Propylene Glycol Refrigerant Number

Operating with a 35 glycol to 65 water solution typically will protect from freeze up to 1 f the proper propylene glycol to water ratio mixture is very important in your chiller system.

Propylene glycol refrigerant number.

Its chemical formula is ch 3 ch oh ch 2 oh. Nc propylene glycol contains dowfrost heat transfer fluid that is manufactured using propylene glycol usp ep. Propane 1 2 diol according to the us national library of medicine and the agency for toxic substances and disease registry is a synthetic liquid substance that absorbs water. Usually 35 40 inhibited propylene glycol is sufficient in all but the very coldest climates.

Too little glycol can lead to a costly freeze up. Propylene glycol is a propanediol that exists as a clear colorless and hygroscopic liquid and consists of propane where the hydrogens at positions 1 and 2 are substituted by hydroxyl groups. Propylene glycol is used as an organic solvent and diluent in pharmaceuticals and many other industrial applications. Because propylene glycol has a low toxicity level it can be used in equipment that has contact with food products and beverages.

An uninhibited usp food grade kosher 99 9 version is also available in 55 gallon drum. Propylene glycol iupac name. It can be used in equipment that has contact with food products and beverages. It is labeled an organic compound in chemistry due to its carbon attributes.