About
Grapeseed Oil is rich in linoleic acid (68%). Very rich in polyunsaturated fatty acids, it makes a gentle but soft soap that is more prone to rancidity (orange spots), so it is best kept to a small share of the recipe.
Values
Saponification value (KOH)
181
mg KOH / g of oil
Saponification value (NaOH)
0.129
g NaOH / g of oil
INS
66
Iodine value
131
How much lye for 1 kg?
For 1,000 g of Grapeseed Oil with 5% superfat:
Sodium hydroxide (NaOH)
122.8 g
Potassium hydroxide (pure KOH)
172.0 g
i.e. 191.1 g of 90% pure KOH
These amounts apply to a soap made with this oil only. For a blend of oils, use the calculator.
Fatty acid profile
Soap qualities (oil used alone)
Values for a soap made with 100% of this oil, compared with the recommended range for a complete recipe.
Oils with a similar profile
Fats whose fatty acid composition is closest to this one: useful to find a substitute.