3-Hydroxy-3-methyl-2-butanone
3-Hydroxy-3-methyl-2-butanone is a branched ketone-alcohol with geminal substitution at the hydroxy-bearing carbon. Classified in HTS 2914.40.90.00 as an 'other' ketone-alcohol. Serves as intermediate in terpene 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 camphor-derived structures
Bicyclic monoterpene ketones have specific provisions.
If formulated >20% in fragrance compounds
Mixtures for perfumery classified by principal use, not chemical structure.
If technical grade <90% purity
Impure forms fall under organic chemical mixtures heading.
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Import Tips & Compliance
• GC-MS purity certificate essential; diastereomer impurities affect classification
• Low boiling point requires UN-approved packaging for air shipment
• Declare intended synthetic pathway to prevent flavor/fragrance duty adjustment
Related Products under HTS 2914.40.90.00
4-Hydroxy-4-methyl-2-pentanone
4-Hydroxy-4-methyl-2-pentanone is a ketone-alcohol featuring both a ketone functional group and a hydroxyl group on adjacent carbons. It falls under HTS 2914.40.90.00 as a ketone-alcohol not specifically enumerated elsewhere in the heading. This compound is used as a chemical intermediate in organic synthesis.
1-Hydroxyacetone (Hydroxyacetone)
1-Hydroxyacetone contains both ketone and primary alcohol functional groups, qualifying as a ketone-alcohol under heading 2914.40. This simple alpha-hydroxyketone is used in pharmaceutical synthesis and as a biochemical reagent. It appears in HTS 2914.40.90.00 as 'other' ketone-alcohols.
2-Hydroxy-2-methyl-1-phenylpropan-1-one
This aromatic ketone-alcohol combines a benzoyl ketone group with a tertiary alcohol functionality. Classified under HTS 2914.40.90.00 as an 'other' ketone-alcohol with additional oxygen function. Used in photoinitiator manufacturing and polymer chemistry.
4-Hydroxy-2-butanone
4-Hydroxy-2-butanone is an acyclic ketone-alcohol with the hydroxyl group at the terminal position and ketone at carbon 2. It qualifies under HTS 2914.40.90.00 as a ketone-alcohol not elsewhere specified. Used as a flavor intermediate and polymer precursor.
1-(4-Hydroxyphenyl)-2-propanone
This phenolic ketone-alcohol features a para-hydroxyphenyl group attached to a propanone chain. Falls under HTS 2914.40.90.00 as a ketone-alcohol with phenolic hydroxy function. Important intermediate for pharmaceuticals and antioxidants.
2,6-Dimethyl-6-hepten-2-ol Ketone Derivative
This unsaturated ketone-alcohol contains both allylic alcohol and methyl ketone functionalities. HTS 2914.40.90.00 classification as ketone-alcohol with other oxygen function. Used in vitamin A synthesis and polymer modifiers.