1 | Description | Clear, practically colourless, slightly hygroscopic, viscous liquid, having a slight, characteristic odour, and a specific gravity at 25°C of 1.12 | Clear to slightly hazy, colourless or practically colourless, slightly hygroscopic, viscous liquids, having a slight, characteristic odour, and a specific gravity at 25°C of about 1.12 |
2 | Solubility | Passes | Miscible with water, soluble in acetone,in alcohol,in chlororform, in ethylene glycol monoethyl ether,in ethyl acetate , in toluene,and in methylene chloride,practically insoluble in fatty oils and in mineral oils.Insoluble in ether and in hexane |
3 | Identification A (By Viscosity) | Complies | To comply the test |
4 | Identification B (By Chemical test) | Complies | An abundant, white, crystalline precipitate is formed. |
5 | Identification C (By Chemical test) | Complies | The liquid phase becomes blue. |
6 | Appearance of solution | Passes | The solution is clear and not more intensely coloured than reference solution BY6. |
7 | Completeness and colour of solution | Passes | Passes test |
8 | Assay | 101.52% | 95.0%-105.0% (Average molecular weight, 380-420) |
9 | Acidity or alkalinity | Passes | Passes test |
10 | Viscosity | 7.8 Centistokes | 6.8-8.0 Centistokes |
11 | Kinematic Viscosity | 100.71 mm2.s-1 | 94 - 116 mm2.s-1 |
12 | Dynamic Viscosity | 112.8 mPa.s | 105 - 130 mPa.s |
13 | Hydroxyl value | 292.95 | 264-300 |
14 | Reducing substances | Passes | Passes test |
15 | Formaldehyde | Less than 30ppm | 30ppm max |
16 | Ethylene glycol and Diethylene glycol | Not detected | 0.25% max (Sum of ethylene glycol & diethylene glycol) |
17 | Ethylene oxide | Not detected | 1ppm max |
18 | Dioxan | Not detected | 10ppm max (10 µg/g max) |
19 | Water | 0.2% | 2.0% max |
20 | Residue on ignition | 0.06% | 0.1% max |
21 | pH | 6.50 | 4.5-7.5 |