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Sodium Carboxymethylcellulose (NaCMC)

Water-soluble cellulose ether derivative in powder form for various industries. HTS 3912.90.00 for other derivatives.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China5.2%+37.5%42.7%
🇲🇽Mexico5.2%+10.0%15.2%
🇨🇦Canada5.2%+10.0%15.2%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

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.

3912.39.00Lower: 41.7% vs 42.7%

If specific cellulose ether subheading

95% monomer content triggers specific classification.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• DS value documentation differentiates from specific codes

• Viscosity grade specifications

• Bulk vs retail packaging affects potential reclassification