Description
1,2,3-Propanetriol; Glycerin
| CAS | 56-81-5 |
| Molecular Formula | C3H8O3 |
| Molecular Weight | 92.09 |
| 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% | ||
| Specifications | |||
| 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% | 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 |
| Dangerous Goods Information | |||
| UN Number | – | DG Class | – |















