Piperidine
Piperidine is a saturated six-membered heterocyclic amine with the formula C5H10NH, containing a nitrogen hetero-atom in the ring structure. This chemically defined organic compound falls under HTS 2933.32.10.00 as it is specifically listed as piperidine, a hydrogenated pyridine derivative.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing a piperidine ring but substituted
Substituted piperidines fall under other piperidine provisions rather than pure piperidine.
If imported as cyclic organic amine mixture for specific industrial use
Certain cyclic amines may be classified under Chapter 29 amine headings if not specifically piperidine.
If diluted in solvent beyond transport allowances
Solutions exceeding Chapter 29 solvent exceptions become mixtures of chemicals.
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Import Tips & Compliance
• Provide detailed chemical analysis certificates confirming purity and structure as piperidine to avoid misclassification
• Ensure proper Hazard Communication labeling (HazCom) as piperidine is corrosive and requires UN-approved packaging
• Verify REACH/ TSCA compliance for chemical registration before importation to prevent customs holds
Related Products under HTS 2933.32.10.00
Piperidine Hydrochloride
Piperidine hydrochloride is the salt form of piperidine (C5H10NH·HCl), commonly used in organic synthesis. It qualifies under HTS 2933.32.10.00 per Chapter Note 5(C)(1) which classifies salts of organic compounds with the parent compound.
98% Pure Piperidine ACS Reagent Grade
ACS reagent grade piperidine (98% purity) meets American Chemical Society standards for laboratory use. Despite impurities, it remains classified as piperidine under Chapter Note 1(a) which includes compounds 'whether or not containing impurities'.
Stabilized Piperidine with Antioxidant
Industrial piperidine stabilized with BHT antioxidant for safe transport and storage. Chapter Note 1(f) specifically allows classification as piperidine when stabilizers are added solely for preservation.
Piperidine for Rubber Accelerator Synthesis
Technical grade piperidine designated for rubber accelerator production (e.g., for CBS accelerator). Remains classified as piperidine regardless of intended end-use per HTS specific heading provisions.
Piperidinium Acetate Salt
Piperidinium acetate, the acetate salt of piperidine, used as a catalyst in organic reactions. Chapter Note 5(C)(2) classifies organic salts with the later numerical heading (piperidine at 2933 > carboxylic acids).
Deuterated Piperidine-d11
Piperidine-d11 with all 11 hydrogen positions replaced by deuterium, used in NMR spectroscopy. As isotopically substituted piperidine, it qualifies as the same compound under Chapter Note 1(a).