4-Ethylguaiacol 99%+ USP Grade from United States
4-Ethylguaiacol is a chemically defined ether-phenol compound with the molecular formula C9H12O2, featuring a guaiacol structure with an ethyl substituent at the 4-position. Ultra-pure grade meeting USP standards remains a separate chemically defined compound per Chapter 29 note (a). This product falls under tariff item 2909.50.00.
Duty Rate — United States → Canada
0%
Import Tips
• Declare the product as a chemically defined ether-phenol under 2909.50.00
• Ensure the product is not put up in measured doses or for retail sale
• Provide a certificate of analysis confirming USP grade purity