Glycols and Glycol Ethers

Ethylene Glycol, Propylene Glycol & PEG 200 — all grades

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About Glycols and Glycol Ethers

Buy glycols, inhibited coolants, and glycol-related products from Alliance Chemical. This hub covers ethylene glycol, propylene glycol, glycol ethers, premixed heat-transfer fluids, inhibited concentrates, DI-water blends, and high-purity options for HVAC, data center, process cooling, food-support, and industrial applications.

Product Families In This Collection

This collection includes ethylene glycol 50/50 and 60/40 premixes, 100% inhibited ethylene glycol, propylene glycol products, glycol ethers, semiconductor-grade options, and related coolant materials. Select product form by freeze protection, toxicity profile, corrosion inhibitor package, and system specification.

Common Applications

  • HVAC and process cooling: Inhibited glycol coolants support closed-loop chillers, hydronic systems, heat exchangers, and industrial process cooling.
  • Data center and electronics cooling: Glycol and DI-water blends support engineered cooling loops where thermal performance, corrosion control, and water quality are managed.
  • Food and beverage support systems: Propylene glycol is often evaluated where lower toxicity is required or where incidental-contact risk changes the system specification.
  • Industrial solvent and formulation use: Glycol ethers provide coupling, cleaning, and solvency performance in compatible coatings, cleaners, and process formulations.

Selection Notes

Choose ethylene glycol for many industrial heat-transfer systems where toxicity controls are acceptable. Choose propylene glycol where the system specification calls for lower toxicity. Choose inhibited products for closed loops, and use DI water when the blend specification requires controlled ionic content.

Safety & Handling

Ethylene glycol is harmful if swallowed; propylene glycol has a different toxicity profile but still requires process controls. Store coolants in clean, compatible containers, prevent cross-contamination, control spills, and dispose of spent glycol according to local requirements. Review the Safety Data Sheets before use and follow your site-specific handling procedure.

Why Buy From Alliance Chemical

Most in-stock glycol and coolant products ship from Taylor, Texas with SDS support and lot documentation where applicable. Bulk quotes are available for facility and process-cooling programs.

Related: Ethylene Glycol, Propylene Glycol, Coolants & Antifreeze, Deionized Water.

Frequently Asked Questions

What is the difference between ethylene glycol and propylene glycol?
Both are used in heat-transfer applications, but they differ in toxicity profile, regulatory suitability, freeze protection behavior, and system specifications.
What does inhibited glycol mean?
Inhibited glycol contains additives designed to control corrosion, scale, and fouling in compatible closed-loop systems.
Should I buy premixed or concentrated glycol?
Premixed glycol is ready to use at a defined ratio. Concentrate is useful when dilution will be controlled on site using the specified water quality.
Why use deionized water with glycol?
DI water helps control dissolved ions that can contribute to corrosion, conductivity, scale, or deposits in sensitive cooling systems.
Can glycol coolants be used in food plants?
Use only the glycol type, grade, and inhibitor package approved for the specific system. Propylene glycol is commonly evaluated for food-adjacent support systems, but approval depends on the application.