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Isoquinoline from Germany

Isoquinoline is a heterocyclic aromatic organic compound with a benzene ring fused to a pyridine ring. It is imported under HTS 2934.99.90.01 as other heterocyclic compounds and used in alkaloid synthesis and as a corrosion inhibitor.

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 flash point data (108°C) for proper IMDG Class 6.1 hazardous material declaration

Include end-use statement if for pharmaceutical synthesis to qualify for duty exemptions

Test for pyridine content impurities which could trigger different classification