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, sparingly soluble in alcohol (90% v/v) |
Identification A (Reaction (b) for Benzoate ): | A white sublimate should deposited 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 (By Chemical test): | A dense white precipitate should form |
Appearance of solution: | Solution should be clear and not more intensley coloured 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: | 2.0% max. |
Assay (on dried basis): | 99.0% - 100.5% |