Ethyl Cyanoacetate
Ethyl cyanoacetate (NCCH2CO2Et) is a versatile nitrile ester used in Knoevenagel condensations and pharmaceutical synthesis. It classifies under HTS 2926.90.50 because the nitrile function defines its chemical identity over ester per Chapter Note 1(A) cross-subchapter rules.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If carboxylic acid ester function predominates
Acyclic polycarboxylic acid esters occur later in Chapter 29 numerical order.
If for hormone synthesis precursors
Specific hormone intermediates have dedicated provisions later in chapter.
If when supplied with polymerization catalysts
Mixtures containing >2% additives classify as preparations.
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
• Confirm ester:nitrile ratio via NMR for proper declaration; Use glass-lined containers to prevent base-catalyzed hydrolysis; Include TSCA inventory status in commercial invoice
Related Products under HTS 2926.90.50
Acrylonitrile
Acrylonitrile is a colorless liquid organic compound with the formula CH2=CHCN, featuring a nitrile functional group directly attached to a vinyl group. It falls under HTS 2926.90.50 as a nitrile-function compound not specifically covered by other subheadings in heading 2926. Primarily used in the production of acrylic fibers, synthetic rubber, and resins.
Adiponitrile
Adiponitrile (NC(CH2)4CN) is a dinitrile compound used primarily as an intermediate in nylon-6,6 production via hexamethylenediamine synthesis. Classified under HTS 2926.90.50 as a 'other' nitrile-function compound in heading 2926. It meets Chapter 29 requirements for separate chemically defined organic compounds.
Benzonitrile
Benzonitrile (C6H5CN) is an aromatic nitrile serving as a solvent and chemical intermediate for pharmaceuticals, dyes, and rubber additives. It qualifies for HTS 2926.90.50 as a nitrile-function compound not enumerated elsewhere in the heading. The compound is a clear, colorless liquid with almond-like odor.
Mandelonitrile
Mandelonitrile (C6H5CH(OH)CN) is an alpha-hydroxy nitrile used in organic synthesis and as a precursor for pharmaceuticals like mandelamide. Falls under HTS 2926.90.50 as other nitrile-function compounds; the hydroxyl group doesn't override nitrile classification per Chapter 29 structure rules.
Allyl Cyanide (3-Butenenitrile)
3-Butenenitrile (CH2=CHCH2CN), also known as allyl cyanide, is an unsaturated aliphatic nitrile used in polymer and pharmaceutical synthesis. Classified in HTS 2926.90.50 as a non-specific nitrile-function compound meeting Chapter 29(a) criteria for chemically defined organic compounds.
Cyanoacetic Acid
Cyanoacetic acid (NCCH2COOH) is a nitrile carboxylic acid used in agrochemical and pharmaceutical manufacturing. HTS 2926.90.50 applies as the nitrile function takes precedence over carboxylic acid per Chapter 29 classification hierarchy for multi-function compounds.