ULTRAVIOLET ABSORBER UV-312(VSU)

Product Name(Include alias)：N - (2-ethoxyphenyl) - n '- (2-Ethylphenyl) - acetamide; UV absorber VSU; N - (2-ethoxyphenyl) - n '- (4-ethylphenyl) - acetamide; Ultraviolet absorber uv-312; Light stabilizer 312; Ultraviolet absorber 312。
Model No:
Purity：99%
CAS No：23949-66-8
Molecular Formula：C18H20N2O3
Molecular Weight: 312.36
Technical indicators：
1、APPEARANCE：White powder
2、MELTING POINT：124~127℃
3、VOLATILE：0.5%max
4、TRANSMITTANCE：  460nm   95%min
500nm   97%min
Package：25kg / barrel。
Application: Contact with metal ions will not decolorize, especially effective for short wavelength ultraviolet light. Therefore, it is often used as whitening agent and stabilizer of UV curing system. Recommended for PA, PC, PVC, PU and PET / PBT resins。