CASR |
: | 532-32-1 |
Molecular Formula |
: | C6H5COONa |
Molecular Weight |
: | 144.11 |
| Specifications | |
|---|---|
| Description: | White or almost white, crystalline or granular powder or flakes, slightly hygroscopic. |
| Solubility: | freely soluble in water |
| Identification A (Reaction (b) for Benzoate ): | A white sublimate should deposit on the inner wall of the tube. |
| Identification A (Reaction (c) for Benzoate ): | Melting point should be 120°C to 124°C after crystallization |
| Identification B (Reaction (a) for Sodium): | A dense white precipitate should form |
| Appearance of solution: | Solution should be clear and not more intensely colored than reference solution Y6 |
| Acidity or Alkalinity: | Not more than 0.2 ml of 0.1 M sodium hydroxide or 0.1 M hydrochloric acid should require to change the colour of the indicator. |
| Halogenated compounds: Ionized chlorine: | 200 ppm max. |
| Halogenated compounds: Total chlorine: | 300 ppm max. |
| Loss on drying at 105°C: | 2.0% max. |
| Assay (Dried substance): | 99.0% - 100.5% |
