p-Isopropoxydiphenylamine (UOP 288)
p-Isopropoxydiphenylamine is a substituted diphenylamine derivative with an isopropoxy group on one aromatic ring, used as a high-performance antioxidant in synthetic rubber and plastics. It is classified under tariff item 2921.44.00 as a derivative of diphenylamine, which includes salts and derivatives of the base 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 |
PGA flags (1)Show detailsHide detailsHCActive Pharmaceutical IngredientsMay be required
- HC
Active Pharmaceutical Ingredients · May be required
May require HC Active Pharmaceutical Ingredients depending on intended use (HC13) and Canadian product category (HC01). Matching criteria: Starts With 2921. Logic: MATCH IF (Valid HS Code) AND (Intended Use Code) AND (Valid Canadian Product Category).
CBSA Single Window matching criteria, unknown
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 substitution pattern places it outside diphenylamine derivatives
Other aromatic monoamines and derivatives not specifically covered by diphenylamine subheading.
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Import Tips & Compliance
• Confirm the purity and chemical structure of the product, as impurities or additional functional groups may change classification
• Have a certificate of analysis ready for CBSA inspection
• Check if the product is subject to any chemical control regulations under Canadian environmental laws
Related Products under Tariff item 2921.44.00
2,2'-Dihydroxydiphenylamine
2,2'-Dihydroxydiphenylamine is a diphenylamine derivative with hydroxy groups at the 2 and 2' positions relative to the nitrogen bridge, used as a photographic developer intermediate. It is classified under tariff item 2921.44.00 as a derivative of diphenylamine, which includes substituted diphenylamine compounds and their salts.
2,4-Dinitrodiphenylamine
2,4-Dinitrodiphenylamine is a nitro-substituted derivative of diphenylamine used as an intermediate in pharmaceutical and agrochemical production. It is classified under tariff item 2921.44.00 as a derivative of diphenylamine, provided it is a separate chemically defined compound.
2-Nitrodiphenylamine
2-Nitrodiphenylamine is a nitro derivative of diphenylamine with the nitro group at the ortho position. It is used in organic synthesis and as a rubber antioxidant, and is classified under tariff item 2921.44.00 as a diphenylamine derivative.
4,4'-Bis(α,α-dimethylbenzyl)diphenylamine
4,4'-Bis(α,α-dimethylbenzyl)diphenylamine is a sterically hindered aromatic amine used primarily as an antioxidant and stabilizer in rubber and polymer production. It is a derivative of diphenylamine, which falls under tariff item 2921.44.00, and is imported in bulk for industrial compounding.
4,4'-Di-alpha-cumyl Diphenylamine
4,4'-Di-alpha-cumyl Diphenylamine is a sterically hindered diphenylamine derivative acting as a premium antioxidant for natural and synthetic rubber. It is a diphenylamine derivative and falls under tariff item 2921.44.00.
4,4'-Dinitrodiphenylamine Technical Grade
Technical grade 4,4'-dinitrodiphenylamine is used in explosive manufacturing and as a corrosion inhibitor. While primarily dinitro, certain batches that are chemically defined as mononitro-dominant may fall under tariff item 2921.44.00 as diphenylamine derivatives.