 Description : |
| Pale yellowish or almost colourless, transparent, viscid liquid , odour, slight and characteristic. |
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| Solubility : |
| Miscible with chloroform, with ethanol (95%), with ether and with glacial acetic acid; slightly soluble in light petroleum. |
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| Light absorption : |
| Absorbance of a 1.0% w/v solution in ethanol (95%) at the maximum at about 269 nm, not more than 1.0, |
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| Weight per ml : Between 0.945 g and 0.965 g. |
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| Optical rotation : Between +3.5o and +6.0o. |
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| Refractive index : Between 1.4758 and 1.4798. |
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| Foreign fatty substances : |
| A : A mixture of 2 ml of the oil and 8 ml of ethanol (95%) is clear. |
| B : Shake 10.0 ml with 20.0 ml of light petroleum (boiling range 60o to 80o) and allow to separate; the volume of the lower layer is not less than 16.0 ml. |
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| Acetyl value : Not less than 143. |
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| Acid value : Not more than 2.0. |
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| Hydroxyl value : Not less than 150. |
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| Iodine value : Between 82 and 90. |
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| Peroxide value : Not more than 5.0. |
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| Saponification value : Between 176 and 187. |
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| Therapeutic action : |
| Useful in Rheumatism, Oedema, Body ach, Lumbago, Abdomen pain, fever |
