Triethanolamine Hydroxyhydroquinone from Germany
TEHQ serves as a silver halide preservative and stabilizer in photographic emulsions and developers. This aromatic derivative prevents oxidation during film storage and processing. HTS 2934.99.20.00 specifically includes such photographic stabilizers.
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
• Include formulation recipes showing concentration in photographic products
• Ensure temperature-controlled shipping to maintain chemical stability
• Document non-toxicity profile for customs health/safety review