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Product Overview
Ethylene Glycol 50/50 is a precision-blended aqueous solution containing ethylene glycol (Monoethylene Glycol or MEG) and water. Designed for immediate application in industrial and automotive thermal management systems, this pre-mixed formulation eliminates the need for on-site dilution and water quality testing.
The 50/50 ratio provides an optimal balance of thermal conductivity and freeze protection, making it a standard choice for closed-loop cooling systems, chiller circuits, and process heat exchangers. As a versatile heat transfer fluid, it maintains predictable rheology and pumpability across a wide operating temperature range. This product meets high-purity specifications, ensuring compatibility with standard industrial metals and elastomers used in manufacturing and cooling infrastructure.
Key Properties
- CAS Number: 107-21-1
- Formula: C2H6O2
- Appearance: Clear, colorless liquid
- Odor: Slightly sweet
- Boiling Point: 197.6°C
- Specific Gravity (20°C): 1.07
- Solubility: Miscible in water and alcohols
- Molecular Weight: 62.07 g/mol
Common Applications
- Heat Transfer Fluid: Used in closed-loop cooling and process heating where stable thermal conductivity and low viscosity are required for pumpability.
- Industrial Antifreeze: Prevents freezing and minimizes overheating in heavy-duty cooling systems and radiator circuits.
- Chiller Systems: Standard coolant for industrial chillers and HVAC applications requiring immediate implementation.
- De-icing Agent: Applied to surfaces and equipment requiring low-temperature protection and ice control.
- Hydraulic Fluid Component: Supports lubrication and thermal management in specific hydraulic circuits.
Safety and Handling
Handle Ethylene Glycol 50/50 with care. Store in tightly closed containers (HDPE or stainless steel recommended) in a cool, dry area away from direct sunlight. Ensure proper ventilation during use. Wear appropriate Personal Protective Equipment (PPE), including chemical-resistant gloves and safety goggles, to prevent skin and eye contact.
This product is chemically classified under CAS 107-21-1. While it offers excellent thermal properties, Ethylene Glycol is toxic if ingested. For applications where incidental food contact is possible, Propylene Glycol is the recommended alternative. Refer to the Safety Data Sheet (SDS) for detailed emergency procedures, spill containment, and disposal regulations regarding UN 3082 environmentally hazardous substances.
Benefits
- Ready-to-Use: Pre-mixed 50/50 ratio allows for immediate system filling without dilution.
- Thermal Stability: Consistent heat transfer capabilities for demanding industrial environments.
- System Compatibility: Miscible with water and common alcohols; compatible with standard system seals and metals.
- Quality Assurance: Manufactured to standards with rigorous impurity controls.
Related Products
| Property | Value |
|---|---|
| Molecular Weight | 62.07 g/mol |
| Formula | C2H6O2 |
| Assay | 50% |
| Flash Point | 111 |
| Form | Liquid |
| Solubility | Water-soluble, miscible with organic solvents |
| Appearance | Clear, viscous, colorless liquid solution |
| Melting Point | -13 °C |
| Boiling Point | 197 °C |
| Specific Gravity | 1.07 |
| Industry | Industrial, Wastewater, Petroleum, Manufacturing, Power Generation |
Frequently Asked Questions About Ethylene Glycol 50/50
What is Ethylene Glycol 50/50 and what is its chemical formula?
Ethylene Glycol 50/50 is a chemical compound with the molecular formula C2H6O2, registered under CAS Number 107-21-1 by the Chemical Abstracts Service (PubChem), with a molecular weight of 62.07 g/mol. Alliance Chemical supplies Ethylene Glycol 50/50 for laboratory, industrial, and commercial applications.
What are the physical properties of Ethylene Glycol 50/50?
According to the NIOSH Pocket Guide to Chemical Hazards, Ethylene Glycol 50/50 is supplied as a clear, viscous, colorless liquid solution. It has a melting point of -13°C, a boiling point of 197°C, a flash point of 111. The specific gravity is 1.07 relative to water. Solubility: Water-soluble, miscible with organic solvents.
What grade and purity of Ethylene Glycol 50/50 does Alliance Chemical offer?
Alliance Chemical offers Ethylene Glycol 50/50 with a purity assay of 50%. Every lot ships with a Certificate of Analysis (COA) and Safety Data Sheet (SDS) prepared in accordance with OSHA Hazard Communication Standard 29 CFR 1910.1200 and GHS Revision 7. Download SDS.
What are common industrial applications of Ethylene Glycol 50/50?
Ethylene Glycol 50/50 serves a wide range of sectors, including Industrial, Wastewater, Petroleum, Manufacturing, and Power Generation.Alliance Chemical provides the documentation and quality certifications required for use in regulated environments.
What PPE is required when handling Ethylene Glycol 50/50?
OSHA-mandated PPE per 29 CFR 1910.132-138:Nitrile gloves (8+ mil), safety goggles, flame-resistant clothing, grounded footwear, closed-toe chemical-resistant footwear. Respiratory protection (organic vapor cartridge) required in areas exceeding PEL/TLV per 29 CFR 1910.134. Emergency eyewash station and safety shower must be accessible within 10 seconds per ANSI Z358.1. Consult the SDS available from Alliance Chemical for complete PPE requirements.
What are the storage requirements for Ethylene Glycol 50/50?
Store perOSHA 29 CFR 1910.106: Approved flammable storage cabinet, maximum 60 gallons per cabinet, grounding/bonding required. Temperature range:15-25°C. Segregate from:oxidizers, ignition sources. Maximum storage:2-3 years unopened.
What is the emergency spill procedure for Ethylene Glycol 50/50?
Emergency response per EPA SPCC (40 CFR 112) and OSHA 29 CFR 1910.120: (1) Alert personnel, evacuate area to 100 feet. (2) Eliminate ignition sources if flammable. (3) Don PPE per SDS Section 8. (4) Stop leak if safe; use emergency shutoffs. (5) Contain with non-combustible absorbent materials, dike with sand/earth. (6)Absorb with vermiculite or commercial spill kits. (7) Collect in DOT-approved containers, label as hazardous waste. Check 40 CFR 302.4 for Reportable Quantity. Emergency: Chemtel 1-800-255-3924 (24/7). Non-emergency: Alliance Chemical 512-365-6838.
What is the DOT shipping classification for Ethylene Glycol 50/50?
DOT Classification per 49 CFR 172.101:UN1993 (Flammable Liquid, N.O.S.), Hazard Class3 (Flammable), Packing GroupII/III. Requires: Hazmat shipping papers (49 CFR 172.200), UN specification packaging (49 CFR 173), hazmat labels (172.400). Alliance Chemical ships all orders in DOT-compliant packaging with proper documentation.
How must Ethylene Glycol 50/50 waste be disposed?
Disposal per RCRA (40 CFR 261-265):Characteristic waste D001 (Ignitable, flash point <60°C). Generator requirements: EPA ID number required if >100 kg/month (40 CFR 262.12). Use EPA-permitted Treatment, Storage, Disposal Facility (TSDF). Never discharge to sewer without POTW written approval (40 CFR 403). Container disposal: Triple rinse (40 CFR 261.7), offer for reconditioning/recycling. State regulations may be more stringent — check with your local environmental agency. Consult the Alliance Chemical SDS for product-specific disposal guidance.
Does Alliance Chemical provide an SDS and COA for Ethylene Glycol 50/50?
Yes. Alliance Chemical provides a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for every lot of Ethylene Glycol 50/50. The SDS is prepared in accordance with OSHA Hazard Communication Standard 29 CFR 1910.1200 and the Globally Harmonized System (GHS) Revision 7, covering all 16 required sections including hazard identification, first aid measures, firefighting measures, handling and storage, exposure controls, and regulatory information. The SDS is available for download directly from this product page. COAs are available upon request by contacting Alliance Chemical at 512-365-6838.
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