1 | Description | Clear, colourless, viscous liquid having a slight, characteristic taste. Is practically odourless. Absorbs moisture when exposed to moist air. | Clear, colourless, viscous liquid having a slight, characteristic taste. Is practically odourless. Absorbs moisture when exposed to moist air. (USP/Ph.Eur) |
2 | Solubility | Passes | Miscible with water, with acetone, with ethanol(96%) and with chloroform. soluble in ether and will dissolve many essesntial oils, but is immiscible with fixed oils (USP/Ph.Eur). |
3 | Identification A (By IR) | Complies | To comply the test (USP) |
4 | Identification B (Diethylene glycol) | Not detected | NMT 0.10% (USP) |
5 | Identification B (Ethylene glycol) | Not detected | NMT 0.062% (USP) |
6 | Identification C (By GC Chromatogram) | Complies | To comply the test (USP) |
7 | Identification A ( By Relative density, 20°C) | 1.035 | 1.035 - 1.040 (Ph.Eur) |
8 | Identification B (By Refractive index, 20±0.5°C) | 1.433 | 1.431 - 1.433 (Ph.Eur) |
9 | Identification C (By Boiling Point) | 187°C | 184° - 189°C (Ph.Eur) |
10 | Identification D (By Chemical test) | Complies | To comply the test (Ph.Eur) |
11 | Appearance of Solution | Passes | It is clear and colurless. (Ph.Eur) |
12 | Assay | 99.97% | NLT 99.5% (USP) |
13 | Residue on ignition | 0.005% | NMT 0.007% (USP/ Ph.Eur) |
14 | Chloride (Cl) | NMT 70ppm | 70ppm max (USP) |
15 | Sulphate (SO4) | NMT 60ppm | 60ppm max (USP) |
16 | Heavy metals | NMT 5ppm | 5ppm m/v max (USP/Ph.Eur) |
17 | Specific gravity, 25°C | 1.035 | 1.035 - 1.037 (USP) |
18 | Oxidising substances | Passes test | Passes test (Ph.Eur) |
19 | Reducing substances | Passes test | Passes test (Ph.Eur) |
20 | Acidity | Passes | Not more than 0.05ml of 0.1M sodium hydroxide should required to change the colour of the indicator to blue. (Ph.Eur/ USP) |
21 | Water | 0.023% | NMT 0.2% (USP/Ph.Eur) |