2,3,4,6-Tetrachlorophenol from Japan
2,3,4,6-Tetrachlorophenol features four chlorine atoms in asymmetric distribution around the phenolic ring. Meets HTS 2908.19.60.00 'only halogen' criteria as obscure positional isomer. Used in analytical chemistry standards and toxicological studies.
Duty Rate — Japan → United States
15%
Rate breakdown
9903.04.629.5%Pharmaceuticals: patented pharma from JP/EU/KR/CH/LI — 15% floor rate
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Reference analytical standards require NIST-traceable certificates for CBP verification
• Small package research imports often duty-free under de minimis provisions
• Isomer-specific naming prevents generic 'chlorophenol' undervaluation attempts