Liquor Saponis Aethereus, B.P.C. Ethereal Soap Solution.
Format explanation
Related entry: Soft Soap
Synonyms.—Ether Soap; Solutio Saponis Aetherea.
| Oleic Acid | 35.00 | | | 7 fl. ounces |
| Potassium Hydroxide Solution, saturated, a sufficient quantity. | |||
| Alcohol | 15.00 | | | 3 fl. ounces |
| Oil of Lavender | 0.20 | | | 20 minims |
| Methylated Ether (s.g., 0.720) | to 100.00 | | | to 20 fl. ounces |
Mix the oleic acid and alcohol and neutralise with the saturated solution of potassium hydroxide in water (1 in 1), of which nearly 7.5 (1 ½ fluid ounces) will be required, using phenolphthalein as indicator. Allow the neutralised product to cool, and add the oil and ether.
Ethereal soap solution should be kept in well-stoppered bottles.
