Succinimide
Succinimide is a five-membered cyclic imide derived from succinic anhydride, a simple aliphatic carboxyimide-function compound. Classified under HTS 2925.19.91.00 as an 'other' imide not specifically provided for in prior subheadings. Used in synthesis of pharmaceuticals like ethosuximide and as a reagent in organic chemistry.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sold as nucleic acid synthesis intermediate
Certain imide derivatives used principally as hormone intermediates shift to 2937, but succinimide's general use stays in 2925.
If derivative is sulfonated
Sulfonated imide derivatives classify under earlier sulfonic acid derivatives per chapter note 4.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Include REACH or TSCA certification if destined for US manufacturing to prove regulatory compliance
• Verify no sugar imide contamination; mislabeling leads to reclassification under 2925.19.30
• Use temperature-controlled shipping (<40°C) as succinimide is hygroscopic; document to prevent decomposition claims
Related Products under HTS 2925.19.91.00
Phthalimide
Phthalimide is a cyclic imide derived from phthalic anhydride, featuring a five-membered imide ring fused to a benzene ring. It falls under HTS 2925.19.91.00 as a carboxyimide-function compound (imide) and its derivative, not specifically named elsewhere in heading 2925. Commonly used as an intermediate in organic synthesis for pharmaceuticals and agrochemicals.
Glutarimide
Glutarimide is a six-membered cyclic imide derived from glutaric acid, a carboxyimide-function compound. Falls under HTS 2925.19.91.00 as 'other' imides; used in production of pharmaceuticals like thalidomide analogs and as a corrosion inhibitor.
Maleimide
Maleimide is an unsaturated five-membered cyclic imide with a reactive double bond, used in polymer chemistry and bioconjugation. Classified in HTS 2925.19.91.00 as a derivative imide; the imide function determines classification over unsaturation.
N-Phenylmaleimide
N-Phenylmaleimide is an N-substituted derivative of maleimide with a phenyl group on nitrogen, used in high-performance polymer synthesis. HTS 2925.19.91.00 covers this substituted imide as 'other' derivatives; aryl substitution doesn't change heading.
Diphenylmaleimide
Diphenylmaleimide features two phenyl groups on the imide nitrogen, used in specialty resins and electronics. As a substituted cyclic imide derivative, it properly classifies under HTS 2925.19.91.00 'other' imides.
Benzylisatin
Benzylisatin is an indole derivative containing an imide functionality, used in synthesis of pharmaceuticals and dyes. The dominant imide function places it under HTS 2925.19.91.00 as 'other' imide derivatives.