Pentachlorobenzene (PCBZ)
Pentachlorobenzene (ISO), a chlorinated aromatic hydrocarbon with the formula C6HCl5, is a white crystalline solid used primarily as an intermediate in chemical synthesis. It falls under HTS 2903.93.00.00 as a specifically named halogenated derivative of aromatic hydrocarbons per Chapter 29 notes (a). Purity typically exceeds 98% for industrial applications.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If mixture contains isomers or impurities exceeding 1%
Products with impurities fall under the residual 'other halogenated aromatic hydrocarbons' subheading rather than the specific pure compound heading.
If dissolved in solvent for safe transport
Chapter 29 note (e) allows solutions only if solely for safety/transport and not suited for specific use; otherwise classifies as chemical preparations in Chapter 38.
If formulated and imported as herbicide intermediate
If put up specifically for pesticide use rather than general chemical intermediate, it shifts to Chapter 38 pesticide formulations.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Obtain TSCA pre-manufacture notice if synthesizing further derivatives in the US; verify EPA registration for any pesticide-related uses
• Provide detailed purity certificates (GC-MS analysis) and SDS; declare as 'chemical intermediate, not for direct pesticide use' to avoid misclassification
Related Products under HTS 2903.93.00.00
99% Pure Pentachlorobenzene Flakes
High-purity pentachlorobenzene supplied in flake form for use in organic synthesis and as a reference standard. Classified under HTS 2903.93.00.00 as the pure, separate chemically defined compound per Chapter 29 note (a), distinct from formulations or mixtures.
Pentachlorobenzene Technical Grade Powder
Technical grade pentachlorobenzene powder (95-98% purity) used in laboratory research and as a synthetic precursor for pharmaceuticals. HTS 2903.93.00.00 covers this as the named compound, allowing minor impurities per Chapter 29 note (a).
Stabilized Pentachlorobenzene Crystals
Pentachlorobenzene crystals with added stabilizer for transport stability, used in dye intermediate production. Falls under HTS 2903.93.00.00 per Chapter note (f) allowing stabilizers necessary for preservation.
Pentachlorobenzene Lab Reference Standard
Certified reference material of pentachlorobenzene for analytical calibration in environmental testing labs. Classified in HTS 2903.93.00.00 as the pure compound, not as a preparation despite small packaging.