Butyl Glycols
2-Butoxyethanol is an organic compound with the chemical formula BuOC2H4OH (Bu = CH3CH2CH2CH2). This colorless liquid has a sweet, ether-like odor, as it derives from the family of glycol ethers, and is a butyl ether of ethylene glycol. As a relatively nonvolatile, inexpensive solvent, it is used in many domestic and industrial products because of its properties as a surfactant. It is a known respiratory irritant and can be acutely toxic, but animal studies did not find it to be mutagenic, and no studies suggest it is a human carcinogen. A study of 13 classroom air contaminants conducted in Portugal reported a statistically significant association with increased rates of nasal obstruction and a positive association below the level of statistical significance with a higher risk of obese asthma and increased child BMI.
Application
Butyl glycol usage is dominated by the paint industry which consumes approximately 75 % of all the BG produced.use as a solvent in printing inks and textile dyes and as a component of hydraulic fluids.Butyl glycol is also something that is used regularly in most households as it is a component of many home cleaning products. It provides very good cleaning power for domestic cleaning product.
| Chemical formula | C6H14O2 |
|---|---|
| Molar mass | 118.176 g·mol−1 |
| Appearance | Clear, colorless liquid |
| Density | 0.90 g/cm3, liquid |
| Melting point | −77 °C (−107 °F; 196 K) |
| Boiling point | 171 °C (340 °F; 444 K) |
| Solubility in water | Miscible (and in most organic solvents) |
| Vapor pressure | 0.8 mmHg |
| Acidity (pKa) | High pKa for −OH group |
| Refractive index (nD) | 1.4198 (20 °C) |
| Viscosity | 2.9 cP at 25 °C (77 °F) |
| Dipole moment | 2.08 D |
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