| 1 | Description | Off-white crystals with lumps. | White to off - white crystals/powder with lumps. | In-house |
| 2 | Solubility | Complies | Soluble in water & alcohol. | In-house |
| 3 | Identification by IR | Complies | IR spectra of the sample should be concomitant with IR spectra of the standard. | In-house |
| 4 | Chloride (Cl) | Less than 0.05% | NMT 0.05% | In-house |
| 5 | Moisture | 0.02% | NMT 1.0% | In-house |
| 6 | Assay | 99.9% | NLT 98.0% (Anhyrous basis) | In-house |
| 7 | Related substances: Any unknown impurity | 0.01% | NMT 0.10% | In-house |
| 8 | Related substances: Total impurity | 0.01% | NMT 2.0% | In-house |
| 9 | Benzene | 1.4ppm | NMT 2 ppm | In-house |
| 10 | Clarity and colour of solution | Complies | The solution is clear and colourless, any colour produced is not more intense than reference solution B7 (EP reference solution). | In-house |
| 11 | Residue on ignition | 0.008% | NMT 0.1% | In-house |
| 12 | Iron (Fe) | 0.001% | NMT 0.002% | In-house |
| 13 | Arsenic (As) | Not detected | NMT 0.15ppm | In-house |
| 14 | Lead (Pb) | 0.25ppm | NMT 0.5ppm | In-house |
| 15 | Mercury(Hg) | Not detected | NMT 0.15ppm | In-house |
| 16 | Cadmium(Cd) | Not detected | NMT 0.2 ppm | In-house |
| 17 | Total aerobic microbial count | Less than 100 CFU/gm | NMT 100 CFU/gm | In-house |
| 18 | Total combined yeast and molds count | Less than 10 CFU/gm | NMT 10 CFU/gm | In-house |
| 19 | E.coli | Absent/gm | should be absent/gm | In-house |
| 20 | Staphylococcus aureus | Absent/gm | should be absent/gm | In-house |
| 21 | Pseud. aeruginosa | Absent/gm | should be absent/gm | In-house |
| 22 | Bile-tolerant gram negative bacteria | Absent/gm | should be absent/gm | In-house |
| 23 | Bacterial endotoxins | Less than 2.5 EU/mg | NMT 2.5 EU/mg | In-house |
| 24 | Cyclohexane as residual solvent | Not detected | NMT 2000 ppm | In-house |
| 25 | Methyl benzene Sulfonate | 57ppm | NMT 134.8 ppm | In-house |