Glycerol Molecular Biology
1,2,3-Propanetriol; Glycerin
Product Code. |
01293 |
Grade |
|
Purity |
Min. 99.5% |
CAS No. |
56-81-5 |
Molecular Formula |
C3H8O3 |
Molecular Weight |
92.09 |
H.S.Code |
2905.45000 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Liquid |
Colour |
Clear colorless |
Odour |
Odorless |
| pH value |
5.5 - 8 |
Melting point/ Freezing point [°C] |
20 °C |
Auto-ignition temperature [°C] |
370°C |
| Flash point [°C] |
160 °C |
Boiling point [°C] |
182 °C |
Vapour pressure mm/Hg |
0.0033 mm Hg at 50 °C |
| Vapour density |
3.18 |
Density [g/cm3] |
1.25 |
Solubility in water [% weight] |
Soluble in water |
| Explosion limits -lower [%] |
0.90% |
Packaging
Specification
| Appearance | Clear colorless viscous liquid |
| Residue on ignition | Max 0.1% |
| Solubility (5 M in water; 20°C) | Complete, colorless |
| pH (5 M solution in water; 25°C) | 5.5 - 8.0 |
| Density (at 25°C) | About 1.262 g/ml |
| Refractive index (20°C; 589 nm) | ~1.474 |
| Ammonium (NH4) | Max 0.0005% |
| Chloride (Cl) | Max 0.0001% |
| Cobalt (Co) | Max 0.0001% |
| Sodium (Na) | Max 0.002% |
| Sulphate (SO4) | Max 0.001% |
| Chromium (Cr) | Max 0.0001% |
| Nickel (Ni) | Max 0.0001% |
| Silver (Ag) | Max 0.0005% |
| Copper (Cu) | Max 0.0001% |
| Lead (Pb) | Max 0.0001% |
| Aluminium (Al) | Max 0.0001% |
| Iron (Fe) | Max 0.0001% |
| Strontium (Sr) | Max 0.0001% |
| Arsenic (As) | Max 0.00001% |
| Potassium (K) | Max 0.002% |
| Titanium (Ti) | Max 0.0005% |
| Barium (Ba) | Max 0.0001% |
| Lithium (Li) | Max 0.0001% |
| Zinc (Zn) | Max 0.0001% |
| Bismuth (Bi) | Max 0.0001% |
| Magnesium (Mg) | Max 0.0001% |
| Calcium (Ca) | Max 0.0005% |
| Manganese (Mn) | Max 0.0001% |
| Cadmium (Cd) | Max 0.0001% |
| Molybdenum (Mo) | Max 0.0001% |
| Absorption 5M in H2O | |
| at 260 nm | Max 0.05 |
| at 280 nm | Max 0.04 |
| Insoluble matter | Passes filter test |
| DNases (exo and endonucleases) | None detected |
| RNases | None detected |
| Phosphatase | None detected |
| Proteases | None detected |
Safety Information and Hazard Symbols