Logo

WESTCO™ DSPP (DiStearyl Pentaerythritol Diphosphite) CAS# 3806-34-6

WESTCO DSPP is a solid phosphite that adds excellent color stability to polyolefins, polystyrene, polyesters, polycarbonates, ABS PVC and elastomers.  It is especially effective as a synergist with hindered phenol antioxidants.  It is approved for FDA polymer applications under CFR 21 section 178,2010 and for adhesives under section 175.105.  Typical use levels range from 0.10 to 0.25%.  It contains less than 1% triisopropanolamine.

Packaging:  50 lb. bag

SPECIFICATIONS:

Appearance: White Flake
* Acid Number

1.0 mgKOH/gm Max.

* Refractive Index, 60C

1.455 – 1.459

* Phosphorus

7.5 – 8.4%

Specific gravity

0.93 Typical

*Actual tech data / technical data values reported on Certificate of Analysis

Download Product Information

For WESTCO™ DSPP - (DiStearyl Pentaerythritol Diphosphite)
Please enter the product name / id for the required SDS:

Tell us how to get in touch with you:







Technical Data & SDS Sheets

Technical Product Sheets and SDS sheets are available for each of the chemicals listed. To access please click on the links above.
  • Western Reserve Chemical
  • 4837 Darrow Road
  • Stow, OH 44224

Please contact us to request this Data Sheet