Azinphos-methyl Reference Standard USP
Azinphos-methyl reference standard USP is a certified pure analytical reagent of the heterocyclic compound, used for laboratory pesticide residue analysis. It is classified under tariff item 2933.92.00 as a separate chemically defined organic compound, meeting pharmacopeia standards for purity.
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 reference standard is presented as a diagnostic or laboratory reagent kit
Certified reference materials for laboratory use may fall under heading 38.22 if they are composite diagnostic reagents.
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
• Declare the product as a laboratory reagent and provide a certificate of analysis
• Ensure the reference standard is not for use as a pesticide; if it is, a PMRA registration may be required
• Keep records of the intended analytical use for CBSA inspection
Related Products under Tariff item 2933.92.00
Azinphos-methyl 50% Wettable Powder
Azinphos-methyl 50% wettable powder is a formulated insecticide containing the pure active ingredient azinphos-methyl mixed with inert carriers. It falls under tariff item 2933.92.00 because the active ingredient is the named heterocyclic compound, and the formulation is a standard agricultural preparation of that chemical.
Azinphos-methyl Isomer Mixture 99%
Azinphos-methyl isomer mixture 99% consists of stereoisomers of this nitrogen-heterocyclic compound. It is covered by tariff item 2933.92.00 because Chapter 29 Note 1(b) includes mixtures of isomers of the same organic compound, and the product is a pure chemical mixture for research use.
Azinphos-methyl Technical Grade 97%
Azinphos-methyl technical grade 97% is a highly concentrated form of the organophosphate insecticide, serving as the active ingredient for further formulation. It falls under tariff item 2933.92.00 as the named heterocyclic compound, with impurities within acceptable limits for technical grade material.
Guthion 2L Azinphos-methyl Liquid
Guthion 2L is a liquid emulsifiable concentrate formulation of azinphos-methyl, a nitrogen-heterocyclic insecticide applied via spray for pest control. It is classified under tariff item 2933.92.00 because the active ingredient is the named compound, and the formulation is a standard agricultural preparation of that chemical.