Paraquat Dichloride Herbicide Active Ingredient
Pure o-paraquat dichloride as an active ingredient for desiccant and defoliant herbicide applications is a separate chemically defined organic compound. Its bipyridylium structure contains unfused pyridine rings, placing it in the pyridine heterocyclic compounds of Chapter 29. It is classified under tariff item 2933.39.00 as an 'Other' pyridine-ring compound.
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:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the active ingredient is formulated with adjuvants
Formulated products are classified in Chapter 38.
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
• As a pure active ingredient, the product is classified in Chapter 29 if it is not put up in measured doses or for retail sale
• Provide the CAS number and purity certificate to the CBSA
• Verify whether the product is registered under the Pest Control Products Act for use in Canada
Related Products under Tariff item 2933.39.00
1-(3-Sulfo propyl) pyridinium hydroxide
1-(3-Sulfo propyl) pyridinium hydroxide is a chemically defined heterocyclic compound containing an unfused pyridine ring with a sulfo propyl substituent. It is a separate chemically defined organic compound, which falls under this tariff item as an 'Other' compound containing an unfused pyridine ring.
1,4-Dimethyl-6-hydroxy-3-cyanopyrid-2-one
1,4-Dimethyl-6-hydroxy-3-cyanopyrid-2-one is a substituted pyridone compound used as an intermediate in pharmaceutical manufacturing. It is a separate chemically defined organic compound, falling under this tariff item as an 'Other' pyridine compound.
2,4-Lutidine (2,4-Dimethylpyridine)
2,4-Lutidine (2,4-Dimethylpyridine) is a pyridine derivative with two methyl groups at positions 2 and 4. It is a separate chemically defined organic compound used as a solvent and catalyst in organic synthesis, falling under this tariff item as an 'Other' pyridine compound.
2,5-Pyridinedicarboxylic acid
2,5-Pyridinedicarboxylic acid, also known as isocinchomeronic acid, is a heterocyclic organic compound featuring an unfused pyridine ring with two carboxylic acid functional groups. It is used primarily as a building block in coordination polymers, metal-organic frameworks, and pharmaceutical intermediates. This compound falls under tariff item 2933.39.00 as a heterocyclic compound with a nitrogen hetero-atom containing an unfused pyridine ring.
2,6-Lutidine (2,6-Dimethylpyridine)
2,6-Lutidine (2,6-Dimethylpyridine) is a symmetric dimethylpyridine used in coordination chemistry and as a ligand precursor. It is a separate chemically defined organic compound, falling under this tariff item as an 'Other' pyridine compound.
2-Methyl-5-ethylpyridine
2-Methyl-5-ethylpyridine is an alkyl-substituted pyridine derivative containing an unfused pyridine ring. It is primarily used as an intermediate in the synthesis of flavor and fragrance compounds and in vitamin B6 production. As a heterocyclic compound with a nitrogen hetero-atom and an unfused pyridine ring, it is classified under tariff item 2933.39.00.