| CAS No.: | 50-69-1 |
|---|---|
| Formula: | C5h10o5 |
| EINECS: | 200-059-4 |
| Type: | Synthesis Material Intermediates |
| Appearance: | Powder |
| Quality: | Industrial |
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier 99% purity D-Ribose for condiment cas50-69-1
| D-Ribose Basic information | |
| Product Name: | D-Ribose |
| CAS: | 50-69-1 |
| MF: | C5H10O5 |
| MW: | 150.13 |
| EINECS: | 200-059-4 |
| D-Ribose Chemical Properties | |
| Melting point | 88-92 °C(lit.) |
| alpha | -20.8 º (c=4, H2O) |
| Boiling point | 191.65°C (rough estimate) |
| density | 1.1897 (rough estimate) |
| FEMA | 3793 | D-RIBOSE |
| refractive index | -21 ° (C=1, H2O) |
| storage temp. | 2-8°C |
| solubility | H2O: 0.1 g/mL, clear, colorless to light yellow |
| pKa | 12.46±0.20(Predicted) |
| form | Crystalline Powder |
| color | White to light beige or slightly yellow |
| PH Range | 7 |
| optical activity | [α]21/D 19.7°, c = 4 in H2O |
| Water Solubility | Soluble in water. Insoluble in ether. |
| Sensitive | Hygroscopic |
| Merck | 148,204 |
| BRN | 1723081 |
|
ITEM
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SPECIFICATION
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|
Description
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White or slightly yellow crystals or crystalline powder, reducing sugar.
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|
Assay
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97.0%~102%(HPLC, dry basis)
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Loss on Drying
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≤3.0%(in vacuum, 60ºC, 3hours)
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Residue on Ignition (Sulfated)
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≤0.2%
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Specific Rotation [a]D20
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-18.0°~ - 22.0°
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State of Solution
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≥95%
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Heavy Metals
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≤10ppm
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Other saccharide
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Not detectable (chromatographically)
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Aerobic Plate Count
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<100cfu/g
|
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