Metaldehyde 99% Technical Grade
Metaldehyde is a cyclic tetramer of acetaldehyde used as a molluscicide pesticide active ingredient. Classified under HTS 2912.50.5000 as 'other' cyclic polymers of aldehydes. Excluded from heading 3606 per Chapter 29 note (i) when in technical form, not fuel tablets.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 5.5% | +35.0% | 40.5% |
| 🇲🇽Mexico | 5.5% | +10.0% | 15.5% |
| 🇨🇦Canada | 5.5% | +10.0% | 15.5% |
| 🇩🇪Germany | 5.5% | +10.0% | 15.5% |
| 🇯🇵Japan | 5.5% | +10.0% | 15.5% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If imported as formulated pesticide containing metaldehyde as active ingredient
Pesticides with specific active ingredients are classified in Chapter 38, superseding pure compound classification.
If tabletted or formed specifically for fuel use
Chapter 29 note (i) explicitly excludes metaldehyde in fuel forms, directing to Chapter 36.
If analyzed as acyclic acetaldehyde derivatives
Non-cyclic aldehyde polymers or derivatives fall under earlier 'other aldehydes' subheadings.
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Import Tips & Compliance
• Obtain EPA registration number and provide pesticide residue analysis confirming >98% metaldehyde content
• Include manufacturing process documentation proving cyclic tetramer structure to distinguish from paraformaldehyde
• Declare as agricultural chemical; avoid retail packaging to prevent reclassification as consumer product
Related Products under HTS 2912.50.50.00
Paraldehyde USP
Paraldehyde is a cyclic trimer of acetaldehyde used primarily as a sedative and anticonvulsant in pharmaceutical formulations. It falls under HTS 2912.50.5000 as a cyclic polymer of aldehydes, specifically 'other' cyclic polymers beyond paraformaldehyde. This chemically defined organic compound meets Chapter 29 note (a) for separate compounds.
Cyclical Aldehyde Resin Precursor
Specialty cyclic polymers of aldehydes (acetaldehyde/butyraldehyde tetramers) used as intermediates for synthetic resin production. HTS 2912.50.5000 covers these 'other' cyclic aldehyde polymers not specified elsewhere. Meets Chapter 29 requirements for chemically defined organic compounds.
Pharmaceutical Grade Paracetaldehyde
High-purity cyclic trimer of acetaldehyde (paracetaldehyde) for pharmaceutical sedative applications. Falls under HTS 2912.50.5000 as other cyclic polymers of aldehydes. Chemically defined per Chapter 29 note (a), not excluded as finished medicament.
Metaldehyde Active Ingredient Powder
Pure metaldehyde powder (cyclic tetramer) as pesticide technical material before formulation. HTS 2912.50.5000 for other cyclic aldehyde polymers. Excluded from fuel classification per Chapter 29 note (i).
Aldol Cyclic Dimer Intermediate
Cyclic dimer formed from aldol condensation of acetaldehyde, used in flavor/fragrance synthesis. Classifies under HTS 2912.50.5000 as other cyclic aldehyde polymers. Chemically defined organic compound per Chapter 29.