D(-)-Erythrose
CAS No. 583-50-6 | Molecular Formula: C₄H₈O₄ | Molecular Weight: 120.10
D(-)-Erythrose is a four-carbon sugar with two chiral carbon atoms. It appears as a transparent pale yellow syrup liquid. It has a density of 1.698 g/cm³, boiling point of 290.6 °C (760 mmHg), melting point lower than 25 °C and flash point of 129.5 °C. Its specific optical rotation is -33 (c=2, aqueous solution, 72H).
Soluble in water, ethanol and methanol, this product is widely deployed as a biochemical reagent for life science research.

D-(-)-ERYTHROSE Chemical Properties
| Melting point | <25℃ |
| Boiling point | 144.07°C (rough estimate) |
| Alpha | D20 +1° -14.5° (3 days, c = 11) |
| Density | 1.0500 (rough estimate) |
| Refractive index | 1.498 |
| Storage temp. | 2-8°C |
| Solubility | Methanol, Water |
| Form | syrup |
| Pka | 12.49±0.20(Predicted) |
| Color | light yellow |
| Water Solubility | Fully miscible in water. |
| Sensitive | Hygroscopic |
| Merck | 143,690 |
| BRN | 1721698 |
| CAS DataBase Reference | 583-50-6(CAS DataBase Reference) |
Safety Information
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 24/25-36-26 |
| WGK Germany | 3 |
| F | 3-10 |
| HS Code | 2940000080 |

D-(-)-Erythrose is a naturally occurring tetrose carbohydrate with two chiral carbon centers, featuring stable stereochemical properties and defined optical activity. Supplied as a transparent pale yellow syrupy liquid, it exhibits excellent solubility in water, ethanol and methanol. Thanks to its reliable chiral characteristics, it serves as a premium biochemical reagent extensively applied in life science research, stereochemistry studies, metabolic pathway exploration and biosynthetic analysis.









