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Product Profile
Diethylene Glycol Monoethyl Ether (2-(2-Ethoxyethoxy)ethanol)
CAS No.: 111-90-0
Synonyms / IUPAC Name: Diethylene glycol monoethyl ether; 2-(2-ethoxyethoxy)ethanol
Molecular Formula: C₆H₁₄O₃
Molecular Weight: ~134.18 g/mol
Appearance: Colorless to almost colorless clear liquid
Physicochemical Properties (Typical)
- Melting Point: ~-76 °C
- Boiling Point: ~196–202 °C
- Density: ~0.99 g/cm³ at 20 °C
- Refractive Index: n²⁰ᴰ ≈ 1.427
- Solubility in Water: Completely miscible
- Flash Point: ~96 °C (closed cup)
- Vapour Density: ~4.6 (vs air)
Purity & Quality Standards
- Typical Purity: ≥ 99.0% (GC)
- Appearance: Clear liquid, free from visible particulates or haze
- Storage Recommendation: Store sealed in a cool (<30 °C), dry, well-ventilated place; protect from moisture and direct sunlight
Applications / Uses
- Versatile solvent for coatings, inks, paints, stains, and resins
- Mutual solvent and coalescent in latex paints, wood stains, and floor polish
- Intermediate in specialty chemical formulations and brake fluids
- Solubiliser in cosmetic and pharmaceutical topical formulations
Safety & Handling
- Flammability: Combustible liquid; vapours may form explosive vapour/air mixtures
- Health Hazards:
- Inhalation: May cause respiratory irritation or dizziness at high vapour concentrations
- Skin Contact: Prolonged or repeated contact may lead to irritation
- Eye Contact: May cause redness or irritation
- Precautions:
- Use in well-ventilated areas
- Wear appropriate gloves, goggles, and protective clothing
- Keep away from ignition sources and strong oxidisers
- Reactivity / Incompatibilities: Avoid strong oxidising agents, strong acids, acid chlorides, and anhydrides
Packaging & Storage
- Packaging: Supplied in sealed solvent-compatible containers suitable for industrial use
- Storage Conditions: Store in a cool (<30 °C), dry, well-ventilated area away from direct sunlight and ignition sources; keep containers tightly closed when not in use
- Shelf Life: Stable under recommended storage conditions; inspect container and appearance prior to use after long-term storage