Phosphorylated Casein Derivative
Phosphorylated casein derivative is casein chemically modified by adding phosphate groups, enhancing mineral absorption for use in nutritional supplements. It is classified under tariff item 3501.90.00 as an 'other' casein derivative, as it is a chemical modification of casein and not excluded by Chapter 35 notes.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is unmodified casein
Unmodified casein is classified specifically under casein, not derivatives.
If the product is put up as a medicament
Section note 2 classifies medicaments in Chapter 30 over other headings.
If the product is a peptone or other protein substance not specifically casein
Other protein derivatives may fall under heading 35.04.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Maintain documentation showing the phosphorylation process and the degree of substitution to support classification
• Verify that the product is not a medicament of Chapter 30, as section note 2 would override classification
• Consult with the CBSA in advance if the product is intended for therapeutic use, as this may change classification
Related Products under Tariff item 3501.90.00
Acid Casein Hydrolyzed Derivative
Acid casein hydrolyzed derivative undergoes acid precipitation followed by hydrolysis for use in adhesives and nutrition. It is a casein derivative, not a glue, and falls under tariff item 3501.90.00 as 'Other'.
Calcium Caseinate Emulsifier
Calcium caseinate is a casein salt derivative valued for its emulsifying properties in non-dairy creamers and nutritional supplements. It is a casein derivative, not a glue, and is classified under tariff item 3501.90.00.
Casein Bookbinding Glue
A traditional protein glue derived from casein, used in bookbinding for spine adhesion and lay-flat properties in hardcover books. It is a casein glue, not a gelatin product of the printing industry, and therefore falls under tariff item 3501.90.00.
Casein Furniture Assembly Glue
A heavy-duty casein glue for assembling wooden furniture frames, known for its strength and compatibility with steam bending processes. It is a casein glue, not a hardened protein, and is classified under tariff item 3501.90.00.
Casein-Glutathione Conjugate
Casein-glutathione conjugate covalently links antioxidant tripeptide to casein for functional beverages and oxidative stress protection. It is a conjugated protein derivative, not a simple mixture, and falls under tariff item 3501.90.00.
Casein Hydrolysate Powder
Casein hydrolysate is produced by enzymatic breakdown of casein into peptides for use in hypoallergenic infant formulas and sports nutrition. It is a casein derivative through hydrolysis, not a glue, and falls under tariff item 3501.90.00.