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METHYL  SALICYLATE   IP/BP/USP SYNTHETIC

Formula

C8H8O3
M.W. 152.15

Chemical Name Methyl Ester of  Salicylic Acid.

Technical Information

Description Colourless  or pale yellow liquid   Odour and taste of gaultheria.
1gm. soluble in 1500ml. water, soluble in chloroform, ether; miscible with alcohol and
Glacial Acetic Acid.
Boiling Point 220 - 224oC (with decomposition)
Melting Point -8.6oC  

Typical Analysis

Description A colourless or a pale yellow liquid.
Odour Characteristic and aromatic.
Clarity & Colour of solution Passes test
Refractive Index At 25oC, 1.5335 to 1.5345
At 20oC, 1.5340 to 1.5380
Weight per ml. At 20oC, 1.1750 to 1.1850 
Sp.Gr/Relative Density At 25oC, 1.180 to 1.185
Free Acid 0.1% (max) as Salicylic Acid.
Solubility Soluble in 7 volumes of 70% Alcohol.
Assay 99.0% (min) wt/wt of C8H8O3 IP/BP. 98.0% w/w (min) U.S.P.

  

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