1 | Description | A colourless, viscous liquid; hygroscopic. | A colourless or slightly yellow, syrupy liquid , viscous liquid; almost odourless; hygroscopic. |
2 | Solubility | Complies | Miscible in all proportion with water, with ethanol (95%) ,with Ethanol (96%) and with ether. |
3 | Identification A (By Chemical test) | Complies | Aldehyde should evolve. |
4 | Identification B (By Relative density, 20°C) | 1.21 | 1.20-1.21 |
5 | Identification C (By Chemical test) | Complies | A dark green ring appears at the interface of the two liquids. |
6 | Identification D (By Chemical test) | Complies | Solution should be strongly acidic. |
7 | Appearance of Solution | Complies | The substance is not more intensely coloured than reference solution YS6. |
8 | Arsenic (As) | Less than 1ppm | NMT 1ppm |
9 | Heavy metals | Less than 10ppm | NMT 10ppm |
10 | Citric, oxalic and phosphoric acids | Complies | Any opalescence in the solution is not more intense than that in a mixture of 5 mL of the test solution and 1 mL of water. |
11 | Ether insoluble substances | Complies | The solution is not more opalescent than the solvent used for the test. |
12 | Volatile fatty acids | Complies | No unpleasant odour resembling that of lower fatty acids is recognizable immediately after opening the flask. |
13 | Methanol and methyl esters | Complies | Any color in the solution is not more intense than that of 1 mL of reference solution. |
14 | Reducing sugars | Complies | No red or greenish precipitate should produce. |
15 | Sulphated ash | 0.02% | NMT 0.1% |
16 | Calcium (Ca) | Less than 200ppm | NMT 200ppm |
17 | Sulphate | Less than 200ppm | NMT 200ppm |
18 | Methanol(CH3OH) | 4ppm | NMT 50ppm |
19 | Assay | 90.2% | 88.0% - 92.0% w/w |
20 | Bacterial endotoxins | Less than 5.0 EU/mg | NMT 5.0 EU/gm |