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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If considered 1,3-Diphenylurea derivative
Specific provision for simpler diphenylurea precedes this 'other' category.
If classified as aromatic ketone derivative
If carbonyl function considered principal over amide function.
If as anti-dusting preparation
Products with anti-dusting agents per chapter note (g) may shift to mixtures.
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Import Tips & Compliance
• Document flake production process to confirm it doesn't render product suitable for specific use beyond transport
• Melting point verification (around 80°C) helps distinguish from similar melting ureas
• Customs may require solubility tests in organic solvents to confirm identity
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.
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.
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.