Sodium Ethylene Glycol Isophthalate-5-sulfonate
(SIPE)Also named Liquid Third Monomer
Formula: C12H1309SNa
Molecular Weight: 356.29
Structure: 
Uses: As the third component
of CDPET, it has good dyeability and the fiber is dyeable
in mere boiling water. Its other advantages include bright
color, broad color spectrum, fast colors and low cost. The
product is 40 wt% solution in ethylene alcohol.
Specifications:
|
Specification |
Standards |
|
Appearance |
Clear and colorless liquid |
|
Acid value (mgKOH/g) |
≤0.6 |
|
Saponification value (mgKOH/g) |
126 ¡À 2 |
|
Sulfate ion (PPm) |
≤300 |
|
Ferrum (PPm) |
≤5 |
|
Water (%) |
≤0.35 |
|
Package: 200 kg per barrel. |
|
