Grapeseed Oil
INCI Vitis Vinifera Seed Oil. Saponified with NaOH it is listed as Sodium Grapeseedate, with KOH as Potassium Grapeseedate. CAS 85594-37-2, 84929-27-1, 8024-22-4; EC 287-896-9, 284-511-6, as CosIng gives them. Also: Grape seed oil, Vitis vinifera seed oil.
Published values
| Saponification value | 188–194 mg KOH/g |
| Used by the calculator | 191.0 mg KOH/g (midpoint) |
| SAP for NaOH | 0.1362 g/g |
| Iodine value | 128–150 g I₂/100 g |
| INS (SAP − IV) | 52 |
| Melting point | — |
| Unsaponifiable matter | ≤ 2 % |
Soapmaking books print about 0.131 g NaOH per g (median of 6 books). Books print 0.126-0.135 g NaOH per g for grapeseed oil. The Codex standard gives 188-194 mg KOH/g and the oil's fatty acids, mostly linoleic, say 192, so the lower book figures are too low; we use 191 (0.136).
A bar made of 100 % Grapeseed Oil
Conventional qualities summed from the fatty-acid groups; a single-oil bar is a reference point, not a recipe.
How much lye
| Oil | NaOH | KOH |
|---|---|---|
| 500 g | 64.7 g(63.7–65.7) | 90.7 g(89.3–92.2) |
| 1 kg | 129.4 g(127.3–131.4) | 181.5 g(178.6–184.3) |
| 1 lb (454 g) | 58.7 g(57.8–59.6) | 82.3 g(81.0–83.6) |
| 2 lb (907 g) | 117.3 g(115.5–119.2) | 164.6 g(162.0–167.2) |
For this oil alone at 5 % superfat, with pure sodium hydroxide (NaOH) or pure potassium hydroxide (KOH); in brackets, across the published range of its saponification value. KOH is usually sold at 90 %: divide by 0.9. For a whole recipe, open the calculator.
Fatty-acid profile
Saturated : unsaturated 14 : 86
| Fatty acid | Published range, % | Used | |
|---|---|---|---|
| Myristic acid | C14:0 · saturated | 0–0.3 | 0.2 |
| Palmitic acid | C16:0 · saturated | 5.5–11 | 8.3 |
| Palmitoleic acid | C16:1 | 0–1.2 | 0.6 |
| Stearic acid | C18:0 · saturated | 3–6.5 | 4.8 |
| Oleic acid | C18:1 | 12–28 | 20.0 |
| Linoleic acid | C18:2 | 58–78 | 68.0 |
| α-Linolenic acid | C18:3 n-3 | 0–1 | 0.5 |
| Arachidic acid | C20:0 · saturated | 0–1 | 0.5 |
| Gadoleic acid | C20:1 | 0–0.3 | 0.2 |
| Behenic acid | C22:0 · saturated | 0–0.5 | 0.3 |
| Erucic acid | C22:1 | 0–0.3 | 0.2 |
| Lignoceric acid | C24:0 · saturated | 0–0.4 | 0.2 |
Guides that discuss it
Where these numbers come from
Verbatim mirror of the FAO file CXS_210e.pdf; the official FAO link was Cloudflare-gated at retrieval. Table 1 (Section 3.1) = mandatory GLC fatty-acid ranges, % of total fatty acids, ND = not detectable (<=0.05%). Table 2 (Appendix 'Other quality and composition factors') gives saponification value, iodine value (Wijs) and unsaponifiable matter of CRUDE oils; the Appendix is explicitly ADVISORY (a product not meeting it may still conform). This print predates the 2021-2025 amendments; the 2024 additions (avocado, camellia seed, sacha inchi, high-oleic soya bean) are not included.
Fatty acids from CXS 210 Table 1 (mandatory GLC ranges, % of total fatty acids; 'ND' = not detectable, <=0.05%, entries that are ND-only are omitted; C17:0, C17:1, C20:2, C22:2 and C24:1 columns omitted because they are outside the acids this database records). The saponification value, the iodine value and the unsaponifiable share from Appendix Table 2 (crude oils; ADVISORY, not mandatory; unsaponifiable converted from g/kg). No 'typical' values are printed in the standard, so none are given. Appendix: erythrodiol content should be more than 2 % of total sterols.
This record is part of the open ingredient database (ODbL), which you can download as CSV or JSON. Found an error or a better primary source? Corrections with a link to the document are welcome at support@soapformulator.com.