Sodium Carboxymethylcellulose (CMC) Powder
Sodium carboxymethylcellulose powder is a water-soluble cellulose ether used as a thickener and stabilizer in food and pharmaceuticals. It is explicitly a carboxymethylcellulose salt in primary form, classified under tariff item 3912.31.00.
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 a cellulose ether other than carboxymethylcellulose
Other cellulose ethers are classified under this alternative.
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
• Ensure the product is in powder form and not in solution
• Provide a certificate of analysis (CoA) to confirm CMC content
• Check if the product is for food or pharmaceutical use, as different regulations may apply
Related Products under Tariff item 3912.31.00
Battery Grade Carboxymethylcellulose for Lithium-Ion
Battery-grade carboxymethylcellulose is an ultra-pure CMC powder used as a binder in lithium-ion battery anodes. It is a primary form salt of carboxymethylcellulose, classified under tariff item 3912.31.00.
Carboxymethylcellulose Calcium Salt
Carboxymethylcellulose calcium salt is a cellulose ether derivative in powder form, used as a suspending agent and thickener in low-sodium food and pharmaceutical applications. It falls under tariff item 3912.31.00 as a salt of carboxymethylcellulose, a primary form of cellulose ether.
Carboxymethylcellulose Sodium Salt Granules (High Purity)
Carboxymethylcellulose sodium salt granules are high-purity granules used as tablet binders in pharmaceuticals. They are a primary form of carboxymethylcellulose salt, classified under tariff item 3912.31.00.
Carboxymethylcellulose Sodium USP Grade
Pharmaceutical-grade sodium carboxymethylcellulose is a fine white powder used as a binder in tablets and a viscosity enhancer in eye drops. It is a salt of carboxymethylcellulose in primary form, classified under tariff item 3912.31.00.
CMC 7HOF Food Stabilizer
CMC 7HOF is a high-occupancy food-grade carboxymethylcellulose sodium used as a stabilizer in dairy products and sauces to enhance creaminess without added fat. It is a primary form of carboxymethylcellulose salt, falling under tariff item 3912.31.00.
CMC Food Grade Type 7F
CMC Food Grade Type 7F is a medium-viscosity sodium carboxymethylcellulose used as a stabilizer in ice cream and gluten-free baking. It is a primary form salt of carboxymethylcellulose, classified under tariff item 3912.31.00.