The castor oil is native from Central Africa, it can be found as an ornamental plant, in all regions of tropical and subtropical zone. Also cultivated for the production of industrial oils in several countries of the world, especially in India and Brazil. It was used as a long-term medicinal plant during the past.
Castor Oil is the fixed oil obtained from the seed of Ricinus communis Linné (Fam. Euphorbiaceae).
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Specifications
Specific Gravity Range at 25ºC According to United States Pharmacopeia (USP) Test Method |
N/A 0.957 to 0.961 |
Iodine Value Range According to United States Pharmacopeia (USP) Test Method |
N/A 83 to 88 |
Saponification Value Range According to United States Pharmacopeia (USP) Test Method |
N/A 176 to 182 |
Free Fatty Acids Value for 0.10 Normal Sodium Hydroxide (NaOH) According to United States Pharmacopeia (USP) Test Method |
N/A <3.5 mL |
Maximum Method 2 Heavy Metals Value According to United States Pharmacopeia (USP) Test Method |
N/A 0.001 % |
Hydroxyl Value Range According to United States Pharmacopeia (USP) Test Method |
N/A 160 to 168 |
Distinction from Most Other Fixed Oils According to United States Pharmacopeia (USP) Test Method |
N/A Passes |
Maximum Color Gardner According to American Oil Chemists Society (AOCS) Td la-64 Test Method |
N/A 3 |
Appearance |
N/A Characteristically clear and free from suspended matter |
Odor |
N/A
Slight Characteristic |
| Typical Fatty Acid Composition Value Range for C16:0 Lipid Number1 | N/A 0.8 to 1.8 % |
| Typical Fatty Acid Composition Value Range for C18:0 Lipid Number2 | N/A 0.8 to 2.0 % |
| Typical Fatty Acid Composition Value Range for C18:1 Lipid Number3 | N/A 3.0 to 6.0 % |
| Typical Fatty Acid Composition Value Range for C18:2 Lipid Number4 | N/A 3.5 to 6.8 % |
| Typical Fatty Acid Composition Value Range for Ricinoleic5 | N/A 82 to 95 % |
Castor Oil as an Industrial Ingredient |
N/A
The castor oil is today used in plastics, textiles, paints, cosmetics, and a number of inks and industrial adhesives. Castor Oil is finding increasing uses in the industrial world. It figures largely in the manufacture of the artificial leather used in upholstery; it furnishes a coloring for butter, and from it is produced the so-called 'Turkey-red' oil used in the dyeing of cotton textures. It is an essential component in some artificial rubbers, in various descriptions of celluloid, and in the making of certain waterproof preparations, and one of the largest uses is in the manufacture of transparent soaps. It also furnishes sebacic acid which is employed in the manufacture of candles, and caprylic acid, which enters into the composition of varnishes. |
Castor Oil for Cosmetics, and Medical Use |
N/A
The castor oil, when used in cosmetics, acts as a humectant; it attracts and retains moisture to the skin. Castor oil is often used in lipsticks. It is also a thickener and an emollient. Castor Oil is regarded as one of the most valuable laxatives in medicine. Externally, the oil has been recommended for various cutaneous complaints. Castor Oil is an excellent solvent of pure alkaloids and such solutions of Atropine, Cocaine, etc., as are used in ophthalmic surgery. It is also dropped into the eye to remove the after-irritation caused by the removal of foreign bodies. |
Castor Oil for Soap Manufacturing |
N/A
Castor Oil forms a clean, light-colored soap, which dries and hardens well and is free from smell. |
- 1 Fatty acid composition is provided for informational purposes only and is not part of a standard batch analysis.
- 2 Fatty acid composition is provided for informational purposes only and is not part of a standard batch analysis.
- 3 Fatty acid composition is provided for informational purposes only and is not part of a standard batch analysis.
- 4 Fatty acid composition is provided for informational purposes only and is not part of a standard batch analysis.
- 5 Fatty acid composition is provided for informational purposes only and is not part of a standard batch analysis.
