FDA  Registered Castor Oil - Pale Pressed, All Natural
cGMP  Proven  Quality


Castor Oil - Pale Pressed

Welch Holme Clark Inc supplies castor oil for various industries. Please contact us for prices and information.

The uses of castor oil have changed over the years. Sixty years ago, castor oil was used for medicinal purposes and as a general industrial lubricant. Soon after, chemical engineers were able to produce derivatives of the oil that were of even more benefit to man. Sulfonated (sulfated) castor oil, or Turkey Red Oil , was the first synthetic detergent after ordinary soap, and other forms of the oil became important for the treatment of leather, industrial lubricants, and other industrial uses. Today, chemical engineers have come up with many uses of castor oil and its derivatives such as: polyamide 11 (Nylon 11) engineering plastic, lubricating grease, coatings, inks, sealant, aircraft lubricants, surfactants, emulsifiers, encapsulants, plastic films, plasticizer for coatings, and components for shatterproof safety glass. Castor oil has even made its way into cosmetics and related products due to its non comedogenicity. Obviously, castor oil and its derivatives have become an important commodity and is again a topic of interest to the chemical industry.

In 1972, economic pressures created circumstances which led to the United States losing its domestic supply of castor oil and the US became dependent on foreign countries for both the seed and the oil. As of 1991, any castor seed produced in the US has to be shipped to Mexico for expression of the oil from the seed.

c GMP Certified - FDA Registered - Kosher

Castor Oil is the fixed oil obtained from the seed of Ricinus communis Linne (Fam. Euphorbiaceae).  




Specific gravity @ 25C



Iodine value


83 - 88

Free fatty acids


< 3.5 mL of 0.10 N NaOH

Hydroxyl value


160 - 168


Color Gardner

AOCS Td la-64

3 max


Characteristically clear and free from suspended matter


Flavor and Odor

Slight, characteristic





0.8 - 1.8


3.5 - 6.8


0.8 - 2.0


82 - 95


3.0 - 6.0



(Fatty acid composition is provided for informational purposes only and is not part of a standard batch analysis.)

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Welch, Holme & Clark Co., Inc.
7 Avenue L, Newark, NJ 07105    USA
Tel: 973-465-1200    "    Fax: 973-465-7332     "    Traffic Fax: 973-465-3486

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