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31178-70-8

31178-70-8 structural image
Product Name: D-Xylose
Formula: C5H10O5
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Yellowish-white solid; [Merck Index] Light brown powder; [MSDSonline]
Color/Form Coarse or fine powder, yellowish white
Odor Practically odorless
Taste Mucilaginous taste
Melting Point 153-154 °C
Solubility DISSOLVES IN 20 PARTS OF WATER
Density 1.525 @ 20 °C/4 °C
Stability/Shelf Life IN COLD ACID SOLN IT IS MORE STABLE; PROLONGED HEATING OF SUCH SOLN CAUSES HYDROLYSIS
Optical Rotation Specific optical rotation: +92 deg & +18.6 deg (16 hr, 10%) @ 20 °C/D
Decomposition When heated to decomposition, it emits acrid smoke and irritating fumes.
pH Acid to litmus
Dissociation Constants pKa = 12.14 @ 18 °C
Other Experimental Properties IN WATER RESULTING COLLOIDAL SOLN IS VISCOUS & OPALESCENT & ACIDIC
Chemical Classes Biological Agents -> Plant Oils and Extracts

COMPUTED DESCRIPTORS

Molecular Weight 150.13 g/mol
XLogP3 -2.3
Hydrogen Bond Donor Count 4
Hydrogen Bond Acceptor Count 5
Rotatable Bond Count 4
Exact Mass 150.05282342 g/mol
Monoisotopic Mass 150.05282342 g/mol
Topological Polar Surface Area 98 Ų
Heavy Atom Count 10
Formal Charge 0
Complexity 104
Isotope Atom Count 0
Defined Atom Stereocenter Count 0
Undefined Atom Stereocenter Count 3
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 1
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

description

2,3,4,5-tetrahydroxypentanal is a pentose, a polyol and a hydroxyaldehyde.