CASR |
: | 65-85-0 |
Molecular Formula |
: | C6H5COOH |
Molecular Weight |
: | 122.12 |
| Specifications | |
|---|---|
| Description: | Colourless, light crystals, scales or needles. |
| Solubility: | Freely soluble in ethanol(95%), in chloroform and in ether; slightly soluble in water but soluble in boiling water, it soluble in fixed oil. |
| Identification(By Melting point): | 121°C-124°C |
| Identification (By benzoates): | A dull-yellow precipitate, soluble in ether should form. |
| Appearance of solution: | Clear and colourless solution. |
| Arsenic (As): | NMT 2ppm |
| Readily oxidizable substances: | Not more than 0.5ml of 0.1M potassium permanganate should be required. |
| Readily carbonizable substances: | The colour of the solution should not be more intense than that of reference solutionYS5. |
| Cinnamic acid: | No odour of benzaldehyde should develop. |
| Chlorinated compounds: | Any opalescence produced in the sample solution should not more intense than standard. |
| Heavy metals: | NMT 10ppm |
| Sulphated ash: | NMT 0.1% |
| Water: | NMT 0.7% |
| Assay: | 99.5% - 100.5% on anhydrous basis. |
