Optical Brightener 127

Product Name

UV Absorber VSU

Product Code

VSU, UV-312

CAS No.

23949-66-8

Chemical Name

Formula

C18H20N2O3

Molecular Weight

312.37 

Specification

Appearance：white powder

Melting Point：120℃ Min

Loss on drying：0.5%Max

Assay (GC)：99.0% Min.

Transmittance：≥95.0%（460nm）；

≥96.0%（500nm）；

Packing

20kg/25kg Carton or Drum

Application

VSU is an oxalinide-based UV absorber which possess unique properties like low initial color, neutral in nature, strong anti-oxidant ability and high affinity with metal ions. Therefore, it is ideal for applications such as polyamides, PVC, PET/PBT, and styrenic polymers.