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Chemistry
Soaps and Detergents

Is there salt in soap?

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November 08, 2010 11:55AM

NO, THERE IS NO SALT IN SOAP!!!

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Sodium Chloride (NaCl) is often called Salt or Table Salt.

However, technically it is only one type of salt.

In Chemistry, a salt is any ionically bonded compound.

Lye Soap is a type of soap formed by an ionic bond between Sodium (Na+) and the conjugate base of a fatty acid (ROO-)

ROO-Na+

And thus, Lye Soap IS A SALT.

Salts will dissociate into their ionic constituents in water. Soap is not required for that step.