Castor Oil USP Grade specification:
Appearance |
Brilliantly clear & free from Suspended matter. |
M.I.V. |
0.25% max |
F.F.A. (As Oleic) |
0.75% max. |
Acid Value |
1.50 max. |
R.I @ 40 deg C |
1.470 – 1.481 |
Relative density @ 30 deg C |
0.954 – 0.960 gm/ml |
Saponification Value |
177 - 187 |
Unsaponifiable matter |
0.50 % Max. |
Hydroxyl Value |
160 - 168 |
Iodine Value |
82- 90 |
Peroxide Value |
4.00 Max. |
Color in 5.25” cell |
20 Y 2 R Max. |
Optical Rotation |
+3.0° – + 6.0° |
Absorption (268 – 270nm) |
Max. 1.75 (1% Solution W/V in 96% ethanol) |