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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not specifically identified as sym-diethyldiphenylurea
Other aromatic ureines and derivatives fall under the residual 'Other' subheading within the same ureines category.
If imported as a formulated mixture with solvents or stabilizers
Chemical preparations containing this compound as a minor component are classified as mixtures in Chapter 38 rather than pure compounds.
If classified primarily by its diphenyl ether structure
Aromatic ethers with temporary amide substituents might be considered under cyclic hydrocarbons if amide function is not principal.
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
• Provide detailed chemical analysis and CAS number (90-43-7) to confirm identity as sym-diethyldiphenylurea for proper classification
• Ensure packaging complies with UN regulations for organic chemicals; include Material Safety Data Sheet (MSDS) with shipment
• Verify purity levels (>98%) to avoid reclassification as impure mixtures under Chapter 28 note exclusions
Related Products under HTS 2924.21.18.00
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 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.