Dextran Powder
Dextran powder is a bacterial polysaccharide produced by fermentation of sucrose using Leuconostoc species. It is used as a plasma volume expander in pharmaceuticals and in laboratory reagents. As a natural polymer in primary powder form, it falls under tariff item 3913.90.00.
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 dextran is presented as a pharmaceutical product
Pharmaceutical-grade dextran solutions or preparations are classified in Chapter 30.
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
• Confirm the dextran is not chemically modified beyond its natural form, as derivatives may be classified elsewhere
• Provide documentation of the fermentation process and molecular weight range
• If used in pharmaceuticals, ensure compliance with Health Canada regulations
Related Products under Tariff item 3913.90.00
Carboxymethyl Guar Gum
Carboxymethyl guar gum is a chemically modified derivative of guar gum, a natural polysaccharide. The carboxymethylation enhances water solubility, making it suitable for cosmetics, oil recovery, and food applications. It is supplied in primary powder form and falls under tariff item 3913.90.00 as a modified natural polymer.
Chitosan Powder
Chitosan powder is a deacetylated derivative of chitin, a natural polysaccharide obtained from crustacean shells. It is used in water treatment, wound care, and agricultural applications. Supplied in primary powder form, it is classified under tariff item 3913.90.00 as a modified natural polymer.
Gellan Gum
Gellan gum is a high-molecular-weight polysaccharide produced by bacterial fermentation (Sphingomonas elodea). It is used as a gelling agent in food, pharmaceuticals, and microbiological media. Supplied in primary powder form, it is classified under tariff item 3913.90.00 as a natural polymer.
Guar Gum Powder
Guar gum powder is a galactomannan polysaccharide extracted from guar beans (Cyamopsis tetragonoloba). It is used as a thickener in food, hydraulic fracturing, and textile processing. As a natural polymer in primary powder form, it falls under tariff item 3913.90.00.
Gutta-Percha Resin
Gutta-percha is a natural polymer (trans-1,4-polyisoprene) obtained from Palaquium trees. It is supplied in primary forms such as resin pellets and is used in golf ball covers, dental materials, and electrical insulation. As a natural polymer not elsewhere specified, it falls under tariff item 3913.90.00.
Hydroxyethyl Cellulose
Hydroxyethyl cellulose is a non-ionic cellulose ether produced by reacting cellulose with ethylene oxide. It is used as a thickener in paints, cosmetics, and construction materials. Supplied in primary granular or powder form, it falls under tariff item 3913.90.00 as a chemically modified natural polymer.