CAS 109-86-4 Ethylene Glycol Monomethyl Ether, known in industry as EM and registered under CAS No. 109-86-4, is a colorless, transparent, and flammable liquid with the chemical identity of 2-methoxyethanol. Available in premium high-purity grades, this compound serves as a high-performance solvent tailored to niche industrial scenarios, especially in electronics manufacturing and advanced material R&D and production.
ems | Specifications |
Appearance | Colorless transparent liquid |
Assay | 99.5% MIN |
Moisture | 0.1% MAX |
Color (Platinum Cobalt) | 10 MAX |
Ethylene Glycol Monomethyl Ether (EM) Properties (CAS 109-86-4)
Chemical Formula: C₃H₈O₂ (2-Methoxyethanol)
Visual Characteristic: Clear, colorless liquid with no visible impurities
Purity Level: Supplied in top-tier purity grades
Flash Point: 43°C–46°C (110°F–115°F)
Specific Gravity: 0.96500 measured at a standard temperature of 25.00 °C
Boiling Range: 124°C to 125°C
Solubility Feature: Fully miscible with water, as well as organic solvents including acetone, ethanol, and diethyl ether
Primary Industrial Applications
Industrial solvent: Ethylene Glycol Monomethyl Ether (EM) is used for dissolving nitrocellulose, resins, varnishes and dyes.
Electronic chemicals: 2-Methoxyethanol is used in high-tech applications, including photoresist formulations.
Specialty applications: Used in research for electrolytes in lithium batteries and specialised medicine platforms.
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