D(-)Mannitol 99% AR For Bacteriology
Internal standard in the GLC analysis of glycolipids for
bacteriology and boric acid determination.
Mannite
Product Code. |
01636 |
Grade |
|
Purity |
99% |
CAS No. |
69-65-8 |
Molecular Formula |
C6H14O6 |
Molecular Weight |
182.17 |
H.S.Code |
2905.43000 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
White crystalline |
Odour |
Odorless |
| pH value |
5 - 6.5 at 182 g/l at 25 °C |
Melting point/ Freezing point [°C] |
167 - 170 °C |
Solubility in water [% weight] |
182 g/l at 20 °C - completely soluble |
Packaging
Specification
| Appearance | White crystalline powder |
| Assay | Min 99% |
| Melting point | 165 - 169 deg C |
| Specific optical rotation ([?]20/D) | +23 to +25 deg |
| Loss on drying (at 105°C) | Max 0.05% |
| Insoluble matter | Max 0.01% |
| Acidity (as CH3COOH) | Max 0.005% |
| Sulphated ash | Max 0.02% |
| Chloride (Cl) | Max 0.001% |
| Sulphate (SO4) | Max 0.005% |
| Arsenic (As) | Max 0.0001% |
| Calcium (Ca) | Max 0.001% |
| Copper (Cu) | Max 0.0005% |
| Iron (Fe) | Max 0.0005% |
| Lead (Pb) | Max 0.0005% |
| Reducing sugars (as glucose) | Max 0.05% |
| Substance darkened by H2SO4 | Passes test |
| D (-)-Sorbite (GC) | Max 1% |
Safety Information and Hazard Symbols