Carboxymethyl Cellulose Granules
Carboxymethyl cellulose (CMC) granules are water-soluble cellulose ether polymers used as thickeners in food and detergents. Classified in 3912.90.00.90 as other primary cellulose derivatives where CMC monomer units predominate.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If specifically carboxymethylcellulose salts
Sodium carboxymethylcellulose has its own subheading 3912.31, taking precedence.
If blended as modified starch product
Starch graft blends follow predominant monomer under different chapter rules.
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Import Tips & Compliance
• Obtain FDA prior notice for food-grade imports; provide substitution degree specs per subheading notes; segregate from other chemicals to prevent cross-contamination
Related Products under HTS 3912.90.00.90
Cellulose Acetate Flakes
Cellulose acetate flakes are primary form polymers derived from cellulose esterified with acetic acid, containing over 95% cellulose acetate by weight. They are used in the production of films, fibers, and plastics. Classified under 3912.90.00.90 as a cellulose chemical derivative not elsewhere specified in primary form.
Ethylcellulose Powder
Ethylcellulose powder is a cellulose ether derivative in primary granular form, soluble in organic solvents, used in pharmaceuticals and coatings. It meets the criteria for 'other' cellulose derivatives under 3912.90.00.90 due to predominant ethyl cellulose content.
Hydroxypropyl Methylcellulose Pellets
Hydroxypropyl methylcellulose (HPMC) pellets serve as controlled-release agents in pharmaceuticals, a cellulose ether with mixed substituents. Falls under 3912.90.00.90 per subheading note (a)(4) based on predominant cellulose content.
Cellulose Acetate Butyrate Resin
Cellulose acetate butyrate resin is a mixed ester derivative in primary flake form for tool handles and eyeglass frames. Classified as 'other' cellulose derivative under 3912.90.00.90 since mixed esters don't fit specific subheadings.
Cyanoethyl Cellulose Powder
Cyanoethyl cellulose powder, an ether derivative with cyanoethyl groups, used in electronics and adhesives. Meets 3912.90.00.90 as other primary cellulose derivative per predominance rules.
Benzyl Cellulose Granules
Benzyl cellulose granules are cellulose ethers used in lacquers and inks, with benzyl groups predominant. Classified under HTS 3912.90.00.90 for other cellulose derivatives in primary forms.