Glycerol 99.5% AR
Confirming to USP
1,2,3-Propanetriol; Glycerol
Product Code. |
01292 |
Grade |
AR |
Purity |
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 |
| Assay (on anhydrous basis) | Min 99.5% |
| Fatty acids and esters | Max 1.0 ml of 0.5N NaOH consumed |
| Colour scale | To Pass USP test |
| Chloride (Cl) | Max 0.001% |
| Sulphate (SO4) | Max 0.002% |
| Chlorinated compounds | Max 0.003% |
| Moisture content | Max 0.5% |
| Heavy metal (as Pb) | Max 0.0005% |
| Residue on ignition | Max 0.01% |
| Specific gravity (at 25°C) | Min 1.249 |
| Total impurities (Chromatographic including Diethylene glycol) | Max 1.0% |
| Individual impurities | Max 0.1% |
Safety Information and Hazard Symbols