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

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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
miscible with ethanol, ethyl ether
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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