BEH for nickel plating

BEH (Reaction products of 2-butyne-1, 4-diol with Epichlorohydrin)
Chemical name: Reaction products of 2-butyne-1, 4-diol with Epichlorohydrin
Molecular formula:
CA No. 68876-96-0
Appearance Yellow viscous Liquid
Assay 60%
Densityg/cm3 (20 C) 1.18~1.21
PH 7~8 (10% aqueous solution)
Refractive Index(20 C) 1.4550~1.4700
Level of addition 80~200 mg/l
Application:
It is easily soluble in water and use as intermediate for Nickel plating lasting brightener.