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Castor Oil is a natural oil obtained from the seed of the Ricinus Communis, or castor plant. The oil obtained from the seeds of this plant is a very useful raw material in many industries like soap, surface coatings, cosmetics, pharmaceuticals, perfumes, greases and lubricants etc. Also the oil is used in a large number of medicines. That is why the seeds and oil of this plant make very important and valuable commodities that are traded in the market. The primary sources of the castor bean are India, Brazil and China. Scientific and historical records reveal that the chemical nature and composition are remarkably uniform regardless of origin.

Industrial Castor Oil, which is obtained from a mixture of the first pressing and the second phase of production, solvent extraction. Further neutralizing by either steam stripping or treating with caustic soda and washing produces Neutralized Castor Oil. Urethane and adhesive formulas may incorporate the use Low Moisture Castor Oil or Neutralized Castor Oil. When Industrial Castor Oil is dried to a maximum moisture content of 0.03%, it remains a lubricant, but is known as dried or Low Moisture Castor Oil.

Refined Castor Oil (FSG/BSS)

Appearance	Pale yellow , Viscous , Clear liquid
M .I .V.	0.25 % Max.
F.F.A. (as oleic)	1.00 % Max.
Acid value	2.00 % Max.
Iodine value (Wijs)	82 – 90
Saponification value	177 – 185
Hydroxyl value	158 – 163
Colour on lovibond in 5.25”cell	Y- 20.0 Max. R - 2.0 Max.

Commercial Castor Oil

Appearance	Yellowish ,Viscous , Liquid
M. I . V.	0.50 % Max.
F.F.A. (as oleic)	2.00 % Max.
Acid value	4.00 Max.
Iodine value (Wijs)	82 – 90
Saponification value	177 – 185
Hydroxyl value	158 – 163
Unsaponifiable matter	0.70 % Max.
Colour on lovibond in 1” cell ( Y + 5R)	30.0 unit Max.

Pharmaceutical Castor Oil (IP / BP / USP Grade)

Appearance	Brilliantly Clear & Free from suspended matter
Acid Value	1.8 Max.
Iodine Value	82-90
Saponification Value	176 - 187
Unsaponifiable Matter	0.8 % max w/w
Hydroxyl Value	150 Min.
Peroxide Value	4 Max.
Moisture	0.25 % Max.
Foreign Fatty Substances	Complies with tests
Relative Density @ 20° C	0.952 – 0.965
Refractive Index @ 20° C	1.4770 – 1.4810
Optical Rotation	+3.5 ° - + 6.0 °
Colour on 5.25” lovibond scale	20.0Y + 2.0 R Max.

Refined Castor Oil (DAB 10)

Acid value	Max. 0.80
Peroxide value	Max. 3.50
Iodine value	82 – 90
Saponification value	176 – 187
Unsaponifiable matter	Max.1.0 % (m/m)
Hydroxyl value	min.160
Absorption(268-270nm)	max. 1.5 {1%(m/V)solution in Ethanol,96%}
Colour Lovibond 5 ¼”	Yellow – 10.0 max. Red – 1.0 max.

Pale Pressed Grade Castor Oil

Appearance	Pale yellow , Viscous , Clear liquid. Brilliantly clear and free from suspended matter
Moisture(K.F.)	0.25 % Max.
F.F.A. (as oleic )	0.50 % Max.
Acid value	1.00 Max.
Iodine value (Wijs)	82 – 90
Saponification value	177 – 185
Hydroxyl value	160 – 163
Unsaponifiable matter	0.70 % Max.
Colour on lovibond in 5.25”cell	Y - 10.0Max R - 1.0 Max

Extra Pale Grade Castor Oil

Appearance	Pale yellow , Viscous , Clear liquid
Moisture(K.F.)	0.25 % Max.
Acid value	0.70 Max.
F.F.A. (as oleic)	0.35 % Max.
Iodine value ( Wijs)	82 – 90
Saponification value	175 – 185
Hydroxyl value	158 – 163
Unsaponifiable matter	0.70 % Max.
Colour on lovibond in 5.25” cell	Yellow 9.0 Max. Red 0.9 Max.

Neutralized Castor Oil (N.C.O.)

Appearance	Pale yellow , Viscous , Clear liquid. Free of suspended matter
Moisture(K.F.)	0.25 % Max.
F.F.A. (as oleic )	0.35 % Max
Acid value	0.70 Max.
Iodine value (Wijs )	82 – 90
Saponification value	177 – 185
Hydroxyl value	160 – 168
Unsaponifiable matter	0.70 % Max.
Colour on lovibond in 5.25”cell	Y - 15.0 Max R - 1.5 Max