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Castor oil – Pharmaceutical USP Grade

  • Castor Oil USP grade refers to the castor oil prepared in conformity with the United States Pharmacopoeia (USP) norms. It is the grade used by the pharmaceutical industry in United States.
  • USP Grade castor oil is cold pressed from the first pressing to produce the highest quality, natural oil in which the oil does not lose any medicinal properties.

Specifications

Sr. No Description Specific Range
1 Appearance Brilliantly clear and free from suspended matter
2 Lovibond Color (5 ¼" Cell) (Y + 5 R) 20 Yellow 2 Red max.
3 Acid Value 1.50 max.
4 Specific Gravity @ 25°C 0.954 – 0.967
5 Iodine Value 82 – 90 %
6 Hydroxyl Value 150 min.
7 Saponification Value 177 – 187
8 Moisture & Volatiles 0.25 % max.