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Methyl Salicylate

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Parameter Specifications
Description A colorless or slightly yellow liquid
Solubility Very slightly soluble in water, miscble with ethanol 96% and and with fatty and essential oils
Identification
a) By precipitate
b) by colour development with ferric chloride solution
a) Precipitate melt at 156°C to 161°C
b) violet color develops
Appearance of solution (Method II)

(To 2 ml add 10 ml of ethanol 96%)

Clear and not more intensely coloured than reference solution
Acidity (Use 5.0 gm by titration) Not more than 0.40 ml of 0.1M sodium hydroxide is required
Refractive Index at 20°C 1.535 to 1.538
Relative density at 20°C 1.180 to 1.126
Assay (By Titration) 99.00 to 100.5% w/w of C8H8O3

Shelf Life: 5 years

Storage: Technical measures for storage. Store in a cool, dry, well-ventilated location.

Usage and application of Methyl Salicylate:

  • This products also known as synthetic wintergreen oil, Gandhapuro Tel finds application for analgesic purpose in ointments, lotions, sprays, rollons and liniments for allopathic and ayurvedic products. Methyl salicylate is used in high concentrations as a rubefacient and analgesic in deep heating liniments to treat joint and muscular pain.
  • Methyl salicylate is also used in low concentrations (0.04% and under) as a flavoring agent in chewing gum and mints. When mixed with sugar and dried, it is a potentially entertaining source of triboluminescence, gaining the tendency to build up electrical charge when crushed or rubbed, which can be observed by crushing wintergreen Life Savers in a dark room. It is used as an antiseptic in mouthwashes. It provides fragrance to various products and as an odor-masking agent for some organophosphate pesticides.
  • Methyl salicylate is also used as a bait for attracting male orchid bees for study, which apparently gather the chemical to synthesize pheromones, and to clear plant or animal tissue samples of color, and as such is useful for microscopyand immunohistochemistry when excess pigments obscure structures or block light in the tissue being examined. This clearing generally only takes a few minutes, but the tissue must first be dehydrated in alcohol.
  • Additional applications include: used as a simulant or surrogate for the research of chemical warfare agent sulfur mustard, due to its similar chemical and physical properties., in restoring (at least temporarily) the elastomeric properties of old rubber rollers, especially in printers, and as a penetrating oil to loosen rusted parts.

 

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