Isopropyl alcohol

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Colorless liquid with a pleasant smell. Isopropyl alcohol, or isopropanol, is used as a solvent for gums, shellac, oil nondrying oils, resin natural resins, and inks. It is also used as an antiseptic in cleansers and body lotions. Isopropanol is added to alcohol ethanol as a alcohol denaturant.

Synonyms and Related Terms

isopropanol; rubbing alcohol; IPA; dimethylcarbinol; sec-propyl alcohol; 2-propanol

Chemical structure

Isopropyl alcohol.jpg

Other Properties

Miscible with water, ethanol, ether, chloroform. Insoluble in salt solutions.

Composition (CH3)2CHOH
CAS 67-63-0
Melting Point -86
Density 0.7863
Molecular Weight mol. wt.=60.1
Refractive Index 1.3756
Boiling Point 82.4

Hazards and Safety

Flammable. Dangerous fire risk. Flash point = 12 C (54 F)

Skin contact may cause dryness and irritation. Toxic by ingestion and inhalation.

Mallinckrodt Baker: MSDS


Properties of Common Solvents


  • Richard S. Lewis, Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Michael McCann, Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 5227; ref. index=1.3756
  • CRC Handbook of Chemistry and Physics, Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: ref. index=1.375

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