| 1 | Description | Clear colourless, viscous liquid. Absorbs moisture when exposed to moist air. | clear colourless viscous liquid. Absorbs moisture when exposed to moist air. | USP-NF |
| 2 | Solubility | Complies | Miscible with water and with many organic solvents, including alcohol, ether, chloroform, acetone, and hexanes. | USP-NF |
| 3 | Identification A (By IR) | Complies | IR spectra of the sample should be concomitant with IR spectra of the corresponding standard. | USP-NF |
| 4 | Identification B (By GC ) | Complies | The retention time of the major peak of the Sample solution corresponds to that of the Standard solution. | USP-NF |
| 5 | Assay (By GC) | 99.7% | 98.0% - 102% (On anhydrous basis) | USP-NF |
| 6 | Organic impurities : Acetone | Not detected | NMT 0.1% | USP-NF |
| 7 | Organic impurities : 2-Propanol | Not detected | NMT 0.1% | USP-NF |
| 8 | Organic impurities : 4-Methylpentan-2-one | Not detected | NMT 0.1% | USP-NF |
| 9 | Organic impurities: 4-Methylpentan-2-ol | Not detected | NMT 0.1% | USP-NF |
| 10 | Organic impurities: Diacetone alcohol | Not detected | NMT 0.1% | USP-NF |
| 11 | Organic impurities; Any other individual impurity | 0.03% | NMT 0.1% | USP-NF |
| 12 | Organic impurities; Total impurities | 0.05% | NMT 1.0% | USP-NF |
| 13 | Specific gravity | 0.920 | 0.917 - 0.923 | USP-NF |
| 14 | Refractive index | 1.427 | 1.424 - 1.430 | USP-NF |
| 15 | Acidity | 0.06 ml of 0.10 N sodium hydroxide required | NMT 0.20 ml of 0.10 N sodium hydroxide should require. | USP-NF |
| 16 | Water | 0.07% | NMT 0.5% | USP-NF |