Formamide

Formamide (HCONH2) is the simplest acyclic amide, used as a solvent and in organic synthesis. HTS 2924.19.80.00 captures it as an 'other' acyclic amide, excluded from more specific subheadings.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+25.0%31.5%
🇲🇽Mexico6.5%—6.5%
🇨🇦Canada6.5%—6.5%
🇩🇪Germany6.5%—6.5%
🇯🇵Japan6.5%—6.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2924.19.11Lower: 28.7% vs 31.5%

If meeting DMF (dimethylformamide) related subheading

Proximity to named formamide derivatives may trigger specific codes.

3204.17Lower: 16.5% vs 31.5%

If when used as synthetic organic luminophore intermediate

Specific use products exclude from chapter 29 per note 2(g).

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Import Tips & Compliance

• Hazardous material declaration required due to toxicity; include GHS labels

• Purity >99% certification prevents mixture classification under 3824

• Avoid water solutions unless for transport safety per chapter note (d)

Related Products under HTS 2924.19.80.00

Acetazolamide

Acetazolamide is a carbonic anhydrase inhibitor used primarily as a diuretic and for glaucoma treatment, featuring an acyclic amide structure with a sulfonamide group. It falls under HTS 2924.19.80.00 as an acyclic amide derivative not specifically covered by other subheadings in 2924.19. This classification aligns with chapter notes for chemically defined organic compounds with amide functions.

Lidocaine

Lidocaine is a local anesthetic containing an acyclic amide (diethylamino acetanilide) linkage essential to its pharmacological action. Classified under HTS 2924.19.80.00 as an 'other' acyclic amide derivative, it fits chapter 29 provisions for chemically defined compounds with carboxyamide functions not elsewhere specified.

Bupivacaine Hydrochloride

Bupivacaine hydrochloride is an amide-type local anesthetic with an acyclic carboxamide group, supplied as its hydrochloride salt. Under HTS 2924.19.80.00, the salt classifies with the parent acyclic amide per chapter note 3(C)(1), covering 'other' derivatives.

Mepivacaine

Mepivacaine, a piperidine-based aminoamide anesthetic, contains a key acyclic amide linkage. HTS 2924.19.80.00 covers this as an 'other' acyclic amide, prioritizing amide function over any heterocyclic elements per classification notes.

N,N-Diethylacetamide

N,N-Diethylacetamide is an acyclic tertiary amide used as a solvent and chemical intermediate. Classified in HTS 2924.19.80.00 for other acyclic amides and derivatives, fitting chapter 29's scope for chemically defined compounds.

N-Methylacetamide

N-Methylacetamide is an acyclic secondary amide employed in peptide synthesis and as a solvent. It properly classifies under HTS 2924.19.80.00 for unspecified acyclic amide derivatives.