Pentachlorobenzene Lab Reference Standard
A certified reference material of pentachlorobenzene (ISO) used for analytical calibration in environmental testing laboratories. Despite its small packaging, it is the pure chemically defined compound, not a preparation, and is therefore classified under tariff item 2903.93.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the product is labeled as a pure reference standard, not a solution or mixture, to avoid reclassification
• Include the ISO name and CAS number on the commercial invoice
• Verify if an import permit is needed under the Canadian Environmental Protection Act
Related Products under Tariff item 2903.93.00
99% Pure Pentachlorobenzene Flakes
High-purity pentachlorobenzene supplied in flake form for use in organic synthesis and as a reference standard. As a separate chemically defined compound, it is classified under tariff item 2903.93.00, regardless of its physical form.
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 is a separate chemically defined compound, falling squarely under tariff item 2903.93.00.
Pentachlorobenzene Technical Grade Powder
Technical grade pentachlorobenzene powder (95-98% purity) used in laboratory research and as a synthetic precursor for pharmaceuticals. The named compound with minor impurities is covered by tariff item 2903.93.00, as Chapter 29 permits impurities in chemically defined compounds.
Stabilized Pentachlorobenzene Crystals
Pentachlorobenzene crystals with an added stabilizer for transport stability, used in dye intermediate production. Chapter 29 note 1(f) allows stabilizers necessary for preservation or transport, so this product remains classified under tariff item 2903.93.00.