Castor Oil, USP Grade *

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About Castor Oil, USP Grade

Castor Oil, also known as Ricinus Oil, Cosmetol, Vegetable Oil has the chemical formula C57H104O9. It appears as a pale yellow or clear transparent liquid free from any suspended matter. It has a mild odor and nauseating taste. It is completely insoluble in water and miscible with Methanol, Chloroform, Ether, and glacial Acetic Acid. Castor Oil, USP Grade is cold-pressed to produce the highest quality natural oil that does not lose its medicinal properties. Lab Alley’s Castor Oil, USP Grade contains 100 weight% castor oil. A USP Grade chemical is the one that conforms to the criteria of the United States Pharmacopeia (USP). A substance that has received the USP Grade certification can be used in food, drug, or medical applications. Due to the high purity, our Castor Oil is a USP Grade chemical. In the United States of America (USA), Lab Alley is selling its high-quality Castor Oil, USP Grade online at and is highly recommended for use as a laboratory chemical.

Common Uses and Applications

  • Lubricant
  • Pesticide
  • Solvent
  • Drug


  • Food additives
  • Cosmetics
  • Pharmaceuticals

Chemistry Table

Ricinus oil, Cosmetol, Neoloid, Phorbyol, Ricinol, Venelex, Xenaderm, Ricirus oil, Tangantangan oil
USP Grade

Castor Oil, USP Grade Specifications

Specific Gravity @ 25°C 0.952-0.966
Hydroxyl Value 160-168
Iodine Value 83-88
Saponification Value 176-182
Heavy Metals (as Pb) 10 mg/kg
Free Fatty Acids To Pass Test

Safety and Handling

Please contact us to request a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for Castor Oil USP.

One-Time Purchase

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Questions & Answers

  • Is this safe to be used in the eyes?

    We have no information on this. 
    Thank you.

  • Is this in a dark glass bottle

    We kindly ask that you contact our customer care team via e-mail at or via phone at 512-668-9928.
    Thank you.

  • Can you take this internally? Put it in your eyes?

    Castor oil is used for topical applications only. It is not recomended to be used in eyes or internally. 
    Thank you.