TEST METHOD RANGE
Specific gravity USP 0.916-0.922
Refractive index USP 1.465-1.475
Heavy metals, Method II USP 0.001% max
Iodine value USP 120 - 141
Free fatty acids USP < 2.5 mL of 0.02 N NaOH
Saponification value USP 180 - 200
Unsaponifiable matter USP < 1.0%
Cottonseed oil USP passes
Peroxide USP 10.0 max
Fatty acid composition USP
palmitate C16:0 7 - 14
stearate C18:0 1 - 6
oleate C18:1 19 - 30
linoleate C18:2 44 - 62
linolenate C18:3 4 - 11