Camphorsulfonic Acid
10-Camphorsulfonic acid derives from sulfonation of camphor (bicyclic hydrocarbon terpene). Classified HTS 2904.99.50.00 as sulfonated cyclic hydrocarbon derivative. Chiral resolving agent in asymmetric synthesis.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified by ketone function rather than sulfonation
Oxygen-function precedence per chapter notes if keto group principal characteristic.
If herbicide intermediates
Pesticide-related chemicals move to Chapter 38.
If considered heterocyclic due to bridgehead structure
Complex ring systems may shift to heterocyclic compounds heading.
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Import Tips & Compliance
• Specify optical rotation [α]D values to confirm enantiomeric purity affecting pricing
• Small package exemption possible for research quantities <100g
• Biocontamination testing required for terpene-derived chemicals
Related Products under HTS 2904.99.50.00
p-Toluenesulfonic Acid
p-Toluenesulfonic acid (PTSA) is a sulfonated derivative of toluene, a hydrocarbon, containing a sulfonic acid group (-SO3H) attached to the aromatic ring. It falls under HTS 2904.99.50.00 as a sulfonated derivative of hydrocarbons, whether or not halogenated, specifically in the 'other' category. Commonly used as a catalyst in organic synthesis and esterification reactions.
Benzenesulfonic Acid
Benzenesulfonic acid is the simplest aromatic sulfonic acid, derived from benzene hydrocarbon through sulfonation. Classified under HTS 2904.99.50.00 as a sulfonated derivative of hydrocarbons in the 'other' subcategory. Used in manufacturing detergents, dyes, and pharmaceuticals.
Dinonylnaphthalenesulfonic Acid
Dinonylnaphthalenesulfonic acid (DNNSA) features two nonyl alkyl chains on sulfonated naphthalene, qualifying as alkylated sulfonated hydrocarbon derivative under HTS 2904.99.50.00. Widely used in alkylation catalysts and metal extraction.
Xylenesulfonic Acid Mixture
Xylenesulfonic acid mixture contains isomers of dimethylbenzenesulfonic acid from sulfonation of commercial xylene feedstock. Falls under HTS 2904.99.50.00 as sulfonated derivatives not elsewhere specified. Used in hydrotropes and polymerization catalysts.
Anthracene-2-Sulfonic Acid
Anthracene-2-sulfonic acid from sulfonation of anthracene polycyclic hydrocarbon. HTS 2904.99.50.00 covers this higher PAH sulfonated derivative. Used in specialty dye synthesis.
Dodecylbenzenesulfonic Acid
Linear dodecylbenzenesulfonic acid (LABSA) from sulfonation of dodecylbenzene alkylaromatic hydrocarbon. HTS 2904.99.50.00 classification for long-chain sulfonated derivatives. Primary raw material for LAS detergents.