Ammonium Pentaborate Solution from United States
Ammonium pentaborate solution (20-40% concentration) is a chemically defined inorganic compound used as a fire retardant and boron supplement in agriculture. It qualifies as an 'other borate' under this tariff item because it is not a sodium borate and meets the Chapter 28 criteria for separate chemically defined compounds in solution.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the solution concentration is clearly stated on the commercial invoice to verify classification
• Provide a safety data sheet (SDS) as boron compounds may be subject to health and safety checks
• Confirm the solvent is water or a transport-only solvent to meet Chapter 28 Note 1(c)