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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pre-formulated for use as fluorescent brightener
Synthetic organic products used as luminophores fall under Chapter 32 coloring matters.
If classified by polycarboxylic acid function
If amide considered derivative of aromatic polycarboxylic acids rather than carbonic acid.
If as salt form of the ureine
Organic compounds containing both oxygen and nitrogen functions have separate heading.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Use IUPAC name on commercial invoice to match exact HTS description and avoid 'other' categorization
• Comply with TSCA pre-manufacture notification if first import for US commercial use
• Watch for anti-dumping duties if sourced from specific countries; check Commerce Department listings
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.
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 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.