Hanson Chemicals

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

  • Used as an antifreeze and heat transfer fluid in cooling systems (automotive and industrial)

  • Inhibited to protect metals from corrosion

  • Component in HVAC and closed-loop hydronic systems

Secondary Applications

  • Intermediate in chemical production (polyesters, resins)

  • Used in de-icing formulations

  • 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):

  • H302: Harmful if swallowed

  • H373: May cause damage to organs through prolonged exposure

  • H412: Harmful to aquatic life with long-lasting effects

Precautionary Statements (P-Codes):

  • P260: Do not breathe dust/fume/gas/mist/vapors/spray

  • P264: Wash thoroughly after handling

  • P270: Do not eat, drink, or smoke when using this product

  • P301 + P312: IF SWALLOWED – call a POISON CENTER/doctor if you feel unwell

Storage Conditions

  • Store in a tightly closed container in a cool, dry, ventilated area

  • Protect from freezing and contamination

  • Keep away from incompatible materials (strong oxidizers)

Transport Information

  • ADR/RID: UN3082, Class 9, PG III, environmentally hazardous liquid

  • IMDG: UN3082, Class 9

  • IATA: UN3082, Class 9

Regulatory Information

  • REACH Status (EU): Registered

  • FDA Approval: Not approved for direct food use

  • ISO Certification: Available on request (ISO 9001 for quality grade)

  • Country Standards: Complies with ASTM, BIS, and other industrial standards

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