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Ethylene glycol

CAS Number
107-21-1
EC Number
203-473-3
Chemical Formula
C2H6O2
Molecular Weight
62.07 g/mol

Description

Ethylene glycol (CAS 107-21-1 ), commonly traded as MEG or monoethylene glycol, is a dihydric alcohol used across industrial manufacturing as an antifreeze agent, solvent, and polymer building block. Its low freezing point depression and high boiling point make it a primary functional ingredient in heat transfer and coolant systems. Demand is driven largely by polyester fiber and PET resin production. In the automotive and HVAC sectors, MEG is the base component in engine coolants and antifreeze formulations, protecting systems across wide temperature ranges. It acts as a core monomer in these processes. Polyester manufacturers consume it at scale as a co-monomer in PET bottle-grade resin, packaging film, and textile fiber production. In personal care, it functions as a humectant and solvent in lotions. It is also used in creams and hair care formulations where moisture retention and ingredient solubility are required. Paper and leather processing operations use it as a conditioning and softening agent. These applications improve the flexibility and workability of finished materials. Ethylene glycol is supplied as a clear, low-viscosity liquid in bulk tankers, IBC containers, and drums for global distribution. Standard commercial grades include technical-grade for industrial and polymer applications, and fiber-grade MEG meeting purity specifications required by polyester producers for high-quality manufacturing. Antifreeze-grade and inhibited formulations are also available for direct use in coolant applications. Our supply chain ensures consistent availability and adherence to rigorous industrial safety protocols. Contact us for supply of Ethylene glycol Request Quote

Other Names (Synonyms)

monoethylene glycol | glycol alcohol | ethylene alcohol | ethane-1,2-diol | 2-hydroxyethanol | 1,2-ethanediol | 1,2-dihydroxyethane | glycol | MEG | E600

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

Physical Properties

Melting Point-13 °C
Boiling Point197.3 °C
Density1.1135 g/cm³ @ Temp: 20 °C
Flash Point230 °F
AppearanceEthylene glycol is a colorless, viscous, hydroscopic liquid with a sweetish taste. Often colored fluorescent yellow-green when used in automotive antifreeze. Ethylene glycol is odorless and does not provide any warning of inhalation exposure to hazardous concentrations. The Odor Threshold in air is 25 ppm.
Colorblue
OdorOdorless
FormViscous Liquid
Water Solubilitymiscible
Vapor Pressure0.08 mm Hg ( 20 °C)
Refractive Indexn 20/D 1.431(lit.)
pH6-7.5 (100g/l, H2O, 20℃)
Log P-1.36 at 25℃

Safety & Handling

Warning
GHS07· IrritantGHS08· Health Hazard

Hazard Statements

H302Harmful if swallowed
H303May be harmful if swallowed
H315Causes skin irritation
H316Causes mild skin irritation
H320Causes eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
H336May cause drowsiness or dizziness
H360May damage fertility or the unborn child
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H373May causes damage to organs through prolonged or repeated exposure

Precautionary Statements

P203Obtain, consult and follow expert instructions for use.
P260Do not breathe dust/fume/gas/mist/vapours/spray.
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P264Wash … thoroughly after handling.
P270Do not eat, drink or smoke when using this product.
P271Use only outdoors or in a well-ventilated area.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P317Get emergency medical help.
P318IF exposed or concerned, get medical advice.
P319Get medical advice/attention if you feel unwell.
P321Specific treatment (see … on this label).
P330Rinse mouth.
P405Store locked up.
P501Dispose of contents/container in accordance with local regulations.
P265Wash … thoroughly after handling.
P317Get emergency medical help.
P352IF ON SKIN: Wash with plenty of water.
P340IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P316Get emergency medical help immediately.
P317Get emergency medical help.
P317If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P364Take off contaminated clothing and wash it before reuse.
P233Store in a well-ventilated place. Keep container tightly closed.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code29053100
UN Number1219
ADR Class3
Packing GroupII
Storage Class10 - Combustible liquids
WGK (Germany)3