Triethanolamine Hydroxyhydroquinone from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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