Diphenylguanidine (DPG) Rubber Accelerator DPG
Diphenylguanidine (DPG) is a commercial-grade rubber accelerator used in vulcanization processes, with purity typically 95-99% and stabilizers permitted under Chapter 29 notes. Its guanidine structure with imine functionality qualifies it under this tariff item for other imines and their derivatives.
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 |
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
• Specify the commercial grade and any stabilizers added on the invoice to align with Chapter 29 allowances
• Confirm whether the product meets Canadian rubber industry standards for import
• Maintain a certificate of analysis showing purity and stabilizer content for customs review
Related Products under Tariff item 2925.29.00
1,3-Di-o-tolylguanidine
1,3-Di-o-tolylguanidine is an aromatic guanidine derivative used as a rubber accelerator and curing agent in industrial applications. Its guanidine structure with imine functionality qualifies it under this tariff item for other imines and their derivatives.
3-Dimethylaminomethyleneiminophenol Hydrochloride
3-Dimethylaminomethyleneiminophenol hydrochloride is a hydrochloride salt of an aromatic imine derivative used in organic synthesis and as an intermediate for dyes and pharmaceuticals. Its imine-function structure qualifies it under this tariff item for other imines and their derivatives.
Aprindine Hydrochloride API
Aprindine hydrochloride is an aromatic imine antiarrhythmic drug used for ventricular arrhythmias, imported as a bulk API for pharmaceutical manufacturing. Its hydrochloride salt form with imine functionality qualifies it under this tariff item for other imines and their derivatives.
Bunamidine Hydrochloride
Bunamidine hydrochloride is an anthelmintic drug used in veterinary medicine to treat intestinal worms in animals. It is a chemically defined organic compound with an imine structure and is presented as a salt, which falls under the tariff item for other imines and their derivatives.
Bunamidine Hydrochloride BP Veterinary Grade
Bunamidine hydrochloride BP grade is a high-purity veterinary anthelmintic used for deworming livestock and companion animals. As a chemically defined imine salt, it is correctly classified under this tariff item for other imines and their derivatives.
Bunamidine Hydrochloride Powder 98% Pure
Bunamidine hydrochloride powder at 98% purity is a chemically defined imine salt used as an active ingredient in veterinary deworming formulations. It qualifies under this tariff item as an imine derivative with a salt form, consistent with Chapter 29 rules for separate chemically defined compounds.