Iso Propyl Alcohol

Cas Number


Other Names



Rubbing alcohol

sec-Propyl alcohol




Dimethyl carbinol


The formula



Isopropyl alcohol (IUPAC name propan-2-ol; commonly called isopropanol) is a compound. It is a colorless, flammable chemical compound with a strong odor. As an isopropyl group linked to a hydroxyl group, it is the simplest example of a secondary alcohol, where the alcohol carbon atom is attached to two other carbon atoms. It is a structural isomer of 1-propanol. It has a wide variety of industrial and household uses, and is a common ingredient in chemicals such as antiseptics, disinfectants and detergents.

Physical and Chemical Properties
Physical state and appearance Colorless Liquid
Odor Pleasant. Odor resembling that of a mixture of ethanol and acetone
Molecular Weight 60.1 g/mole
Boiling Point 82.5°C (180.5°F)
Critical Temperature 235°C (455°F)
Flash point 11.667°C
Specific Gravity 0.78505 (Water = 1)
Water/Oil Dist. Coefficient The product is equally soluble in oil and water; log(oil/water) = 0.1
Dispersion Properties See solubility in water, methanol, diethyl ether, n-octanol, acetone
Solubility Easily soluble in cold water, hot water, methanol, diethyl ether, n-octanol, acetone. Insoluble in salt solution.
Purity (wt %) 99.915
Water content (wt %) 0.0134
Acidity as acetic acid (wt %) 0.0009
Distillation range at 760 mm Hg 82.1~82.6
Non-volatile matter ( mg/100 ml) 1.02

1. It is used in synthetic polymers, such as phenolic varnishes and nitrocellulose lacquers

2. It is used in cements, primers, paints, and inks

3. It is used in manufacturing of electronic parts, for metals and photographic films and papers, in glass cleaners, liquid soaps & detergents, and in aerosols

4. Pharmaceutical products: embrocations, massage solutions

5. It is used in insect repellants, hair sprays, deodorants, air-fresheners

6. Medical and veterinary products: antiseptics, foot fungicides, first aid and medical vapour sprays, skin soothers, veterinary pink eye, wound, and dehorning sprays, house and garden type insecticides