Chemical nature
| Chemical name | Propynol ethoxylate | 
| Molecular formula | C5H8O2 | 
| Molecular weight | 100.1 | 
| CAS No. | 3973-18-0 | 
Properties
| Physical form | Yellowish to yellow liquid | 
| Concentration (%) | ≥98.0(GC) | 
| PH | 3.0~7.0 | 
| Solubility | Well soluble in water. | 
Application
PME is used as a top brightener and leveling agent in nickel baths at a concentration of 10-30ml/L.
Packing
25kg/drum, stored in cool and dry place