1 | Description | Clear,practically colourless, slightly hygroscopic, viscous liquids, 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 | Complies | Miscible with water, soluble in acetone, in alcohol, in chloroform, in ethylene glycol monoethyl ether, in ethyl acetate and in toluene. Insoluble in ether and in hexane. |
3 | Assay | 99.62% | 95.0%-105.0% (Average molecular weight) |
4 | Residue on ignition | 0.05% | 0.1% max |
5 | Limit of free ethylene oxide | 0.5 µg/g | 10 µg/g max |
6 | Limit of 1,4-Dioxane | Not detected | 10 µg/g max |
7 | Ethylene glycol and Diethylene glycol | Not detected | 0.25% max (Sum of ethylene glycol & diethylene glycol ) |
8 | pH | 6.90 | 4.5-7.5 |
9 | Completeness and colour of solution | Complies | Passes test |
10 | Viscosity | 7.2 Centistokes | 6.8-8.0 Centistokes |