WESTCO™ UV-292 CAS# Mixture (see below)

WESTCO™ UV-292 is a hindered amine light stabilizer (HALS). It gives excellent light stability to a variety of coatings, adhesives and polymeric systems. It is a blend of the following:

CAS# 41556-26-7 (75-85%)

CAS# 82919-37-7 (15-25%)


Appearance: yellow liquid
* Melt Point

-10°C Max.

* Assay

96.0% Min.

* Light transmission

425 nm

98% Min.

500 nm

99% Min.

* Loss on drying

0.5% Max.

* Ash

0.1% Max

Specific gravity, typical


*Values reported on Certificate of Analysis

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