o-Phenylenediamine Dihydrochloride
>- o-Phenylenediamine dihydrochloride is the dihydrochloride salt of o-phenylenediamine, used in pharmaceutical synthesis and as an analytical reagent. Under Chapter 29 note 5(C)(1), inorganic salts of organic compounds are classified with the parent organic compound, so this salt falls under tariff item 2921.51.00.
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 salt is not derived from a named compound
Other aromatic polyamine salts not elsewhere specified are classified under this residual heading.
If imported as a laboratory reagent in measured doses
Diagnostic or laboratory reagents may be 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
• >- Classify this salt under 2921.51.00 as a salt of o-phenylenediamine, per Chapter 29 note 5(C)(1)
• Provide the chemical name and CAS number to the CBSA to avoid misclassification
• Verify if the product is on the Domestic Substances List (DSL) to determine if a CEPA import notification is required
Related Products under Tariff item 2921.51.00
1,4-Diaminobenzene (p-Phenylenediamine Base)
>- 1,4-Diaminobenzene (p-phenylenediamine base) is used in photographic chemicals and dyes. It is specifically named in tariff item 2921.51.00, which covers p-phenylenediamine and its derivatives and salts.
2,4-Diaminotoluene (2,4-TDA)
>- 2,4-Diaminotoluene (2,4-TDA) is a diaminotoluene isomer used in polyurethane elastomers, dyes, and hair colorants. It is specifically named in tariff item 2921.51.00, which covers diaminotoluenes and their derivatives and salts.
2,4-Diaminotoluene (2,4-Toluenediamine)
>- 2,4-Diaminotoluene (2,4-toluenediamine) is a diaminotoluene isomer used in dyes, polymers, and as a chain extender. It is specifically named in tariff item 2921.51.00, which covers diaminotoluenes and their derivatives and salts.
2,4-Diaminotoluene Sulfate
2,4-Diaminotoluene sulfate is a salt of diaminotoluene, an aromatic polyamine, used as an intermediate and stabilizer in photographic chemical formulations, particularly for dye developers. As a chemically defined organic compound with an added sulfate group, it falls under tariff item 2921.51.00, which covers o-, m-, p-phenylenediamine, diaminotoluenes, and their derivatives and salts.
2,5-Diaminotoluene Sulfate
>- 2,5-Diaminotoluene sulfate is a salt used primarily in permanent hair coloring formulations. Under Chapter 29 note 5(C)(1), salts of organic compounds are classified with the parent compound, so this salt of a diaminotoluene falls under tariff item 2921.51.00.
2,6-Diaminotoluene
>- 2,6-Diaminotoluene is a diaminotoluene isomer used as a dye intermediate and polymer modifier. It is a diaminotoluene derivative explicitly named in tariff item 2921.51.00, which covers diaminotoluenes and their derivatives and salts.