Uvinul D-49 Stabilizer
Commercial product Uvinul D-49 contains sym-diethyldiphenylurea as active ingredient, used as light stabilizer in plastics. Classified under HTS 2924.21.18.00 when imported as pure chemical, per chapter notes for chemically defined compounds.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If blended with other polymer additives
Mixtures of polymer stabilizers containing this compound classified as rubber/plastic additives.
If imported as prepared laboratory reagent
Chemical products put up in forms for laboratory use shift to Chapter 38.
If for polymer production use
If considered monomer for polyethylene manufacture rather than stabilizer.
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Import Tips & Compliance
• Provide supplier specification sheet confirming chemical identity matches HTS description
• EPA registration may be required if used in pesticide formulations; check FIFRA requirements
• Avoid bulk packaging over 25kg drums which may trigger additional hazmat shipping costs
Related Products under HTS 2924.21.18.00
sym-Diethyldiphenylurea
sym-Diethyldiphenylurea is a specific aromatic ureine derivative classified under HTS 2924.21.18.00 as a cyclic amide-function compound of carbonic acid. It appears as a white to off-white crystalline powder primarily used as a chemical intermediate in organic synthesis.
Diethylcarbamoyl Diphenylamine
Also known as diethylcarbamoyl diphenylamine, this is the systematic name for sym-diethyldiphenylurea under HTS 2924.21.18.00. It's a key reagent in dye manufacturing and polymer chemistry, fitting the chapter's definition for chemically defined aromatic ureines.
sym-Diethyldiphenylurea Flake Form
sym-Diethyldiphenylurea in flake physical form for easier handling in industrial processes, still classified under HTS 2924.21.18.00. Meets chapter note (f) for products with added stabilizers necessary for transport.
sym-Diethyldiphenylurea Technical Grade
Technical grade sym-diethyldiphenylurea (95-98% purity) is an aromatic ureine used in pharmaceutical intermediate production, classified under HTS 2924.21.18.00 due to its specific chemical structure as a di-substituted diphenylurea derivative.