Camphoric acid
Camphoric acid (1,2,2-trimethylcyclopentane-1,3-dicarboxylic acid) is a naturally-derived cyclanic polycarboxylic acid classified under HTS 2917.20.00.00. This bicyclic terpenoid structure fits the cycloterpenic subcategory. Used in pharmaceutical synthesis and fragrance chemistry.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If ketone function predominates
Oxygen function compounds with ketone priority classified in Chapter 2914.
If used as odoriferous substance
Mixtures prepared as scents fall under Chapter 33, not pure compounds.
If sugar derivative form
Sugar esters/ethers of polycarboxylic acids classified later in 2940.
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Import Tips & Compliance
• Include origin certificates if derived from natural camphor to support valuation claims
• Provide chiral specifications (D/L forms) affecting pharmaceutical end-use classification
• Ensure REACH compliance documentation for EU re-export scenarios
Related Products under HTS 2917.20.00.00
Cyclohexane-1,2-dicarboxylic acid
Cyclohexane-1,2-dicarboxylic acid is a cyclanic polycarboxylic acid with two carboxyl groups attached to a cyclohexane ring. It falls under HTS 2917.20.00.00 as a separate chemically defined organic compound of the cyclanic polycarboxylic acids category. This compound is used in the production of plasticizers and resins.
Hexahydrophthalic anhydride
Hexahydrophthalic anhydride is the cyclic anhydride of cyclohexane-1,2-dicarboxylic acid, a derivative specifically covered by HTS 2917.20.00.00. This cyclanic compound is widely used in epoxy resin curing agents and alkyd resin production. It qualifies as a chemically defined derivative of cyclanic polycarboxylic acids.
Cyclohexane-1,4-dicarboxylic acid
A symmetrical cyclanic polycarboxylic acid with carboxyl groups at the 1 and 4 positions of the cyclohexane ring. Classified under HTS 2917.20.00.00 as a separate chemically defined cyclanic polycarboxylic acid. Used in polyester resin synthesis and pharmaceutical intermediates.
Bicyclo[2.2.1]heptane-2,3-dicarboxylic anhydride
Also known as nadic anhydride, this bicyclic cyclanic derivative features a norbornane structure with fused anhydride functionality. Falls under HTS 2917.20.00.00 as a cyclanic polycarboxylic acid anhydride. Primarily used in high-performance epoxy resins for aerospace composites.
Tetrahydrophthalic anhydride
Tetrahydrophthalic anhydride is a partially hydrogenated cyclanic polycarboxylic acid anhydride covered by HTS 2917.20.00.00. The cyclohexene ring structure qualifies as cyclenic per the heading description. Widely used in unsaturated polyester resins and alkyd coatings.
Dimer acid
Dimer acids are oligomeric cyclanic polycarboxylic acids produced by clay-catalyzed dimerization of unsaturated fatty acids. Despite polymer nature, classified as chemically defined cyclanic polycarboxylic acids under HTS 2917.20.00.00 when meeting purity standards. Used in polyamide hot-melt adhesives.