Naphthalic Anhydride Technical Grade Powder from China
Technical-grade naphthalic anhydride powder (95-98% purity) is a separate chemically defined aromatic polycarboxylic anhydride used in general chemical synthesis. The technical grade may contain impurities, but they are incidental and do not affect classification under heading 29.17.
Duty Rate — China → Canada
0%
Import Tips
• The technical grade is acceptable as long as the impurities are not intentionally added
• Ensure the product is not mixed with other substances that could change its classification
• Provide the CAS number and a certificate of analysis if the CBSA requests it