Chemical Name：β- [3- (2-H-benzotriazol-2-yl) -4-hydroxy-5-t-butylphenyl] -propionic acid polyethylene glycol 300 ester (40% -55%);
Bis- {β- [3- (2-H-benzotriazol-2-yl) -4-hydroxy-5-t-butylphenyl] -propionic acid} -polyethylene glycol 300 ester (35%- 45%);
Polyethylene glycol 300 (10% -16%)
CAS No.: 104810-48-2；104810-47-1；25322-68-3
Specification:
Appearence： Light yellow viscous transparent liquid 
Assay（LC）%：
CAS#104810-47-1 35-45 37.9
CAS#104810-48-2 40-55 46.0
CAS#25322-68-3 10-16 15.0
Volatiles %： ≤1.0 
Ash %： ≤0.1 
Transmittance(%)：460nm ≥96；500nm ≥98