Propylene Glycol 60% in DI Water *

The Optimal Propylene Glycol Concentration For Antifreeze Applications


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About Propylene Glycol 60% in DI Water

Propylene glycol, also known as 1,2-propanediol, is a odorless, tasteless, colorless, viscous liquid at room temperature. It is often added to water for lowering its freezing point. The optimal Propylene Glycol to DI Water concentration is 60/40 and the resultant solution has a considerably lower freezing point (-48 o C) than the pure ethylene glycol or water.  

Common Uses and Applications

  • Coolant
  • Anti-freeze additive
  • Heat transfer agent
  • Corrosion inhibitor


Chemistry Table

1,2-propanediol, Propane-1,2-diol, 1,2-Propylene glycol, 1,2-dihydroxypropane, 2-Hydroxypropanol, Methylethyl glycol, Methylethylene glycol, Isopropylene glycol, Monopropylene glycol
Propylene Glycol

Propylene Glycol 60% in DI Water Specifications

Assay (C3H8O2)‎‎ 60%
Specific Gravity @ 25°C 1.035-1.037
Acidity To Pass Test
Water 0.2%
Residue on Ignition 0.007%
Chloride (Cl) 0.007%
Sulfate (SO4) 0.006%
Heavy Metals (as Pb) 5 ppm
Organic Volatile Impurities To Pass Test

Safety and Shipping Information

Not DOT regulated.

Please contact us to request a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for Propylene Glycol 60% in DI Water.

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