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Pasta Methylis Salicylatis Composita, B.P.C. Compound Methyl Salicylate Paste.

Format explanation
Related entry: Methyl Salicylate
Synonyms.—Pasta Analgesica; Analgesic Paste.

Methyl Salicylate, by weight 50.00 | 8 ounces
Menthol 10.00 | 1 oz. 262 1/2 gr.
Stearic Acid 10.00 | 1 oz. 262 1/2 gr.
Sodium Carbonate 1.20 | 54 grains
Glycerin 1.20 | 92 minims
Distilled Water, a sufficient quantity

Melt the stearic acid on a water-bath, add the sodium carbonate dissolved in the glycerin and 4 (300 minims) of hot distilled water, stir until effervescence ceases, heat until a clear liquid is obtained, and make up the weight to 40 (6 ounces 175 grains) with warm distilled water; pour the mixture into a wide-mouthed bottle containing the methyl salicylate, in which the menthol has been dissolved, shake until a creamy product is obtained and transfer to collapsible tubes.


The British Pharmaceutical Codex, 1911, was published by direction of the Council of the Pharmaceutical Society of Great Britain.



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