C58H114O26
TWEEN® 20 Molecular biology
Tween® 20 is a non-ionic surfactant used in “blocking” solutions, solubilization of membrane proteins and electrophoresis. Tween® 20 is effectively suppresses unspecific reactions between antibodies, antigens and other molecules.
Main Properties
Product Specification
| Pale yellow viscous liquid |
Complying |
| Density (20°C) |
1.09-1.12g/ml |
| Heavy metals (as Pb) |
<= 0.001% |
| Water (KF) |
<= 3%w/w |
| Hydroxyl value |
96-108mgKOH/g |
| Saponification value |
40-50mgKOH/g |
| Acid value |
<= 2.0mgKOH/g |
| pH (5% in water) |
5.0-7.0 |
| Residue after ignition |
<= 0.25% |
| DNase activity |
Not detected |
| RNase activity |
Not detected |
| Protease activity |
Not detected |
