TEST METHOD RANGESpecific gravity @ 25øC USP 0.912-0.920Iodine value USP 84 â 100Saponification value USP 185 â 195Free fatty acids USP < 2.0 mL of 0.02 N NaOHCottonseed oil USP absentRefractive index @ 40øC USP 1.462-1.464Heavy metals, Method II USP 0.001% maxRancidity USP passesSolidification range of F/A USP 26ø â 30øUnsaponifiable matter USP < 1.5%Color Gardner AOCS Td la-64 4 maxAppearance Pale yellow, bright & clear oily liquidFlavor and odor Bland, almost odorless.
TYPICAL FATTY ACID COMPOSITION (%)C14:0 < 0.2 C18:3 < 2.0C16:0 6 â 15.5 C20:0 1 â 2.5C16:1 < 1.0 C20:1 0.5 â 2.1C18:0 1.3 â 6.5 C20:4 1 â 2.5C18:1 36 â 72 C22:0 1.5 â 4.8C18:2 13 â 45 C24:0 1.0 â 2.5