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2928.00.50.00/1,1-Diphenyl-2-picrylhydrazyl/Germany

1,1-Diphenyl-2-picrylhydrazyl from Germany

1,1-Diphenyl-2-picrylhydrazyl (DPPH) is a stable free radical used as an antioxidant assay standard in research. Falls under HTS 2928.00.50.00 as 'other' hydrazine derivative, being a chemically defined organic compound with hydrazine core despite extensive substitution. Its purple crystalline form is characteristic for spectroscopic applications.

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%
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Import Tips

• Light-sensitive; use amber packaging for shipments; provide radical assay certificate (98%+ purity); DEA-exempt for research quantities

1,1-Diphenyl-2-picrylhydrazyl from Germany — Import Duty Rate | HTS 2928.00.50.00