2903.92.00.00/p,p'-DDT Isomeric Standard 98% Purity/Japan

p,p'-DDT Isomeric Standard 98% Purity from Japan

Pure p,p'-DDT isomer (1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane) for environmental monitoring and GC-MS calibration. Falls under HTS 2903.92.00.00 as the specifically named DDT compound. Chemically defined per Chapter 29 note (a) with defined impurities.

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)

Calculate with your customs value Verify classification with AI

Import Tips

• Obtain CITES permit for persistent organic pollutant (POP) import; declare analytical use only

• Use secondary containment packaging per EPA P-listed waste regulations during transit

• Validate isomeric purity >95% via NMR certificate to prevent reclassification as isomer mixture