CASR |
: | 532-32-1 |
Molecular Formula |
: | C6H5COONa |
Molecular Weight |
: | 144.11 |
| Specifications | |
|---|---|
| Appearance/Description: | White, odorless, crystalline or granular powder or flakes, slightly hygroscopic |
| Solubility: | freely soluble in water. |
| Identification (Reaction (b) for Benzoate: | A white sublimate should deposite on the inner wall of the tube. |
| Identification (Reaction (c) for Benzoate ): | Melting point should be 120°C to 124°C after crystallization |
| Identification (Reaction (a) for Sodium): | A dense white precipitate should form |
| Identification (By IR): | IR spectra of the sample should be concomitant with IR spectra of the standard |
| Identification (By Chromatography): | The retention time of the major peak of the sample solution should correspond to that of the standard solution as obtained in the Assay |
| Appearance of solution: | Solution should be clear and not more intensely colored than reference solution Y6. |
| Halogenated compounds: Ionized chlorine: | NMT 200 ppm |
| Halogenated compounds: Total chlorine: | NMT 300 ppm |
| Loss on drying at 105°C: | NMT 2.0% |
| Water: | NMT 1.5% |
| Assay (By Titration): | 99.0% - 100.5%(dried substance) |
| Assay(HPLC): | 99.0% - 101.0% (Anhydrous basis) |
| Acidity: | Not more than 0.2 ml of 0.1 M sodium hydroxide should require to change the color of the indicator. |
| Alkalinity: | The pink color produced, if any, should discharge by the addition of 0.20 mL of 0.10N sulfuric acid |
| Total aerobic microbial count: | NMT 100 CFU/gm |
| Total Yeast and mold count: | NMT 10 CFU/gm |
| E.coli: | should be Absent/gm |
| Pseud. aeruginosa: | should be Absent/gm |
| Staphylococcus aureus: | should be Absent/gm |
| Bile-tolerant gram negative bacteria: | should be Absent/gm |
| Salmonella: | should be Absent/10 gm |
| Bacterial endotoxin test: | NMT 2.5 EU/gm |
