Sciencemadness Discussion Board

Soaps - alcohol soluble.

FGP - 19-4-2004 at 03:40

Can somebody tell me - are potassium based soaps soluble in alcohol while sodium soaps are insoluble?
Thanks.
FGP
Herefordshire.
UK.

unionised - 19-4-2004 at 10:33

The oleates and stearates of both metals are soluble in alcohol.

FGP - 20-4-2004 at 03:10

Quote:
Originally posted by unionised
The oleates and stearates of both metals are soluble in alcohol.

Thanks.
I had a vague idea that the soft soaps based on potassium alkali might be more soluble than hard soaps based on sodium alkali.
FGP

soft vs hard: K vs Na

Magpie - 20-4-2004 at 20:12

Why does potassium hydroxide produce a soft soap whereas sodium hydroxide produces a hard soap?

This is a question posed in the organic chemistry class I took last year. I was never able to find the answer.

Cannot answer magpies query but....

Hermes_Trismegistus - 20-4-2004 at 23:32

I do know that dissolving soaps in alchohol is precisely the way those clear soaps are made.

For more detailed info consult...Making Transparent Soap by Catherine Failor