Ambuja Solvex Pvt. Ltd.
,
Survey No. 1159, Near Ambuja Intermediates Pvt. Ltd., Village–Rajpur,
Taluka–Kadi, Dist.–Mehsana. (North Gujarat.), INDIA. Pin–382740.
Phone No.: +91-2764–278720/721, Fax No.: +91-2764–278415
E mail : info@ambujasolvex.com, URL: www.ambujasolvex.com
Specification
Name of Product Document No. ASPL/FP/SPEC/50-6
Issue No. 01
CASTOR OIL, REFINED. (PH.EUR.8.3) Date 04 December 2014
Page Total 2 page (1 of 2)
Monogram number: 01/2015: 2367
Definition
Fatty oil obtained from the seed of Ricinus communis L. by cold expression. It is then refined. A suitable
antioxidant may be added.
Production
During the expression step. The temperature of the oil must not exceed 50°C.
Characters
Appearance:
Clear, almost colorless or slightly yellow, Viscous, Hygroscopic liquid.
Solubility:
Slightly soluble in light petroleum, miscible with ethanol (96 per cent) and with glacial acetic acid.
Relative Density : About 0.958
Refractive Index : About 1.479
Viscosity : About 1000 mPa.S
Identification
First Identification: B, C.
Second Identification: A, B.
A. A mixture of 2 ml of the substance to be examined and 8 ml of ethanol (96 percent) R is clear.
B. Specific absorbance. (See Tests).
C. Composition of fatty acids (see Tests).
Tests
Appearance:
The substance to be examined is clear and not more intensely coloured than 20 ml of a mixture of 0.25 ml of blue
primary solution, 0.25 ml of red primary solution, 0.8 ml of yellow primary solution, and 18.7 ml of a solution
prepared by diluting 4.0 ml of hydrochloric acid R1 to 100.0 ml of water R.
Optical Rotation : + 3.5° to + 6.0°
Specific Absorbance : Grater than 0.7 and maximum 1.5, Determined at the absorption maximum at 270
nm. To 1.00 g add ethanol (96 per cent) R and dilute to 100.0 ml with the same solvent.
Acid Value : Maximum 0.8, (Dissolve 5.00 g in 25 ml of the prescribed mixture of solvents.)
Hydroxyl Value : Minimum160.
Ambuja Solvex Pvt. Ltd.,
Survey No. 1159, Near Ambuja Intermediates Pvt. Ltd., Village–Rajpur,
Taluka–Kadi, Dist.–Mehsana. (North Gujarat.), INDIA. Pin–382740.
Phone No.: +91-2764–278720/721, Fax No.: +91-2764–278415
E mail : info@ambujasolvex.com, URL: www.ambujasolvex.com
Specification
Name of Product Document No. ASPL/FP/SPEC/50-6
Issue No. 01
CASTOR OIL, REFINED. (PH.EUR.8.3) Date 04 December 2014
Page Total 2 page (2 of 2)
Peroxide Value : Maximum 5.0
Unsaponifiable Matter : Maximum 0.8 per cent, Determined on 5.0 gram.
Oil Obtained by Extraction and Adulteration :
In a ground-glass-stoppered tube about 125 mm long and 18 mm in internal diameter, thoroughly mix 3 ml of the
substance be examined with 3 ml of carbon disulfide R. Shake for 3 min with 1 ml of sulfuric acid R. The mixture is
less intensely coloured than freshly prepared mixture of 3.2 ml of ferric chloride solution R1, 2.3 ml of water R
and 0.5 ml of dilute ammonia R1.
Composition of the fatty-acids
Palmitic Acid : Maximum 2.0 per cent
Stearic Acid : Maximum 2.5 per cent
Oleic Acid : 2.5 per cent to 6.0 per cent
Linoleic Acid : 2.5 per cent to 7.0 per cent
Linolenic Acid : Maximum 1.0 per cent
Eicosenoic Acid : Maximum 1.0 per cent
Ricinoleic Acid : 85.0 per cent to 92.0 per cent
Any other fatty Acid : Maximum 1.0 per cent.
Water : Maximum 0.3 per cent, or maximum 0.2 per cent. If intended for use in the manufacture of
parenteral preparations, Determined on 1.0 gram.
