Pharmaceutical Grade Castor Oil is produced by first pressing of Castor seed, without losing medicinal qualities. It is a clear, brilliant Colourless or slight yellow, viscous, from rancid odour.
BP grade refers to the castor oil prepared for British Pharmacopoeia (BP) norms.
This oil is widely used in pharmaceutical applications
|Appearance||Brilliantly clear & free fromSuspended matter|
|Acid Value||1.8 Max.|
|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.|