Light Yellow Ultraviolet Absorber UV-531

Light Yellow Ultraviolet Absorber UV-531

Light Yellow Ultraviolet Absorber 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.
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Product Details

Light Yellow Ultraviolet Absorber UV-531

CAS NO.:1843-05-6

Chemical Name:2-Hydroxy-4-n-octoxybenzophenone
Formula:C21H26O3

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.


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