N-Bromosuccinimide (NBS)
N-Bromosuccinimide is an aromatic brominated imide widely used as a brominating and oxidizing reagent in organic synthesis. HTS 2925.19.42.00 covers this as an 'other' aromatic imide derivative. Bromine substitution permitted per Chapter 29 notes on derivatives.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified primarily as brominating agent preparation
Heterocyclic compounds with nitrogen classified later; end-use may trigger reclassification
If for hypobromite/bromate preparations
Inorganic brominating compounds classified in Chapter 28 take precedence
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Import Tips & Compliance
• Hazard class 5.1 oxidizer documentation required; stability testing certificate essential; separate from reducing agents in shipping to avoid reactions
Related Products under HTS 2925.19.42.00
Phthalimide
Phthalimide is an aromatic cyclic imide derived from phthalic anhydride, used primarily as an intermediate in organic synthesis for pharmaceuticals and agrochemicals. It falls under HTS 2925.19.42.00 as an aromatic imide compound other than saccharin. This chemically defined organic compound conforms to Chapter 29 note (a) for separate organic compounds.
N-Phthalyl-L-Glutamic Anhydride
This aromatic imide derivative serves as a key intermediate in peptide synthesis and pharmaceutical production. Classified under HTS 2925.19.42.00 as an aromatic imide other than saccharin. Its carboxyimide-function structure matches Chapter 29 heading 2925 requirements.
4-Nitrophthalimide
A nitro-substituted aromatic imide used in dye synthesis and as a pharmaceutical intermediate. Falls under HTS 2925.19.42.00 as an aromatic imide derivative (nitro group permitted per Chapter notes). Chemically defined per Chapter 29 note (a).
Succinimide
Succinimide is a five-membered ring aromatic imide used in pharmaceutical synthesis and as a polymer modifier. Classified in HTS 2925.19.42.00 as 'other' aromatic imide. Its cyclic imide structure qualifies under heading 2925 per Chapter 29 definitions.
Maleimide
Maleimide is an α,β-unsaturated aromatic imide used in polymer chemistry and pharmaceutical conjugation reactions. Falls under HTS 2925.19.42.00 as aromatic imide 'other'. Unsaturated imide function clearly within heading 2925 scope.
Glutarimide
Glutarimide is a six-membered ring aromatic imide used in pharmaceutical intermediates and as a hypnotic drug precursor. Classified HTS 2925.19.42.00 as aromatic imide other than saccharin. Chemically defined cyclic imide per Chapter 29.