REFINED SOYBEAN OIL U.S.P.
GENERAL SPECIFICATIONS
Soybean Oil is the refined fixed oil obtained from the seeds of the soya plant
Glycine soja (Fam. Leguminosae).
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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
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Color Gardner AOCS Td la-64 4 max
Appearance Greenish-yellow, bright & clear
oily liquid
Flavor and odor Bland, almost odorless
Typical peroxide value USP 26 < 1.0 meq/kg
Because of natural variations in oilseed crops, chemical and physical constants
cannot be guaranteed at all times. However, oil sold as USP is guaranteed to
meet the USP monograph.