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Diethoxymethane (Formal) from Germany

Diethoxymethane, also known as formal, is a colorless liquid acetal formed from formaldehyde and ethanol. It falls under HTS 2911.00.50.00 as an acetal with oxygen function, used primarily as a solvent and chemical intermediate in organic synthesis. This chemically defined organic compound meets Chapter 29 note (a) for separate compounds.

Duty Rate — Germany → United States

10%

Rate breakdown

9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%

Import Tips

Provide Certificate of Analysis (COA) verifying chemical identity and purity to confirm classification under Chapter 29

Declare exact chemical composition; impurities must not exceed levels that alter essential character as an acetal

Avoid misclassification as mixtures by ensuring single-compound status per chapter note (a)