Per Google Search..........
Iso-heet msds:
Appears to be 99% Methanol.
The msds for Methonol says Methyl Alcohol.
Isopropyl Alcohol msds:
Appears to be 100% Isopropyl Alcohol.
Google search:
Isopropyl alcohol is a slightly bigger molecule than ethanol (Methanol is CH4O, Ethanol is C2H6O and Isopropyl alcohol is C3H8O) and is often cheaper to make. It is not as poisonous as methanol (an ounce of methanol can kill you and a third of an ounce causes blindness). So it is useful as a solvent in the same way acetone is useful as a solvent. It also burns nicely.
Best Answer - Chosen by Voters (from
http://answers.yahoo.com/question/index?qid=20090803224903AAHwie6)
Methanol, CH3OH, is a 1 carbon alcohol. Only one place to put the OH.
Ethanol, CH3CH2OH, is a 2 carbon alcohol. The OH group, on either carbon, would not alter the compound. Both carbons are equivalent in this respect (not afterwards, though).
Isopropyl alcohol, CH3 CHOHCH3
It's a 3 carbon alcohol with the OH in the middle. It's considered a secondary alcohol. The OH group on either of the other 2 carbons would make it a primary alcohol, like methanol and ethanol. Primary, secondary and tertiary alcohols have behavioral differences.
This link may help explain some of these differences.
http://chestofbooks.com/food/beverages/A…