HS Code for Casein

Casein is classified under HS code 3501.10. This substance is the primary protein found in milk and is isolated through a process of precipitation. Chapter 35 covers albuminoidal substances, modified starches, glues, and enzymes. Heading 3501 specifically includes casein, caseinates, and other casein derivatives. The classification 3501.10 is reserved for the raw casein protein, which can be produced via acid precipitation (acid casein) or through the action of enzymes like rennet (rennet casein). The classification logic depends on the degree of isolation and the chemical nature of the product. While milk and dairy products are generally found in Chapter 4, once the protein is extracted to the point where it is a distinct industrial or chemical raw material, it is moved to Chapter 35. Casein is used in a wide variety of applications, from food additives and nutritional supplements to industrial uses like the production of plastics, paints, and adhesives. To be classified under 3501.10, the product must meet the chemical definition of casein and not be a more complex food preparation or a derivative like a caseinate. The distinction between casein and its salts is critical for correct classification, as the salts are diverted to a different subheading. The purity and the absence of other milk constituents like lactose or milk fat are key indicators for classification in this heading.

Products Included

• Acid casein (industrial or food grade)
• Rennet casein
• Lactic casein
• Casein in powder or granular form
• Isolated milk protein (casein-based)

Common Misclassification

Casein is often misclassified under HS code 0404.10 (whey proteins), but whey and casein are different protein fractions of milk. Another common error is using 3501.90, which is reserved for caseinates (the salts of casein) and other derivatives. If the product is a prepared food supplement containing other ingredients like vitamins or fats, it might be classified under 2106.90. Additionally, casein glues are sometimes confused with pure casein; while both are in heading 3501, glues are specifically under 3501.90.

FAQ

What is the HS code for casein?

The HS code for casein is 3501.10. This includes various types of precipitated casein protein.

Is edible casein classified differently from industrial casein?

No, both edible and industrial grade casein are classified under 3501.10, provided they meet the chemical description of the protein and are not further modified into salts.