Sodium benzoate - 18106H
Code: 18106H
Sodium benzoate
meets analytical specification of Ph. Eur., BP, FCC, E211, 99.0-100.5% (calc. to the dried substance), powder
meets analytical specification of Ph. Eur., BP, FCC, E211, Powder
CAS Number: 532-32-1
Molar Mass: 144.1 g/mol
| Property |
Value |
| Assay (calculated to the dried substance) |
99.0 - 100.5 % |
| Assay (HPLC, related to H2O free substances) |
99.0 - 101.0 % |
| Loss on drying (105°C) |
max. 1.0 % |
| Water (Karl Fischer) |
max. 1.5 % |
| Arsenic (As) |
max. 2 ppm |
| Copper (Cu) |
max. 0.001 % |
| Mercury (Hg) |
max. 1 ppm |
| Lead (Pb) |
max. 2 ppm |
| Zinc (Zn) |
max. 0.001 % |
| Heavy metals (as Pb) |
max. 10 ppm |
| Chloride (Cl) |
max. 100 ppm |
| Sulfate (SO4) |
max. 0.01 % |
| Appearance of the solution |
complying |
| Acidity or alkalinity |
complying |
| Halogene compounds (total Cl) |
max. 300 ppm |
| Polycyclic acids |
complying |
| Oxidizable impurities |
complying |
| Melting point of the precipitated benzoic acid |
121.5 - 123.5 °C |
| Residual solvents |
complying |
| Property |
Value |
| Freezing point |
410 - 430 °C |
| Density |
1.44 g/cm3 |
