CAS 137-30-4 1,8-Naphthalenediamine Powder from China
Pure powdered 1,8-naphthalenediamine (CAS 137-30-4) is an aromatic polyamine essential for synthesizing azo dyes and rubber antioxidants. It is classified under tariff item 2921.59.00 as an 'other' aromatic polyamine derivative.
Duty Rate — China → Canada
0%
Import Tips
• Include the CAS number and purity percentage in the import documentation
• Ensure the powder is free of solvents or additives that could change classification
• Check if the product is subject to any chemical safety regulations