Overview
Ethylene glycol monomethyl ether (CAS 109-86-4 ), also known as Methyl Glycol or EGME, is a slow-evaporating glycol ether solvent used across coatings, printing, and polymer processing.
Its controlled evaporation rate and compatibility with both water-based and solvent-based systems make it a practical choice for formulators managing film formation and flow during production.
In industrial coatings and lacquers, EGME improves flow, leveling, and film uniformity, reducing surface defects in spray and brush applications. Printing ink manufacturers use it to control drying speed.
It helps maintain viscosity stability across solvent and water-reducible ink systems. In adhesive and sealant formulations, it functions as a carrier solvent that aids resin dissolution and extends open time.
Polymer and resin producers also incorporate it as a reactive diluent or curing co-solvent in epoxy and nitrocellulose-based systems. This versatility makes it a staple in chemical manufacturing.
Ethylene glycol monomethyl ether is supplied as a clear liquid in drum, IBC, and bulk quantities. Technical grade is the standard commercial specification, with purity levels typically at 99% or higher.
Buyers should confirm purity, water content, and acidity specifications against their formulation or process requirements. Proper storage and handling are essential for maintaining chemical integrity.
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Physical Properties
| Melting Point | -85.1 °C |
| Boiling Point | 124.1 °C |
| Density | 0.96 g/cm³ |
| Flash Point | 115 °F |
| Appearance | Ethylene glycol monomethyl ether is a colorless liquid with a slight ethereal odor. The Odor Threshold is 0.92.3 ppm. |
| Color | green cap |
| Odor | Mild ethereal. |
| Form | Liquid |
| Water Solubility | SOLUBLE |
| Vapor Pressure | 6.17 mm Hg ( 20 °C) |
| Refractive Index | n 20/D 1.402(lit.) |
| pH | 7 (20°C) |
| Log P | -0.77 at 20℃ |
Safety & Handling
Danger GHS02 GHS07 GHS08 GHS06 Hazard Statements H226 Flammable liquid and vapor H302 Harmful if swallowed H303 May be harmful if swallowed H312 Harmful in contact with skin H316 Causes mild skin irritation H320 Causes eye irritation H331 Toxic if inhaled H332 Harmful if inhaled H335 May cause respiratory irritation H336 May cause drowsiness or dizziness H360 May damage fertility or the unborn child H370 Causes damage to organs H372 Causes damage to organs through prolonged or repeated exposure H373 May causes damage to organs through prolonged or repeated exposure H302+H312+H332 Harmful if swallowed, in contact with skin or if inhaled Precautionary Statements P203 Obtain, consult and follow expert instructions for use. P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof [electrical/ventilating/lighting/…] equipment. P242 Use non-sparking tools. P243 Take action to prevent static discharges. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P316 Get emergency medical help immediately. P317 Get emergency medical help. P318 IF exposed or concerned, get medical advice. P319 Get medical advice/attention if you feel unwell. P321 Specific treatment (see … on this label). P330 Rinse mouth. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P264+P265 Wash … thoroughly after handling. P301+P317 Get emergency medical help. P302+P352 IF ON SKIN: Wash with plenty of water. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P308+P316 Get emergency medical help immediately. P332+P317 Get emergency medical help. P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P370+P378 Use … for extinction. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P403+P235 Store in a well-ventilated place. Keep cool. P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Trade & Regulatory
| HS Code | 29094900 |
| UN Number | 1188 |
| ADR Class | 3 |
| Packing Group | III |
| Storage Class | 3 - Flammable liquids |
| WGK (Germany) | 3 |
Other Names
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Chemical Properties
- CAS Number
- 109-86-4
- EC Number
- 203-713-7
- Mol. Weight
- 76.09
- HS Code
- 29094900
- Category
- Alcohols & Glycols