N-Butanol
1-Butanol, also known as butan-1-ol or n-butanol, is a primary alcohol with the chemical formula C4H9OH and a linear structure. Isomers of 1-butanol are isobutanol, butan-2-ol and tert-butanol. The unmodified term butanol usually refers to the straight chain isomer.
1-Butanol occurs naturally as a minor product of the ethanol fermentation of sugars and other saccharides and is present in many foods and drinks. It is also a permitted artificial flavorant in the United States, used in butter, cream, fruit, rum, whiskey, ice cream and ices, candy, baked goods, and cordials. It is also used in a wide range of consumer products
Application
It is used in the manufacture of antibiotics, hormones, and vitamins. It is a solvent for paints, coatings, natural resins, gums, synthetic resins, dyes, alkaloids, and camphor.Other industrial uses include the manufacture of pharmaceuticals, polymers, perfumery, herbicide.
| Chemical formula | C4H10O |
|---|---|
| Molar mass | 74.123 g·mol−1 |
| Appearance | Colourless, refractive liquid |
| Odor | banana-like,[2] harsh, alcoholic and sweet |
| Density | 0.81 g/cm3 |
| Melting point | −89.8 °C (−129.6 °F; 183.3 K) |
| Boiling point | 117.7 °C (243.9 °F; 390.8 K) |
| Solubility in water | 73 g/L at 25 °C |
| Solubility | very soluble in acetone |
| log P | 0.839 |
| Vapor pressure | 0.58 kPa (20 °C) ILO International Chemical Safety Cards (ICSC) |
| Acidity (pKa) | 16.10 |
| Magnetic susceptibility (χ) | −56.536·10−6 cm3/mol |
| Refractive index (nD) | 1.3993 (20 °C) |
| Viscosity | 2.573 mPa·s (at 25 °C) [ |
| Dipole moment | 1.66 D |
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