Sodium Aluminum Sulfate Hydrate from Mexico
Sodium aluminum sulfate hydrate, also known as soda alum, is a double sulfate salt used in paper manufacturing and as a food additive (SAS). Its structure as a hydrated double sulfate of sodium and aluminum classifies it as an alum under tariff item 2833.30.00. The product is chemically defined and falls within chapter 28's scope, despite its food additive use.
Duty Rate — Mexico → Canada
0%
Import Tips
• For food additive use, ensure compliance with Health Canada's food additive regulations and provide a certificate of analysis
• Clearly state the end-use on customs documents to distinguish from industrial grades
• Keep records of the hydration state, as anhydrous forms may have different classifications