99% Purity High Quality Food Spices D- Ribose for Condiment CAS 50-69-1
Model NO.
a tch 50-69-1
Colour
White
Sample
Support
Storage
Yes
Purity
99%
MW
150.13
Transport Package
Bag
Specification
25kg
Trademark
Future Chemical
Origin
China
Production Capacity
1000ton
Reference Price
$ 18.00 - 45.00
Description
Product Description
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
|
SPECIFICATION
|
|
Description
|
White or slightly yellow crystals or crystalline powder, reducing sugar.
|
|
Assay
|
97.0%~102%(HPLC, dry basis)
|
|
Loss on Drying
|
≤3.0%(in vacuum, 60ºC, 3hours)
|
|
Residue on Ignition (Sulfated)
|
≤0.2%
|
|
Specific Rotation [a]D20
|
-18.0°~ - 22.0°
|
|
State of Solution
|
≥95%
|
|
Heavy Metals
|
≤10ppm
|
|
Other saccharide
|
Not detectable (chromatographically)
|
|
Aerobic Plate Count
|
<100cfu/g
|
Organic Intermediate
-
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