D(+)-Cellobiose, 5 g
Molar mass (M) 342,29 g/mol
Density (D) 0,5 g/cm³
Melting point (mp) 225 °C
CAS No. [528-50-7]
excl. VAT. | 5 g per Pack Qty.
Art. No. 5840.1
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|pKa (at 25 °C)||≥98 %|
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Whereas mono-, di- and oligosaccharides are soluble in water, taste sweet and are therefore called as sugar, polysaccharides are hardly, or not at all, soluble in water and have a neutral taste.
Carbohydrates, together with fats and proteins make up a large percentage of nutrition. In addition to their central role as an energy source, they are also an important structural component especially in plants (e.g. Cellulose). Ribose, a monosaccaride with five carbons (C5H10O5) is an essential element of coenzymes (such as ATP, FAD and NAD) and a structural component of RNA. Desoxyribose (a ribose derivative) is a structural component of DNA.
|Appearance||white to almost white, cryst. powder|
|Assay (HPLC)||≥98.0 %|
|Specific rotation [α]a (c=1 in H2O , 15 h)||+33° to +35°|
|Loss on drying (3 h, 110 °C)||≤2,0 %|
|Solution (5 % in H2O)||colourless|
|Heavy metals (as Pb)||≤0,001 %|