Dimethyl Benzylidene Sorbitol (DMDBS) from China
Dimethyl benzylidene sorbitol (DMDBS) is an aromatic heterocyclic compound with oxygen hetero-atoms, chemically defined as Bis-O-[(4-methylphenyl)methylene]-D-glucitol. It is used as a nucleating agent in polypropylene plastics to improve clarity, and falls under tariff item 2932.99.00 as an 'other' oxygen heterocycle.
Duty Rate — China → Canada
0%
Import Tips
• Verify the product is a separate chemically defined compound and not a mixture with other additives, as Chapter 29 applies only to such compounds
• If the product is used as a polymer additive, ensure it is not classified as a plastic additive under Chapter 38
• Provide a technical data sheet to the CBSA to confirm the chemical structure and purity