| Product Name | TWEEN® 20, viscosity 250-450 mPa.s (25 °C) |
| Product Number | 93773 |
| Product Brand | SIGMA |
| CAS Number | 9005-64-5 |
| TEST | SPECIFICATION |
| Appearance (Color) | Conforms to Requirements |
| Almost Colorless to Very Deep Yellow | |
| Appearance (Form) | Viscous Liquid |
| Refractive index at 20 ° C | 1.469 - 1.473 |
| Density | 1.10 - 1.12 g/ml |
| Viscosity (Rotation) | 250 - 450 MPa |
| Proton NMR spectra | Conforms |
| HLB Value | 15.7 - 17.7 |