Propylene glycol II is a by-product of the propylene glycol production process.
Parameter
Value
Unit
Method
Content of propylene glycol (1-2, propanediol)
> 99
wt%
PM 488
Water content
< 1
Eur.Ph.10/430 p.2.5.12
Density at 20 ° C
1.035 – 1.040
g/mL
PM 379