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Pharmaceutical Excipient CMC 12M8P

High-purity CMC 12M8P (medium viscosity, pharma grade) for sustained-release tablets. HTS 3912.31.00 covers this carboxymethylcellulose salt in primary form.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
๐Ÿ‡จ๐Ÿ‡ณChina6.4%+37.5%43.9%
๐Ÿ‡ฒ๐Ÿ‡ฝMexico6.4%+10.0%16.4%
๐Ÿ‡จ๐Ÿ‡ฆCanada6.4%+10.0%16.4%
๐Ÿ‡ฉ๐Ÿ‡ชGermanyFree+10.0%10%
๐Ÿ‡ฏ๐Ÿ‡ตJapanFree+12.5%12.5%

Alternative Classifications

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

3912.39.00Lower: 41.7% vs 43.9%

If hydroxypropyl substitution added

Becomes chemically modified, classified as 'Other' per notes.

Not sure which classification is right?

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

Import Tips & Compliance

โ€ข Provide DMF reference number; test for microbial limits; import under 'not for direct food use' if industrial traces present

Related Products under HTS 3912.31.00

Sodium Carboxymethylcellulose (CMC) Powder

Sodium carboxymethylcellulose is a water-soluble cellulose ether derived from cellulose, used as a thickener and stabilizer in food and pharmaceuticals. It falls under HTS 3912.31.00 as it is explicitly carboxymethylcellulose and its salts in primary form, meeting the 95% monomer content requirement for classification.

Carboxymethylcellulose Sodium USP Grade

Pharmaceutical-grade sodium carboxymethylcellulose used in eye drops and tablet binders, supplied as a fine white powder. Classified under HTS 3912.31.00 for carboxymethylcellulose salts in primary forms, not further processed into articles.

CMC Food Grade Type 7F

Food-grade carboxymethylcellulose sodium (Type 7F) with medium viscosity, used in ice cream and gluten-free baking as stabilizer. HTS 3912.31.00 applies to this primary form cellulose ether salt without further processing.

Carboxymethylcellulose Calcium Salt

Calcium salt of carboxymethylcellulose used in low-sodium formulations and as a suspending agent. Falls squarely under HTS 3912.31.00 as a carboxymethylcellulose salt in primary powder form.

Industrial CMC LV (Low Viscosity)

Low viscosity sodium carboxymethylcellulose for detergents, paper coatings, and textiles. Classified in HTS 3912.31.00 as primary form cellulose ether salt per polymer content rules.

Sodium CMC for Toothpaste Grade

Specialty sodium carboxymethylcellulose for toothpaste thickening, providing suspension and stability. Primary form classification under HTS 3912.31.00 as CMC salt.