UV Absorber 531

Chemical Name: 2-Hydroxy-4-n-octoxybenzophenone

CAS NO.: 1843-05-6

Molecular Formula: C21H26O3

Chemical Structure:

Molecular Weight:326.43

Appearance Light yellow crystalline powder
Melting Point 47-49℃
Volatile Matter ≤0.5%
Relative Density 1.16g/cm3
Weight Loss Point 202℃(5.0%)
Light Transmittance 450nm: ≥90.0%;500nm: ≥95.0%
Ash Content ≤0.1%

Solubility:Soluble in acetone, benzene, n-heptane, n-hexane; Slightly soluble in methanol and ethanol

Features and Application Area:UV-531 is a high performance anti-aging agent, absorbs 240-340nm of ultraviolet light, Light color, non-toxic, good compatibility, small migration, easy processing and so on. Widely used in PE, PVC, PP, PS, PC,PMMA, EVA, PU, etc.
Cautions:Avoid direct sunlight, moisture, high temperature.Testing required before use.

Pack & Store:25kg carton inner with plastic bag or  as customer's requirement.


Product Description:Geomembranes, Artificial Turf, Wood-Plastic Composite, Plastic Track, Rotational Moldings, Functional Films.

Company Info

Henan Wising Chem Co., Ltd