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Biobased Propylene Glycol

Propylene glycol is a safe, semi viscous chemical fluid utlized in many food, cosmetic and industrial applications. PG provides good antifreeze properties while also providing the safety of very low toxicity. PG is chemically neutral, meaning it does not react with other substances.

PERFORMANCE & SAFETY

Propylene glycol is very versatile. It is a solvent, an emulsifier, a binder, attracts water, reduces freezing point, increases boiling point and does not react with other chemistries. If you are looking for PG with an inhibitor, please try BioFROST® or BioFROST® Eco. If you want to be as safe and green as you can, please choose one of our many glycerin based products.

biopreferred logoOur propylene glycol, which is a 100% certified USDA Biobased Product through the USDA BioPreferred® Program, is manufactured by ADM by converting biobased glycerin into propylene glycol. The ADM proprietary technology uses a catalytic process known as hydrogenolysis to readily convert glycerin into propylene glycol. The reaction between glycerin and hydrogen takes place at high temperature and pressure over a unique catalyst to produce propylene glycol and water. As a result, propylene glycol is then purified using proprietary separation technology. 

PG is very low in toxicity and is listed as GRAS (generally recognized as safe) for use in food and pharmaceuticals. In fact, from a toxicological point of view, alcohol is more toxic than the same amount of propylene glycol.

Studies have also shown that propylene glycol is neither persistent nor does it bio-accumulate and is therefore readily biodegradable. There are no hazard classifications or labeling of PG.

  • Biobased
  • GRAS
  • Readlily Biodegradable
  • Water Soluble
  • Non-Hazardous
  • Low Freeze Points
  • High Boiling Points

 

APPLICATIONS

Designed to be diluted up to 80%*, PG is a good alternative for industrial and environmentally sensitive antifreeze, coolant/heat transfer and secondary refridgerant applications. PG is used in several industrial heat transfer/antifreeze applications such as:

• Closed Loop Systems
• Waste Heat Recovery
• Chillers
• Solar Systems
• Floor Heating Systems
• HVAC
• Geothermal Systems
• Hydrostatic/Pressure Testing


TESTING

Use testers designed for PG, DO NOT use testers designed for EG or glycerin. Freeze point range can quickly be determined by a PG refractometer (PG refractometer pictured right).

 

WHAT ABOUT MIXING FLUIDS

Fully compatible with other propylene glycol fluids.

*Note: Diluting PG more than 80% with water may be subject to bacterial contamination.

 

Defoamer

Addition of TRAMFLOC® 1142 FOAM CONTROL AGENT may be beneficial for some applications. TRAMFLOC® 1142 FOAM CONTROL AGENT is a nonionic, nonsilicone, food grade defoamer. TRAMFLOC® 1142 FOAM CONTROL AGENT performs well in a wide range of pH and temperatures. All ingredients used in the manufacture of TRAMFLOC® 1142 FOAM CONTROL AGENT are either GRAS or listed in the Code of Federal Regulations: Title 21, Section 173.340. Recommended use at 1 oz/ 10 - 20 gallons of system fluid.

Downloads & Links

propylene glycol

PDF Downloads

Product Data Sheet

SDS

ADM USDA BioPreferred Letter

 

Custom blends are available.

 

TYPICAL PROPERTIES

Color: Clear (Dye Available)
pH: 7
Odor: None
Specific Gravity: 1.04
Freeze Point: below -60F
Boiling Point: 370F 

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55 Gallon Drums and 275 and 330 Gallon Totes are only shipped to Commercial Business locations. We will not ship drums or totes until the address has been verified as a commercial business address. If you require delivery to a residential address (or farm), please call 800-460-2403.