Dihydroxyacetone Dimer (DHA Dimer)
DHA dimer is the cyclic trimer form of 1,3-dihydroxyacetone, a stable ketone-alcohol used in self-tanning formulations to prevent oxidation during storage. It is classified under tariff item 2914.40.00 as it retains the core ketone-alcohol structure.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
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 the product has additional oxygen functions beyond ketone and alcohol
Ketones with other oxygen functions are classified under a different heading.
If the product is put up for retail sale as a cosmetic preparation
Cosmetic preparations put up for retail sale are classified under heading 3304.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the product is a separate chemically defined compound, not a mixture
• Provide the chemical structure and purity to the CBSA
• Check if the product requires a Cosmetic Notification if intended for cosmetic use
Related Products under Tariff item 2914.40.00
1-(2-Hydroxy-5-methylphenyl)ethanone
1-(2-Hydroxy-5-methylphenyl)ethanone is a methyl-substituted o-hydroxyacetophenone used in resin and flavor production. This aromatic ketone-alcohol is a separate chemically defined compound, classified under tariff item 2914.40.00.
1-(2-Hydroxyethyl)-2-pyrrolidone Ketone Analog
1-(2-Hydroxyethyl)-2-pyrrolidone Ketone Analog is a compound that combines ketone and alcohol functional groups within a lactam ring structure. It is classified as a ketone-alcohol under tariff item 2914.40.00 because the ketone-alcohol functionality is the defining characteristic, despite the presence of a heterocyclic ring. This product is used in electronics and pharmaceutical applications.
1-(2-Hydroxyphenyl)ethanone (o-Hydroxyacetophenone)
1-(2-Hydroxyphenyl)ethanone (o-hydroxyacetophenone) is an aromatic ketone-alcohol used in fragrance synthesis and as a pharmaceutical intermediate. Its structure includes a benzene ring with adjacent acetyl and hydroxyl groups, classifying it under tariff item 2914.40.00.
1,3-Dihydroxyacetone 99% Technical Grade
Technical grade 1,3-dihydroxyacetone (DHA) at 99% purity is used for industrial self-tanning and biochemical applications. It is a separate chemically defined ketone-alcohol, classified under tariff item 2914.40.00.
1,3-Dihydroxyacetone (DHA) Powder
Pure 1,3-dihydroxyacetone (DHA) is a ketone-alcohol compound used primarily as a self-tanning agent in cosmetics, reacting with skin proteins to produce a natural-looking tan. It falls under tariff item 2914.40.00 as a chemically defined organic compound.
1-(3-Hydroxyphenyl)ethanone (m-Hydroxyacetophenone)
1-(3-Hydroxyphenyl)ethanone (m-hydroxyacetophenone) is utilized in pharmaceutical synthesis, with meta-oriented ketone and hydroxy groups on an aromatic ring. This chemically defined aromatic ketone-alcohol is classified under tariff item 2914.40.00.