4,4'-Biphenol Technical Grade Powder from Japan
Technical grade 4,4'-Biphenol powder (98-99% purity) is a chemically defined polyphenol used in antioxidant formulations and liquid crystal production. It is a separate chemically defined organic compound, falling under the 'Other' polyphenols; phenol-alcohols subheading.
Duty Rate — Japan → Canada
0%
Import Tips
• Declare the CAS number (92-88-6) and the purity (98-99%)
• Ensure any impurities are incidental and do not alter the chemical identity
• If used in liquid crystal production, specify the end-use to support classification