Ethylene Glycol, Inhibited – FernTherm
| Formula: | C₂H₆O₂ |
| CAS Number: | 107-21-1 |
| EC Number (EINECS): | 203-473-3 |
| HS Code: | 29053100 |
| UN Number: | 3082 (Environmentally Hazardous Substance, liquid, n.o.s.) |
| IUPAC Name: | Ethane-1,2-diol |
| Also Known As: | Monoethylene Glycol; MEG; 1,2-Dihydroxyethane |
| Molecular Weight, g/mol: | 62.07 |
Typical Specifications
| Appearance: | Clear, colorless, hygroscopic liquid |
| Odor: | Slightly sweet |
| Melting Point, °C: | -12.9 |
| Boiling Point, °C: | 197.3 |
| Density, g/cm³ (at 20°C): | 1.113 |
| Flash Point, °C: | 111 (closed cup) |
| Refractive Index (20°C): | 1.431 |
| Solubility: | Miscible with water, alcohols |
| pH (1% solution): | 7.0–8.0 |
| Vapor Pressure (at 20°C): | 0.06 kPa |
| Purity, %: | ≥99.0 |
| Grades Available: | Industrial, FernTherm (Inhibited) |
| Packaging: | 25kg & 50kg drums, 1000kg IBC, bulk |
Applications / Uses
Primary Applications
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Used as an antifreeze and heat transfer fluid in cooling systems (automotive and industrial)
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Inhibited to protect metals from corrosion
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Component in HVAC and closed-loop hydronic systems
Secondary Applications
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Intermediate in chemical production (polyesters, resins)
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Used in de-icing formulations
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Laboratory reagent and solvent
End Industries Served: Automotive, HVAC, Industrial Heat Transfer, Chemical, Laboratory
Safety & Handling Information
Hazard Class (GHS): Toxic if ingested (Category 4); Environmental hazard
Hazard Statements (H-Codes):
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H302: Harmful if swallowed
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H373: May cause damage to organs through prolonged exposure
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H412: Harmful to aquatic life with long-lasting effects
Precautionary Statements (P-Codes):
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P260: Do not breathe dust/fume/gas/mist/vapors/spray
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P264: Wash thoroughly after handling
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P270: Do not eat, drink, or smoke when using this product
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P301 + P312: IF SWALLOWED – call a POISON CENTER/doctor if you feel unwell
Storage Conditions
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Store in a tightly closed container in a cool, dry, ventilated area
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Protect from freezing and contamination
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Keep away from incompatible materials (strong oxidizers)
Transport Information
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ADR/RID: UN3082, Class 9, PG III, environmentally hazardous liquid
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IMDG: UN3082, Class 9
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IATA: UN3082, Class 9
Regulatory Information
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REACH Status (EU): Registered
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FDA Approval: Not approved for direct food use
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ISO Certification: Available on request (ISO 9001 for quality grade)
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Country Standards: Complies with ASTM, BIS, and other industrial standards