Farmacopeo Nacional Argentina - Sixth Edition 1978
(Translated from Spanish. Reference should be made to the original Spanish version for authenticity.)
Absolute Alcohol (Alcohol aethylicum dehydratum)
| (a) | Definition: | Contains not less than 99.0% w/w, or 99.4% v/v (at 15°C) of ethanol. |
| (b) | General characteristics: | Colorless, mobile, transparent, volatile liquid, with a characteristic pleasant odor and a burning taste. It is very hygroscopic and flammable. |
| (c) | Specific gravity: | Not greater than 0.7973 at 15°C. |
| (d) | Refractive index: | Between 1.3614 and 1.3618 at 20°C. |
| (e) | Limit of water content: | Shake 10 ml of alcohol in a stoppered flask with 0.5 ml of anhydrous copper sulphate. There should be no blue coloration. |
| (f) | Other properties: | Absolute alcohol should comply with the other requirements described under "Alcohol." |