper sizing chemical manufacture.