1 | Appearance/Description | Transparent, colorless, mobile, volatile liquid, having a characteristic odor. A solution (1 in 2) is neutral to litmus. | Transparent, colorless, mobile, volatile liquid, having a characteristic odor. A solution (1 in 2) is neutral to litmus. (USP/Ph.Eur) |
2 | Solubility | Passes | Miscible with water, with alcohol, with ether, with chloroform, and with most volatile oils. (USP/Ph.Eur) |
3 | Appearance of solution | Passes | Clear and colorless solution (Ph.Eur) |
4 | Identification (By IR) | Complies | IR Spectra of the sample should be concomitant with IR spectra of the standard (USP) |
5 | Identification (by Chromatogram) | Complies | The retention time of the sample corresponds to that of standard obtained in the assay (USP) |
6 | Identification (Relative density, 20°C) | 0.790 | 0.790 - 0.793 (Ph.Eur) |
7 | Identification (By chemical test 1) | Complies | An intense red color should produce which becomes violet with the addition of 3.5 mL of acetic acid (Ph.Eur) |
8 | Identification (By chemical test 2) | Complies | A greenish-blue color should produce (Ph.Eur) |
9 | Relative density, 20°C | 0.790 | 0.790 - 0.793 (Ph.Eur) |
10 | Assay (GC) | 99.97% | NLT 99.0% on the anhydrous basis. (USP) |
11 | Specific gravity,25°C | 0.788 | NMT 0.789 (USP) |
12 | Non-volatile Residue | 0.0008% | 0.004% max (USP) |
13 | Matter insoluble in water | Passes | The solution should be clear (Ph.Eur) |
14 | Water | 2g/l | 3g/l max (Ph.Eur) |
15 | Reducing substances | Passes | The mixture should not be completely decolorised (Ph.Eur) |
16 | Acidity or Alkalinity | Passes | The solution should be red or orange (Ph.Eur) |
17 | Related substances: Impurity A (Methanol) | 0.023% | 0.05% v/v max (Ph.Eur) |
18 | Related substances: Impurity B (2-Propanol) | Not detected | 0.05% v/v max (Ph.Eur) |
19 | Related substances: Impurity C (Benzene) | 0.4ppm | 2 ppm v/v max (Ph.Eur) |
20 | Related substances: Any other impurity | 0.01% | 0.05% v/v max (Ph.Eur) |