Product Description
Dextran is a glucose polymer mainly linked by α-1,6 bonds, produced by Leuconostoc mesenteroides and related bacteria.
It is used in bioreactors, size-exclusion chromatography, and osmotic stress studies, and can also stabilize metal nanoparticles against oxidation.
Different molecular weights are used in medical applications; for example, Dextran 70 stays in the bloodstream to maintain plasma oncotic pressure but may inhibit platelet aggregation and promote fibrinolysis at high doses.
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Chemical Properties
| Product Name: | Dextran |
| Synonyms: | Dextran 75,000 Mw, Pryogen Free;Dextrane2000;Dextran, high fraction, for biochemistry;MUCROSE;NATIVE DEXTRAN;POLY[(1,6)-ALPHA-D-GLUCOSE];DEXTRAN,150,000,POWDER;DEXTRAN,250,000,POWDER |
| CAS: | 9004-54-0 |
| MF: | C17H32O10 |
| MW: | 396.42998 |
| EINECS: | 232-677-5 |
| Product Categories: | Other APIs;Carbohydrates & Derivatives;Inhibitors;Intermediates & Fine Chemicals;Pharmaceuticals;Dextrins、Sugar & Carbohydrates;Carbohydrates D-FAlphabetic;DA - DHBiochemicals and Reagents;Biostabilization AgentsCarbohydrates;Biostabilization AgentsBiochemicals and Reagents;Carbohydrates A to;Carbohydrates D-FBiochemicals and Reagents;Biochemicals and Reagents;Carbohydrates;Polysaccharide;DA - DHPolymer Standards;Alphabetic;D;Dextran;Water Soluble Polymers;DextranChromatography;DIN StandardsCertified Reference Materials (CRMs);Application CRMs;Polymer Standards;Biostabilization AgentsResearch Essentials;CarbohydratesBiochemicals and Reagents;Stabilization of Biomolecules;Core Bioreagents;Organic SolublePolymer Standards;Polymer Standards Kits;Water Soluble;Cell Separation (Centrifugation) MediaResearch Essentials;Centrifugation Media;Hematology and Histology |
| Mol File: | 9004-54-0.mol |
| Melting point | 483 °C (decomp) |
| Alpha | 198 º |
| Density | 1.00-1.20g/mL |
| Refractive index | 185 ° (C=6, H2O) |
| Storage temp | 2-8°C |
| Solubility | H2O: soluble50mg/mL, clear to very slightly hazy, colorless to faintly yellow |
| Form | Solid |
| Color | White to slightly off-white |
| PH | 46063 |
| Biological source | bacterial (Leuconostoc mesenteroides) |
| Optical activity | +208 to +233 (formaldehyde) |
| Water Solubility | Soluble in water, dimethyl sulfoxide, ethylene glycol and glycerol. |
| Merck | 142948 |
| Stability | Stable. Keep dry. Incompatible with strong oxidizing agents. |
| LogP | -4.259 (est) |
| EPA Substance Registry System | Dextran (9004-54-0) |
| Absorption | ≤0.05 at 375nm in H2O at 10% |
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Product Application
Kojic acid (CAS No. 501-30-4) has broad applications in multiple industries. In cosmetics, it is widely used in whitening creams and skincare products due to its ability to inhibit tyrosinase activity and provide antioxidant effects, helping reduce pigmentation and freckles. It is also added to sunscreen formulations to improve UV protection.
In the food industry, its antioxidant and antibacterial properties help preserve fruits, vegetables, and meat, and maintain the color of processed foods such as fruit juices. In pharmaceuticals, kojic acid is used in treating hyperpigmentation conditions like melasma and may also act as an antibacterial and anti-inflammatory ingredient in topical preparations.
In addition, it is used in agriculture as a plant growth regulator and in industrial applications as an antioxidant and metal ion chelating agent.
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