Endosulfan Reference Standard USP
> Endosulfan Reference Standard USP is a pharmacopeia-grade certified reference material of endosulfan (ISO) for analytical method validation. It is classified under tariff item 2920.30.00 as the pure, chemically defined compound, despite its intended use as a standard.
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 product is a formulated reference standard with additives
Reference standards with added substances may fall under heading 3822.
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
• > Verify that the product is endosulfan (ISO) in pure form and not a mixture
• Since it is a USP standard, ensure it meets the purity requirements for classification under Chapter 29
• Keep the certificate of analysis and product documentation for CBSA inspection
Related Products under Tariff item 2920.30.00
Endosulfan 35% EC Emulsifiable Concentrate
> Endosulfan 35% EC Emulsifiable Concentrate is a liquid formulation containing 35% endosulfan (ISO) dissolved in an emulsifiable solvent system. When imported as a pure endosulfan component separated from the formulation, it falls under tariff item 2920.30.00 as it matches the chemical definition of endosulfan (ISO) as a separate chemically defined organic compound.
Endosulfan Alpha Isomer 99%
> Endosulfan Alpha Isomer 99% is a highly purified single isomer of endosulfan (ISO), separated for research and specialized applications. It qualifies under tariff item 2920.30.00 as it matches the chemical definition of endosulfan (ISO) as a separate chemically defined organic compound, even as an individual isomer.
Endosulfan Beta Isomer Standard
> Endosulfan Beta Isomer Standard is a reference material containing the beta isomer of endosulfan (ISO) at certified concentration for calibration purposes. It qualifies under tariff item 2920.30.00 as the named compound in pure form, even when used as a laboratory standard.
Endosulfan Sulfate Metabolite 98%
> Endosulfan Sulfate Metabolite 98% is the primary degradation product of endosulfan (ISO), chemically related as its sulfate ester derivative. It falls under tariff item 2920.30.00 when imported as the reference standard matching the chemical definition of endosulfan (ISO) derivatives.
Endosulfan Technical Grade 95%
> Endosulfan Technical Grade 95% is a pure chemical formulation of the organochlorine insecticide Endosulfan (ISO), consisting primarily of alpha and beta isomers in a specific ratio. It falls under tariff item 2920.30.00 as it is a separate chemically defined organic compound, even with minor impurities.