99% Pure Tetramethylguanidine from Germany
High-purity tetramethylguanidine (99%) used in pharmaceutical intermediate synthesis, classified under HTS 2925.29.70.00 as a separate chemically defined imine derivative. Meets Chapter 29 requirements for organic compounds without excluded additives. Common in organic catalysis 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%
Import Tips
• Provide GC-MS analysis confirming ≥99% purity to distinguish from 'other' imines
• Ensure stabilizer (if present) qualifies under note (f) for preservation only
• Avoid retail packaging over 1kg to prevent Chapter 38 reclassification