Glycerol - 15523
Code: 15523
Glycerol
Puriss., meets analytical specification of BP, FCC, Ph. Eur., USP, E422, anhydrous, 99.0-101.0% (alkalimetric)
1,2,3-Propanetriol; Glycerin
meets analytical specificification of Ph. Eur., BP, USP, FCC, E422, anhydrous, 99.0-101.0% (alkalimetric)
CAS Number: 56-81-5Linear Formula: HOCH2CH(OH)CH2OH
Molar Mass: 92.09 g/mol
Beilstein Registry Number: 635685
EC Number: 200-289-5
MDL Number: MFCD00004722
| Property |
Value |
| Identity (IR) |
complying |
| Assay (alkalimetric) |
99.0 - 101.0 % |
| Assay (calculated on the anhydrous basis) |
99.0 - 101.0 % |
| Density (D 20/20) |
1.2580 - 1.2644 |
| Density (D 25/25) |
min. 1.257 |
| Refractive index (n 20/D) |
1.471 - 1.474 |
| Water (Karl Fischer) |
max. 1.0 % |
| Sulfated ash |
max. 0.01 % |
| Free acid (as CH3COOH) |
max. 0.003 % |
| Acid. or alk. react. impurities |
complying |
| Arsenic (As) |
max. 1 ppm |
| Cadmium (Cd) |
max. 1 ppm |
| Copper (Cu) |
max. 0.001 % |
| Mercury (Hg) |
max. 1 ppm |
| Lead (Pb) |
max. 1 ppm |
| Zinc (Zn) |
max. 0.001 % |
| Heavy metals (as Pb) |
max. 5 ppm |
| Chloride (Cl) |
max. 10 ppm |
| Sulfate (SO4) |
max. 10 ppm |
| Halogene compounds (as Cl) |
max. 30 ppm |
| Reaction against H2SO4 |
complying |
| Aldehydes (as HCHO) |
max. 10 ppm |
| Acrolein, glucose + HH4-compounds |
complying |
| Ester |
complying |
| Fatty acids and ester |
complying |
| Sugar |
complying |
| Impurity A + related substances (GC) |
complying |
| Other impurities (GC) total |
max. 1.0 % |
| Other Single impurities (GC) |
max. 0.1 % |
| 1,2,4-butantriole (GC) |
max. 0.2 % |
| Diethylene glycole (GC) |
max. 0.10 % |
| Ethylene glycole (GC) |
max. 0.10 % |
| 3-monochloropropane-1.2-diole |
max. 0.1 ppm |
| Residual solvents |
complying |
| Colour |
complying |
| Appearance of the solution |
complying |
| Property |
Value |
| Refractive Index |
n20/D 1.474(lit.) |
| Autoignition Temperature |
698 °F |
| Ignition Residue |
≤0.01% (as SO4) |
| Vapor Pressure |
<1 mmHg ( 20 °C) |
| Vapor Density |
3.1 (vs air) |
| Boiling point |
290 °C |
| Freezing point |
18 °C |
| Density |
1.26 g/cm3 |
