OTG 1,3-Di-o-Tolylguanidine Accelerator from Canada
OTG (1,3-Di-o-tolylguanidine) is the commercial designation for this HTS 2925.29.18.00 enumerated compound used in low-temperature rubber curing. Offers superior solubility compared to DPG in synthetic rubber compounds. Aromatic imine structure confirmed by standard analytical methods.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit trade name/synonym list including OTG with chemical structure verification
• Certify o-methyl substitution via GC-MS to distinguish from other tolylguaidines
• Avoid anti-dusting agent additions exceeding chapter note (g) limitations