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Solvents and alcohols

Isopropyl alcohol vs ethanol

Isopropyl alcohol (C3H8O, CAS 67-63-0) and ethanol (C2H6O, CAS 64-17-5) are both listed under alcohol and glycol solvents.

Isopropyl alcohol has a molar mass of 60.10 g/mol, ethanol 46.07 g/mol.

Measured boiling points are 82.3 °C for isopropyl alcohol and 78.2 °C for ethanol.

Both carry the GHS signal word Danger.

On CompoundList, 966 suppliers list isopropyl alcohol and 736 suppliers list ethanol.

Data last updated 7 October 2026

Isopropyl alcohol and ethanol compared side by side
Isopropanol chemical structure, C3H8O, CAS 67-63-0
Isopropyl alcohol
Ethanol chemical structure, C2H6O, CAS 64-17-5
Ethanol
Identity
Name in our databaseIsopropanolEthanol
CAS number67-63-064-17-5
Molecular formulaC3H8OC2H6O
Molar mass60.10 g/mol46.07 g/mol
IUPAC namepropan-2-olethanol
EC number200-661-7200-578-6
Physical properties
AppearanceColorless liquidClear, colorless, very mobile liquid
Melting point-87.9 °C-114.1 °C
Boiling point82.3 °C78.2 °C
DensityRelative density (water = 1): 0.790.7893 g/cm³ at 20 °C
Flash point12 °C14 °C
SolubilityIn water, infinitely soluble at 25 °CIn water, miscible /1 × 10⁺⁶ mg/L/ at 25 °C
LogP (octanol/water)Computed from the structure0.390
Safety (GHS)
Signal wordDangerDanger
Pictograms
GHS02: Flammable
GHS07: Harmful or irritant
GHS02: Flammable
Hazard statements
  • H225 Highly flammable liquid and vapour.
  • H319 Causes serious eye irritation.
  • H336 May cause drowsiness or dizziness.
  • H225 Highly flammable liquid and vapour.
UN or NA numberUN 3316NA 1987
Uses and classification
Uses and functions
  • Thickeners
  • Fragrance ingredients
  • Solvents
  • Corrosion inhibitors
  • Bronsted acid
  • Acid
  • Preservatives
  • Thickeners
  • Skin conditioning agents
  • Fragrance ingredients
  • Solvents
  • Disinfectants
CategoryPetrochemicals and solvents › Alcohol and glycol solventsPetrochemicals and solvents › Alcohol and glycol solvents
HS code290512Propan-1-ol (propyl alcohol) and propan-2-ol (isopropyl alcohol)220710Undenatured ethyl alcohol of an alcoholic strength by volume of 80 % vol or higher
Market on CompoundList
Suppliers966 suppliers736 suppliers
Supplier countries79 countries, most in India, United States, China65 countries, most in United States, China, India
Price rangeOnly prices set by suppliers who manage their own profilePrice on requestPrice on request

Measured and computed values as shown on each chemical page, plus live listings on CompoundList. Details may have changed, please confirm them with the supplier. Safety data is a summary, not an SDS.

Isopropyl alcohol
Ethanol

More comparisons

Other common chemical pairs, compared the same way.