Boric Acid Crystals (H3BO3) from United States
Boric acid (H3BO3) is a weak, monobasic Lewis acid of boron available in white, odorless crystals or powder form, used as an antiseptic and in fire retardants. It is explicitly named in the tariff item as a boric acid. It is a separate chemically defined compound meeting Chapter 28 Note 1(a).
Duty Rate — United States → Canada
0%
Import Tips
• Classify as 2810.00.00 only if the boric acid is pure and not mixed with other substances
• For pharmaceutical use, ensure compliance with Health Canada regulations
• Keep records of the chemical purity to support the classification