Methyl salicylate can be produced by esterifying salicylic acid with methanol. Commercial methyl salicylate is now synthesized, but in the past, it was commonly distilled from the twigs of Sweet Birch and Eastern Teaberry.
Methyl salicylate can be used as a rubefacient in deep heating liniments, which is an active ingredient in Ben Gay muscle rub and similar products for relief of minor aches and pains associated with backaches, arthritis, strains, bruises, and sprains.
Methyl salicylate can be used to provide fragrance to various products, e.g. it's used in some kinds of chewing gum and candy, as an alternative to the more common peppermint and spearmint oils. It's also used as an odor masking agent for some organophosphate pesticides.
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Basic informationItem
Index
Chemical Name
Methyl Salicylate, Oil of Wintergreen (Synthetic); 2-Hydroxybenzoic Acid Methyl Ester
Molecular Formula
HOC6H4COOCH3
CAS No.
119-36-8
Chemical Formula
Molecular Weight
154.16
RTECS No.
VO4725000
Appearance
Colorless or light yellow liquid, with fragrance of evergreen leaves
BP88/BP93
In conformity with standard of BP88/BP93Item
Index
Appearance
colorless transparent liquid
Purity
99.0%-100.5%
Identification
up to the test
Acidity
0.4ml max.
Solubility
the solution (2ml/10ml 96% alcohol) is clear
Refractive Index
1.535-1.538
Relative Density (20 °C)
1.180-1.186
BP98/BP99/BP2000
In conformity with standard of BP98/BP99/BP2000Item
Index
Appearance
colorless transparent liquid
Purity
99.0%-100.5%
Identification
up to the test
Acidity
0.4ml max.
Solubility
the solution (2ml/10ml 96% alcohol) is clear
Refractive Index
1.535-1.538
Relative Density (20 °C)
1.180-1.186
USP22(NF-17)/USP23(NF-18)/USP24(NF-19)
In conformity with standard of USP22(NF-17)/USP23(NF-18)/USP24(NF-19) Item
Index
Appearance
colorless transparent liquid
Purity
98.0-100.5%
Identification
up to the test
Specific Gravity(841)
1.180-1.185(25 °C)
Angular Rotation(781)
optically inactive
Solubility
the solution (1/7 70% alcohol) having not more than a slight cloudiness
Refractive Index(831)(20 °C)
1.535-1.538
Heavy Metal
0.004% max
Organic volatile Substance
Methylene Choloride
Chloroform:
Benzene
Trichloroethylene
1,4-Dioxane
500 ppm max.
50 ppm max.
0.01% (100 ppm) max.
0.01% (100 ppm) max.
0.01% (100 ppm) max.
Phenol Content
150 ppm max. (can be controlled not over that 150 ppm, 100 ppm, and 25 ppm)
Packing
In 25Kg plastic drum (270270390), Quantity in 20'FCL: 672 Drums (16.8MT).
In 220Kg iron drum/plastic drum (Φ565890/570890), Quantity in 20'FCL: 80 Drums (17.6MT).
