Heading 3501

HTS code 3501 — Casein, caseinates and other casein derivatives; casein glues

Chapter
35 — Glues and enzymes
Tariff lines
4
General duty
General duty rate of 6%, with 1 duty-free line; 2 lines carry a specific or compound duty

Tariff lines under heading 3501

Full 10-digit codes with their general (MFN) duty rates. The correct line depends on the product's material, construction, and use.

HTS codeDescriptionGeneral rateUnit
3501.10.1000Milk protein concentrate (Casein, caseinates and other casein derivatives; casein glues > Casein)0.37¢/kgkg, kg msc
3501.10.5000Other (Casein, caseinates and other casein derivatives; casein glues > Casein)Freekg, kg msc
3501.90.2000Casein glues (Casein, caseinates and other casein derivatives; casein glues > Other)6%kg
3501.90.6000Other (Casein, caseinates and other casein derivatives; casein glues > Other)0.37¢/kgkg, kg msc

Documents required to import under 3501

Customs paperwork typically required to import these goods into the United States. Conditional items depend on shipment value, transport mode, or origin.

  • Commercial InvoiceRequired
  • Packing ListRequired
  • Bill of Lading / Airway BillRequired
  • CBP Entry Summary (7501)Required

    Prepared and filed by your customs broker

  • CBP Entry / Release (3461)Required

    Prepared and filed by your customs broker

  • Customs Bond (CBP 301)Conditional

    Required for formal entries — generally shipments valued over $2,500

    Single-entry or continuous bond, obtained through your broker or a surety

  • Importer Security Filing (ISF "10+2")Conditional

    Required for ocean freight only

    Filed electronically at least 24 hours before loading at the foreign port

  • Importer ID Input Record (CBP 5106)Conditional

    Required to establish or update your importer-of-record number with CBP

    One-time setup for a new importer; not filed per shipment

  • Entry Manifest (CBP 7533)Conditional

    Alternative to the 3461 for informal, low-value, or contiguous-country entries

  • Safety Data Sheet (SDS/MSDS)Required
  • EPA TSCA CertificationConditional

    Required for chemical substances regulated under TSCA

  • EPA Notice of Arrival (Form 3540-1)Conditional

    Required for pesticides and devices (typically Ch. 38)

Common questions

What is HTS code 3501?
HTS heading 3501 covers casein, caseinates and other casein derivatives; casein glues. It sits in Chapter 35 (glues and enzymes) of the US Harmonized Tariff Schedule and contains 4 tariff lines.
What is the duty rate for HTS 3501?
General duty rate of 6%, with 1 duty-free line; 2 lines carry a specific or compound duty. The general rate applies to most-favoured-nation trading partners; goods from countries with a free trade agreement may qualify for a reduced or duty-free special rate.
How many digits does a full HTS code have?
US import entries require the full 10-digit HTS code. Heading 3501 is the first four digits — the remaining six narrow it down to the specific product, which is what determines the duty rate you actually pay.

Related headings in Chapter 35