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Ethylene glycol methyl ether

1. Basic Chemical PropertiesPropertyValueChemical NameEthylene glycol methyl etherCAS Number109

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1. Basic Chemical Properties

PropertyValue
Chemical NameEthylene glycol methyl ether
CAS Number109-86-4
Rumus MolekulerC₃H₈O₂
Molecular Weight76.09 g/mol
PenampilanColorless liquid
BauMild, ether-like
Boiling Point124-125°C (255-257°F)
Titik Melting-85°C (-121°F)
Density (20°C)0.965 g/cm³
Solubility in WaterMiscible
Titik Flash46°C (115°F) (closed cup)
Autoignition Temperature285°C (545°F)

2. Key Applications

IndustryPrimary Use
Paints & CoatingsSolvent for resins, lacquers, and dyes; improves flow and drying properties
ElectronicsCleaning agent for printed circuit boards (PCBs) and semiconductor components
PharmaceuticalsIntermediate in drug synthesis; solvent for bioactive compounds
Printing InksCarrier solvent for pigments; enhances print quality
AdhesivesImproves viscosity and bonding strength
Chemical SynthesisPrecursor for producing glycol ether derivatives

3. Safety & Handling Data

ParameterDetails
OSHA Exposure Limit (PEL)25 ppm (skin exposure risk)
NIOSH Recommended Limit0.1 ppm (potential reproductive hazard)
Health HazardsAcute: Dizziness, nausea
Chronic: Liver/kidney damage, anemia
FlammabilityCombustible (Class II)
Storage ConditionsCool, ventilated area; away from oxidizers and ignition sources
Spill ResponseAbsorb with inert material; avoid water dispersion

4. Environmental Impact & Regulations

AspectStatus
BiodegradabilityModerate (60–80% degradation in 28 days)
Aquatic Toxicity (LC50)1.000–5.000 mg/L (moderately toxic to fish)
VOC ComplianceRegulated as a volatile organic compound (VOC) in the US and EU
REACH StatusListed as a Substance of Very High Concern (SVHC) due to reproductive toxicity
Disposal MethodsIncineration or licensed hazardous waste facilities

5. Comparison with Similar Glycol Ethers

PropertyEGMEEthylene Glycol Ethyl Ether (EGEE)Propylene Glycol Methyl Ether (PGME)
ToksitasHighModerateLow
Evaporation RateFastMediumSlow
Solvent StrengthStrongStrongModerate
Regulatory StatusRestrictedLimited restrictionsUnrestricted
CostLowMediumHigh

6. Key Advantages & Limitations

Keuntungan

✔ Excellent solvent for polar and non-polar compounds

✔ Low production cost compared to alternatives

✔ Enhances coating adhesion and gloss

Limitations

✖ High toxicity (requires strict handling)

✖ Environmental persistence

✖ Increasing regulatory restrictions

Conclusion

Ethylene glycol methyl ether (EGME) remains a widely used industrial solvent despite its toxicity concerns. Its balance of solvent efficacy and cost-effectiveness ensures continued demand in coatings, electronics, and pharmaceuticals. However, users must adhere to strict safety protocols and monitor evolving regulations. Alternatives like PGME are gaining traction for less hazardous applications.

Penafian: Konten di atas hanya untuk referensi dan komunikasi antara orang dalam industri, dan tidak menjamin akurasi atau kelengkapannya. Menurut hukum dan peraturan yang relevan dan peraturan situs web ini, unit atau individu yang membeli barang terkait harus memperoleh kualifikasi dan kondisi kualifikasi yang valid.

Sebelumnya:Diethylene glycol methyl ether
berikutnyaLepaskan

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