Cyclohexapentylose

Details:

Product Name:    Cyclohexapentylose
31,32,33,34,35,36,37,38,39,40,41,42-dodecol, 5,10,15,20,25,30-hexakis(hydroxymethyl)-;Alfadex;alpha-Cycloamylose
CAS:    10016-20-3
MF:    C36 H60 O30
MW:    972.84
EINECS:    233-007-4

Melting point     >278 °C (dec.) (lit.)
alpha     [α]D25 +146～+151° (c=1, H2O) (After Drying)
Boiling point     784.04°C (rough estimate)
density     1.2580 (rough estimate)
refractive index     1.7500 (estimate)
storage temp.     Store at RT.
solubility     H2O: 50 mg/mL
pka    11.77±0.70(Predicted)
form     powder
color     White
PH    5.0-8.0 (1% in solution)
optical activity    [α]20/D +136±3°, c = 10% in H2O
Water Solubility     Soluble in water at 1%(w/v)
Merck     14,2718
BRN     4227442
Stability:    Stable. Combustible. Incompatible with strong oxidizing agents.
InChIKey    HFHDHCJBZVLPGP-RWMJIURBSA-N

Uses    also available in pharma grade
Uses    A naturally occuring clathrate.
Production Methods    Cyclodextrins are manufactured by the enzymatic degradation of starch using specialized bacteria. For example, β-cyclodextrin is produced by the action of the enzyme cyclodextrin glucosyltransferase upon starch or a starch hydrolysate. An organic solvent is used to direct the reaction that produces β-cyclodextrin, and to prevent the growth of microorganisms during the enzymatic reaction. The insoluble complex of β-cyclodextrin and organic solvent is separated from the noncyclic starch, and the organic solvent is removed in vacuo so that less than 1 ppm of solvent remains in the β-cyclodextrin. The β-cyclodextrin is then carbon treated and crystallized from water, dried, and collected.

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