Other
Acetals and hemiacetals, whether or not with other oxygen function, and their halogenated, sulfonated, nitrated or nitrosated derivatives: > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 2911.00.50.00
Diethoxymethane (Formal)
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.
1,1-Diethoxyethane (Acetal)
1,1-Diethoxyethane is the diethyl acetal of acetaldehyde, a volatile liquid used as a protecting group in organic synthesis. Classified under HTS 2911.00.50.00 as an 'other' acetal with oxygen function per Chapter 29 heading 2911. It qualifies as a separate chemically defined organic compound under chapter note (a).
Benzaldehyde Diethyl Acetal
Benzaldehyde diethyl acetal is the acetal formed from benzaldehyde and ethanol, used as a fragrance intermediate and protecting agent. It falls under HTS 2911.00.50.00 as an 'other' acetal with additional oxygen function, qualifying under Chapter 29 notes for chemically defined acetals.
Cyclohexanone Diethyl Acetal
Cyclohexanone diethyl acetal serves as a protected form of cyclohexanone in multi-step synthesis. This cyclic acetal with oxygen function is classified in HTS 2911.00.50.00 as 'other' acetals per heading 2911 and Chapter 29 applicability notes.
Chloral Hydrate (2,2,2-Trichloro-1,1-ethanediol)
Chloral hydrate is the hemiacetal hydrate of chloral (trichloroacetaldehyde), used in pharmaceuticals and as a sedative. It qualifies under HTS 2911.00.50.00 as a halogenated hemiacetal derivative per heading 2911 and chapter note 4.
Acetaldehyde Dimethyl Acetal
Acetaldehyde dimethyl acetal (1,1-dimethoxyethane) is used as a flavoring agent and chemical intermediate. This simple aliphatic acetal falls under HTS 2911.00.50.00 as 'other' acetals with oxygen function, meeting Chapter 29's chemical compound criteria.
Glyoxal Bis(diethyl acetal)
Glyoxal diethyl acetal is the bis-acetal of glyoxal used in polymer and resin production. Classified in HTS 2911.00.50.00 as an 'other' acetal with multiple oxygen functions per Chapter 29 heading structure.
Butyraldehyde Diethyl Acetal
Butyraldehyde diethyl acetal serves as an intermediate in flavor synthesis and protecting group chemistry. This linear chain acetal is covered under HTS 2911.00.50.00 as 'other' acetals per Chapter 29 definitions.
Isobutyraldehyde Diethyl Acetal
Isobutyraldehyde diethyl acetal is a branched acetal used in pharmaceutical intermediates. Falls under HTS 2911.00.50.00 as an 'other' hemiacetal/acetal derivative meeting chapter chemical purity standards.
Propionaldehyde Diethyl Acetal
Propionaldehyde diethyl acetal (1,1-diethoxypropane) functions as a Grignard reagent precursor. Classified HTS 2911.00.50.00 as a simple aliphatic acetal with oxygen function under Chapter 29 heading 2911.
Formaldehyde Diethyl Acetal
Formaldehyde diethyl acetal (diethoxymethane) is a formaldehyde equivalent in synthesis. HTS 2911.00.50.00 covers this as an 'other' acetal per chapter definitions for chemically defined oxygen-function compounds.
Valeraldehyde Diethyl Acetal
Valeraldehyde diethyl acetal (1,1-diethoxypentane) used in flavor chemistry. This higher aliphatic acetal falls under HTS 2911.00.50.00 as 'other' per Chapter 29 acetal heading.
2-Ethylhexanal Diethyl Acetal
2-Ethylhexanal diethyl acetal serves as intermediate for plasticizers and lubricants. Branched chain acetal classified HTS 2911.00.50.00 as 'other' oxygen function acetal.
Cinnamaldehyde Diethyl Acetal
Cinnamaldehyde diethyl acetal used in perfumery and as flavor fixative. Aromatic unsaturated acetal under HTS 2911.00.50.00 per Chapter 29 acetal provisions.
Citral Diethyl Acetal
Citral diethyl acetal, derived from lemongrass oil chemistry, used as stable flavor intermediate. Terpenoid acetal classified HTS 2911.00.50.00 as 'other' acetals with oxygen function.