METHYL SALICYLATE IP
TESTSSPECIFICATIONS
DescriptionA colourless or slightly yellow liquid ,odour ,strong ,persistent , characteristic and aromatic
Identification
A)By IRA)A violet colour develops
B)Melting PointB)The Precipitate melts at 156°C to 161°C
Appearance of solution (20 % v/v)The Resulting solution is clear ,and not more intensely coloured than reference solution Y7
AcidityNot more than 0.4ml of 0.1 M NaOH
Refractive Index1.534 to 1.538
Weight per ml1.175g to 1.185g
Assay 99.0% to 100.5%
PACKING:25Kg White Mouser ,35Kg White Jerry Can ,200Kg  Blue HDPE Drum

METHYL SALICYLATE BP
TESTSSPECIFICATIONS
AppearanceColourless or slightly yellow liquid
SolubilityVery slightly soluble in water.miscible with ethanol (96 percent) and with fatty and essential oils
Identification
A)By IRA)IR spectrum of test preparation should be concordant with that standard
B)Melting PointB)The Precipitate melts at 156°C to 161°C
C)By ChemicalC)A violet colour develops
Appearance of solutionThe Resulting solution is clear ,and not more intensely coloured than reference solution Y7
Acidity Not more than 0.4ml of 0.1 M NaOH
Related substances By HPLC
Impurity B : Maximum 50ppm
 Unspecified Impurities : Maximum 0.10 percent
 Total : Maximum 0.5 percent
Refractive Index1.535 to 1.538
Relative density1.182 to 1.188
Assay99.0% to 101.0%
  
PACKING:25Kg White Mouser ,35Kg White  Jerry Can  ,200Kg  Blue HDPE Drum

METHYL SALICYLATE USP 
TESTSSPECIFICATIONS
AppearanceColourless or slightly yellow liquid
Identification 
A)By IRA)IR spectrum of test preparation should be concordant with that standard
B)By HPLCB)The retention time of the major peak of the sample solution corresponds to that of the std. solution
SolubilityThe solution shows NMT a slight cloudiness in seven volume of 70% alcohol
Impurities By HPLC 
 Salicylic acid: Not more than 0.1%
 Dimethyl 4-hydroxyisophthalate: Not more than 0.5%
Specific Optical RotationThe angular rotation not exceeding-1.5°in a 100-mm tube
Specific Gravity1.180-1.185
Assay 98.0% to 102.0%
  
PACKING:25Kg White Mouser ,35Kg White  Jerry Can  ,200Kg  Blue HDPE Drum