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.