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: