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D(+)-Trehalose dihydrate, 25 g

D(+)-Trehalose dihydrate, 25 g

SKU 8897.2
€ 102,98
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D(+)-Trehalose dihydrate, 25 g
Product Details
HS code: 29400000
Brand: Carl Roth
D(+)-Trehalose dihydrate, min. 98 %, CELLPURE®, Molar mass (M) 378,24 g/mol, CAS No. [6138-23-4], EG-Nr. 202-739-6, Empirical formula C12H22O11 · 2 H2O


D(+)-Trehalose dihydrate CELLPURE® ≥98 %

Technische informatie
Endotoxinegehalte ≤2,4 E.U./g
Sugar (Carbohydrates)

Carbohydrates or Saccharides make up 50 % of the dry biomass of the earth and are therefore the most frequent class of biomolecules. Besides at least two hydroxy groups, they also have an aldehyde or a ketone group and can be subdivided according to the number of monomeric components in mono-, di-, oligo and polysaccharides.



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.


Disaccharides

Disaccharides consist of two monosaccharide units. These are interlinked covalently via a glycocide bond. The most familiar representatives are saccharose, lactose and maltose.


Endotoxins ≤2,4 E.U./g
Appearance white to off-white, cryst. powder
Assay 98,0-101,0 %
pH value (10 % in H2O) 4,5-6,5
Water (KF) 9,0-11,0 %
Specific rotation [α]20D (c=10 in H2O) +197° to +201°
Ash content ≤0,1 %
Chloride (Cl) ≤0,05 %
Sulphate (SO4) ≤0,05 %
Total nitrogen (as N) ≤0,005 %
Ethanol ≤0,5 %
Methanol ≤0,5 %
Arsenic (As) ≤0,0001 %
Cadmium (Cd) ≤0,0001 %
Mercury (Hg) ≤0,00001 %
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