CAS No.: | 50-69-1 |
MF: | C5H10O5 |
FEMA No.: | 3793 |
Type: | Nutrition Enhancers |
Appearance: | White Crystal Powder |
Melting point: | 88-92 °C(lit.) |
Storage temp.: | 2-8°C |
Specific rotation: | -20.8 °(c=4, H2O) |
Boiling point: | 375.4°C at 760 mmHg |
Other Names: | D-RIB |
EINECS No.: | 200-059-4 |
Place of Origin: | Shandong, China |
Brand Name: | Lookchemical |
Product name: | D-Ribose |
Assay: | 97.0%~102.0% |
Refractive index: | -21 ° (C=1, H2O) |
Solubility: | H2O: 0.1 g/mL, clear, colorless to light yellow |
Dentisy: | 1.681 g/cm3 |
Items
|
Specifications
|
Results
|
Appearance:
|
white to off-white powder
|
Conforms
|
Identification:
|
Positive
|
Conforms
|
Assay (on dry basis):
|
97.0-102.0%
|
99.20%
|
Specific rotation[α]D20:
|
-18.0°~-22.0°
|
-22°
|
Impurities:
|
<1.0%
|
Conforms
|
Loss on drying:
|
0.5%max
|
0.22%
|
Residue on ignition:
|
0.20%max
|
0.05%
|
State of solution:
|
95.0%min
|
99.10%
|
Heavy metals:
|
10mg/kg max
|
Conforms
|
Arsenic(As):
|
0.1mg/kg max
|
Conforms
|
Lead(Pb):
|
2mg/kg max
|
Conforms
|
Other saccharide:
|
Not detectable(chromatographically)
|
Conforms
|
Aerobic plate count:
|
<100 cfu/g
|
Conforms
|
Yest & Mold:
|
100cfu/g max
|
Conforms
|
Coliforms:
|
10cfu/g max
|
Conforms
|
Pathogenic Bacteria(Salmonella,E.Coli,Staphylococcus,Aureus):
|
Negative
|
Conforms
|