Cyclic polymers of aldehydes
Epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulphonated, nitrated or nitrosated derivatives. > Aldehyde-alcohols, aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen function: > Cyclic polymers of aldehydes > Cyclic polymers of aldehydes
Duty Rate (from China)
Products classified under Tariff item 2912.50.00.00
Bulk Metaldehyde for Agricultural Chemical Synthesis
Bulk metaldehyde in supersacks for industrial chemical synthesis. Metaldehyde is a cyclic tetramer of acetaldehyde, a separate chemically defined organic compound, and is classified under tariff item 2912.50.00 as a cyclic polymer of aldehydes.
2912.50.00Industrial Metaldehyde Pellets for Molluscicide Production
Pelletized metaldehyde at technical purity for molluscicide production. The pelleting is for handling only and does not alter the chemical identity as a cyclic polymer of acetaldehyde, so it remains under tariff item 2912.50.00.
2912.50.00Metaldehyde 99% Technical Grade Powder
Metaldehyde 99% technical grade powder, a cyclic tetramer of acetaldehyde. As a separate chemically defined organic compound, it is classified under tariff item 2912.50.00 for cyclic polymers of aldehydes.
2912.50.00Metaldehyde Aqueous Solution 50% w/v Stabilized
Metaldehyde aqueous solution 50% w/v with stabilizer. Chapter 29 note 1(d) allows aqueous solutions of listed compounds, so this solution is classified under tariff item 2912.50.00 as a cyclic polymer of aldehydes.
2912.50.00Metaldehyde Flake Form 98% Purity
Metaldehyde in flake form at 98% purity, the cyclic tetramer of acetaldehyde. The physical form does not affect classification, and it remains a separate chemically defined organic compound under tariff item 2912.50.00.
2912.50.00Metaldehyde with Anticaking Agent for Bulk Transport
Metaldehyde powder with a minimal anticaking agent (<0.5%) for bulk transport. Chapter 29 note 1(f) permits added stabilizers necessary for preservation or transport, so it remains classified under tariff item 2912.50.00.
2912.50.00Paraldehyde USP
Paraldehyde USP, a cyclic trimer of acetaldehyde used as a sedative and anticonvulsant. It is a separate chemically defined organic compound and a cyclic polymer of aldehydes, classified under tariff item 2912.50.00.
2912.50.00Pharmaceutical Grade Metaldehyde USP
Pharmaceutical grade metaldehyde meeting USP standards, confirmed as a cyclic acetaldehyde tetramer. It is a separate chemically defined organic compound, classified under tariff item 2912.50.00.
2912.50.00Pharmaceutical Grade Paracetaldehyde
High-purity paracetaldehyde (paraldehyde) for pharmaceutical sedative applications. As a cyclic trimer of acetaldehyde, it is a chemically defined organic compound under tariff item 2912.50.00.
2912.50.00Research Grade Metaldehyde 99.9% for Laboratory Use
Research grade metaldehyde at 99.9% purity in small laboratory quantities. As a chemically defined cyclic polymer of aldehydes, it is classified under tariff item 2912.50.00.