Maltose CAS No. 69-79-4
Maltose is a naturally occurring disaccharide composed of two glucose units linked by an α-(1→4) glycosidic bond. It is commonly produced through the enzymatic breakdown of starch and is valued for its mild sweetness and functional properties in food formulations. Compared with sucrose, maltose generally provides a less intense sweet taste and exhibits distinct crystallization behavior in aqueous systems. It can be combined with dextrose in bakery products and instant food preparations to support flavor development and product texture. Maltose is also used as a carbohydrate ingredient in syrup formulations, including pancake syrups, as well as in various confectionery and processed food applications. Its suitability for specific products depends on the formulation, concentration, and processing conditions.
| Melting point | 110 °C |
| Boiling point | 397.76°C (rough estimate) |
| density | 1.5400 |
| refractive index | n |
| storage temp. | 2-8°C |
| solubility | Very soluble in water; very slightly soluble in cold ethanol (95%); practically insoluble in ether. |
| pka | 12.39±0.20(Predicted) |
| form | Solid |
| color | White to off-white |
| PH | 4.0-6.5 (25℃) |
| Optical Rotation | +111.7 → +130.4 |
| Water Solubility | 310.3g/L(20 ºC) |
| λmax | λ: 260 nm Amax: 0.08 λ: 280 nm Amax: 0.07 |
| Merck | 13,5736 |
| BRN | 93798 |
| Stability: | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Cosmetics Ingredients Functions | SKIN CONDITIONING MOISTURISING FRAGRANCE |
| Cosmetic Ingredient Review (CIR) | Maltose (69-79-4) |
| InChI | 1S/C12H22O11/c13-1-3-5(15)6(16)9(19)12(22-3)23-10-4(2-14)21-11(20)8(18)7(10)17/h3-20H,1-2H2/t3-,4-,5-,6+,7-,8-,9-,10-,11,12-/m1/s1 |
| InChIKey | GUBGYTABKSRVRQ-PICCSMPSSA-N |
| SMILES | OC[C@H]1O[C@H](O[C@H]2[C@H](O)[C@@H](O)C(O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@@H]1O |
| LogP | -3.391 (est) |
| CAS DataBase Reference | 69-79-4(CAS DataBase Reference) |
| NIST Chemistry Reference | D-Glucose, 4-o-«alpha»-D-glucopyranosyl-(69-79-4) |
| EPA Substance Registry System | D-Glucose, 4-O-.alpha.-D-glucopyranosyl- (69-79-4) |
| WGK Germany | - |
| TSCA | TSCA listed |
| Storage Class | 10 - Combustible liquids |
Maltose is a disaccharide carbohydrate utilized in a variety of food and pharmaceutical formulations. In certain medical preparations, it can serve as a carbohydrate component, with its suitability depending on the formulation and the patient's clinical requirements. Crystalline maltose is also used as a tablet excipient in direct-compression manufacturing, making it suitable for both chewable and conventional tablets. Its functional properties support its use in pharmaceutical formulations where consistent processing and product quality are important.
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