Casein Protein Isolate

Casein protein isolate is precipitated from skim milk, yielding a slow-digesting protein powder over 90% pure used in micellar formulations for muscle recovery. HTS 3504.00.10.00 covers it as a dairy-derived protein isolate, nesoi, distinct from renneted caseins in other headings. Its application in supplements and cheese production underscores its versatility.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China5%+17.5%22.5%
🇲🇽Mexico5%+10.0%15%
🇨🇦Canada5%+10.0%15%
🇩🇪Germany5%+10.0%15%
🇯🇵Japan5%+10.0%15%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3501.90Lower: 16% vs 22.5%

If casein in natural form without high isolation processing

Caseins and caseinates prepared for specific uses stay in heading 3501.

0403.90Higher: 27% vs 22.5%

If retaining yogurt or fermented milk characteristics

Dairy products like sour cream substitutes fall under Chapter 4.

3502Lower: 10% vs 22.5%

If classified as egg albumins but analogous for milk

Other milk albumins without isolate purity in heading 3502.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

• Differentiate from unmodified caseinates with solubility and purity certificates

• Milk protein documentation required; watch for anti-dumping duties on dairy

• Ensure no therapeutic claims to avoid Chapter 30 pharmaceutical scrutiny

Related Products under HTS 3504.00.10.00

Whey Protein Isolate Powder

Whey protein isolate is a highly purified form of whey protein extracted from milk, containing at least 90% protein by weight after removal of fats, lactose, and other non-protein components. It falls under HTS 3504.00.10.00 as a protein isolate, nesoi, derived from dairy sources and used primarily as a dietary supplement. This classification applies to isolates prepared through processes like microfiltration or ion exchange.

Soy Protein Isolate

Soy protein isolate is produced by extracting protein from soybeans through alkaline extraction and acid precipitation, yielding a product with over 90% protein content and minimal soy carbohydrates or fiber. Classified under HTS 3504.00.10.00 as a protein isolate from vegetable sources, it is widely used in meat alternatives, bakery products, and nutritional shakes. The isolation process distinguishes it from lower-concentration soy concentrates.

Pea Protein Isolate

Pea protein isolate is isolated from yellow peas via wet fractionation, resulting in a minimum 85-90% protein powder free of starch and fiber. It is categorized under HTS 3504.00.10.00 as a nesoi protein isolate, popular in plant-based vegan supplements and meat analogs due to its complete amino acid profile. The high purification level qualifies it distinctly from pea protein concentrates.

Rice Protein Isolate

Rice protein isolate is derived from brown rice through enzymatic hydrolysis and separation, achieving 90%+ protein purity hypoallergenic for sensitive consumers. Under HTS 3504.00.10.00, it serves as a clean-label ingredient in hypoallergenic formulas, bars, and beverages. Its isolation removes rice bran oils and carbs, aligning with protein isolate definitions.

Collagen Protein Isolate (Bovine)

Bovine collagen protein isolate is hydrolyzed from cow hides or bones to >90% protein peptides for joint health supplements and cosmetics. It qualifies under HTS 3504.00.10.00 as a nesoi protein isolate from animal sources, excluding chromed hide powder. The high purity and solubility make it ideal for beverages and skincare.

Hemp Seed Protein Isolate

Hemp protein isolate is extracted from hemp seeds via mechanical pressing and aqueous separation, providing 90% protein rich in omega-3s. Under HTS 3504.00.10.00, it is a plant-derived protein isolate used in vegan nutrition and baking. THC-free processing ensures compliance for food use.