Omnistab UV 531

Omnistab UV 531

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

· CAS:1843-05-6

· Molecular formula:C21H26O3

· Molecular weight:326.43

Structural formula:
Omnistab UV 531

UV ABSORBER 531 is a light stabilizers which can be widely used in polymers and other organic materials. It has a good light transmittance in the visible range, and can be added in packages contacting with food polymers.


AppearanceLight crystalline powder
Assay (%)99.00 min
Melting Point (℃)47.00-49.00
Volatile(%)0.50 max
Ash (%)0.10 max

Transmittance (%)

450nm: 90.00% min   500nm: 95.00% min

Storage and transportation

Keep container tightly closed. Avoid ingestion and inhalation.
25KG Carton or as customers’ requirements

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