Chromium Ammonium Sulfate from Germany
Chromium ammonium sulfate serves as a precursor in catalyst production and analytical standards. Classified in HTS 2833.29.40.00 as chromium sulfate, though ammonium complexes border 2842. It's a green crystalline material meeting Chapter 28 purity standards.
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 ammonium content analysis (<10%) to maintain 2833 classification vs 2842
• Lab-grade imports need NIST traceability certificates