Trifluralin Impurity Standard (Metabolite)
Trifluralin Impurity Standard (Metabolite) is a certified reference material of a trifluralin primary metabolite for LC/MS impurity profiling. As a separate chemically defined organic compound and a toluidine derivative, it falls under tariff item 2921.43.00. It is used for analytical purposes.
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 put up as a certified reference material for laboratory use
Certified reference materials may be classified under diagnostic or laboratory reagents.
If the compound is not a toluidine derivative
Residual subheading for other aromatic monoamines.
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
• Provide a certificate of analysis confirming purity and identity
• Ensure the product is not put up for retail sale
• Include the CAS number and intended use on customs documents
Related Products under Tariff item 2921.43.00
2,6-Dichloro-m-Toluidine
2,6-Dichloro-m-toluidine is a doubly chlorinated derivative of m-toluidine, with chlorine atoms at the 2 and 6 positions. It is a chemically defined aromatic monoamine used in pesticide and dye applications. This compound falls under tariff item 2921.43.00 as a toluidine derivative.
2-Amino-5-chloro-4-ethyl benzenesulfonic acid
This is a specific aromatic monoamine derivative with an amino group, chloro substituent, ethyl chain, and sulfonic acid functionality on a benzene ring. It is a toluidine derivative and falls under tariff item 2921.43.00.
2-Amino-5-chloro-4-ethyl benzenesulfonic acid sodium salt
This is the sodium salt form of a named aromatic sulfonic acid-amine compound. As a salt of a toluidine derivative, it is classified under tariff item 2921.43.00 per Chapter 29 rules for salts of organic compounds.
2-Amino-5-chloro-p-toluenesulfonic acid
This aromatic amine compound has amino, chloro, methyl (tolyl), and sulfonic acid groups on a benzene ring. It is explicitly a toluidine derivative and is classified under tariff item 2921.43.00.
3-Chloro-o-toluidine
3-Chloro-o-toluidine is a chlorinated derivative of o-toluidine, a chemically defined aromatic monoamine. It is used as an intermediate in the production of dyes and pigments. This compound falls under tariff item 2921.43.00 as a toluidine derivative.
3-Chloro-o-toluidine Anti-Dusting Grade
Anti-dusting grade 3-Chloro-o-toluidine contains a silica flow agent to prevent airborne particles during handling. The additive is permitted under Chapter 29 note 1(g) as it facilitates safe handling without altering the product's general use. It remains classified as a toluidine derivative under tariff item 2921.43.00.