
2-Butoxyethanol (MF: C₆H₁₄O₂ MW: 118.17), an important alcohol ether compound produced by the etherification reaction of ethylene glycol and n-butanol. It exhibits dual chemical properties of both alcohols and ethers, possesses good stability, is resistant to decomposition at room temperature, and combines moderate water solubility with organic solvent compatibility. Consequently, it is one of the commonly used “universal solvents” in industry.
| Item | Specification |
| Melting point | -70°C |
| Boiling point | 171°C |
| Density | 0.902 g/mL at 25°C (lit.) |
| Vapor Density | 4.1 (vs air) |
| Vapor Pressure | <1 mmHg (20°C) |
| Refractive Index | n20/D 1.419 (lit.) |
| Flash Point | 140°F |
| Acidity Coefficient (pKa) | 14.42 ± 0.10 (Predicted) |
| Relative polarity | 0.444 |
| Freezing point | 18.4°C |
| Odor | Mild, distinctive, slightly acidic |
| Solubility | Miscible with water, ethanol, diethyl ether, acetone, benzene, and most organic solvents. |
As a solvent or co-solvent, dissolves alkyd resins, acrylic resins, etc., commonly used in water-based coatings, automotive paints, and printing inks.
Used for cleaning metal surfaces and electronic components, effectively removing grease and wax residues without leaving residues.
Serves as a dye solvent and textile auxiliary, promoting uniform dye dissolution while enhancing dye penetration into fabrics to optimize dyeing results.
Also functions as a hydraulic fluid additive and pesticide dispersant; used in small quantities as a cosmetic solvent (strict dosage control required).
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