Specification Sheet
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