Fatty Acids
Whole Oils
Neutralizers
Thickeners
Other
Palmitic Acid
Palmitic acid is derived from whole oils and is void of glycerin. It saponifies quickly and can cause cold processed soap to sieze. If the temperature of the soap is allowed to drop when using palmitic acid it can cause false trace. It is used to add hardness to sodium based soaps and to add thickness to liquid soaps. Palmitic acid has similar properties to stearic acid. Palmitic acid is not water soluble and can cloud liquid soaps.
Properties added to soap: Hardness
Bar (NaOH) SAP:0.1533
Liquid (KOH) SAP:0.2150
Iodine Value:0.5
INS Value:215
Benefits to biodiesel glycerin soaps:
- Palmitic acid will participate in glycerin negation when used in biodiesel glycerin soaps.
- Bar Soap - Palmitic acid can help to harden bar soap made with biodiesel glycerin.
- Liquid Soap - Biodiesel glycerin liquid soap will not benefit from the use of palmitic acid.
- Hybrid Soap - Palmitic acid can add creaminess to biodiesel soaps that use both sodium and potassium based glycerin.