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Uses of Castor Oil

The chemical structure of castor oil is of great interest because of the wide range of reactions it affords to the oleochemical industry and the unique chemicals that can be derived from it. These derivatives are on par with petrochemical products for use in several industrial applications. In fact, they are considerably superior since they are from renewable sources, bio-degradable and eco-friendly. Castor Oil is regarded as one of the most valuable laxatives in medicine. Castor Oil forms a clean, light-colored soap, which dries and hardens well and is free from smell. 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 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.

 
AGRICULTURE
Castor meal - organic manure Hybrid Castor Seeds
 
FOOD
Castor Oil esters Viscosity reducing additive
 
TEXTILE CHEMICALS
Surfactants Pigment Wetting Agents
 
PAPER
Defoamer Water proofing additive
 
PLASTICS & RUBBER
Coupling agents Processing aids Plasticizers Polyols
 
PERFUMERIES
Heptaldehyde Heptanoic acid Undecylenic acid Heptyl alcohol Ethyl heptoate Heptyl acetate
 
COSMETICS
Castor Oil Emulsifiers Castor Oil Esters Undecylenic acid Deodorant Castor Wax
 
ELECTRONICS & TELE- COMMUNICATIONS
Polyurethane systems Polyamide resins Castor Oil Castor Oil Esters Polyols
 
PHARMACEUTICALS
Glycerine Castor Oil Undecylenic acid Zinc undecylenate Enanthic anhydride Calcium undecylenate Hydrogenated castor oil
 
AINTS, INKS & ADHESIVES
Polyols Glycerine Dimer acid Polyamides Alkyd resins Ricinoleic acid Thixotropic agents Castor Oil - all grades Wetting & Dispersing additives Dehydrated castor oil (DCO) DCO Fatty acids
 
LUBRICANTS
Dimer acid Ricinoleic acid Castor Oil Esters Blown castor Oil Heptanoic acid Metallic salts Hydrogenated castor oil Hydroxy amide waxes 12 hydroxy stearic acid Corrosion Inhibitors Sebacic acid
 
GENERAL SPECIFICATIONS
Castor Oil is the fixed oil obtained from the seed of Ricinus communis Linné(Fam. Euphorbiaceae).
 
TEST METHOD RANGE
Iodine value USP 83 - 88
Saponification value USP 176 - 184
Acid value USP 2.0 max
Hydroxyl value USP 160 - 168
Moisture & volatile AOCS Ca 2b-38 0.355% max
Viscosity, St ASTM D1545 6.3 - 8.9
 
Color Gardner AOCS Td la-64 4 max
Appearance Characteristically clear and free from suspended matter  
Odor Slight, characteristic  
 
TYPICAL FATTY ACID COMPOSITION (%)
C16:0 0.8 - 1.8 C18:2 3.5 - 6.8
C18:0 0.8 - 2.0 Ricinoleic 82 - 95
C18:1 3.0 - 6.0    
 
CASTOR OIL BIODIESEL
 
Properties Units Petroleum diesel Bio B20 B100
Sp. GR.   0.8610 0.8643 0.8703 0.9268
Density Kg.m3 861.0 864.3 870.3 926.8
Kinematic Viscosity mm2/s 3.81 4.54 4.97 15.98
Flash Point °C 68.3 85.3 88.7 190.7
Heating Value kJ/kg 47216.4 44427.6 44780.4 37900.8
Copper Strip corrosion   1 a 1 a 1 a 1 b
Carbon residue %masa 0 0.009 0.007 0.037
Cloud Point °C   -5 -7 -23
Pour Point °C -6 -26 -30 -45
 
 
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