Making picric acid via a nitration of Acetylsalicyllic acid or more commonly known as asprin. Picric acid 1.180 gm Distilled water 100.000 ml 1) Place a drop of Picric Acid (S026) on a clean and dry slide and place fungal culture in it. i didn't quite get that however still pretty pleasing.Music: Crunk Knight by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1400044Artist: http://incompetech.com/ Impact Intermezzo by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100620Artist: http://incompetech.com/ We use Ethanol to extract the ASA which is separated via filtration through celite. The name "picric" comes from the Greek word πικρός (pikros), meaning "bitter", due to its bitter taste. Like other strongly nitrated organic compounds, picric acid is an explosive, hence its primary use. Making Picric Acid from Aspirin by the Jolly Roger Picric Acid can be used as a booster explosive in detonators, a high explosive charge, or as an intermediate to preparing lead picrate.
It has also been used as medicine (antiseptic, burn treatments) and dyes. 3) Place a coverslip on the preparation. the filtrate is evaporated to give us the starting product.The reaction must be done in a well ventilated area and in a tall form beaker. The final reaction mixture was cooled in an ice-water bath and diluted with a 4-fold volume of ice-cold water. It is one of the most acidic phenols. Picric acid is an organic compound with the formula (O2N)3C6H2OH. this nitrates the ASA firstly into the mono and dinitro forms of ASA and upon the last of the nitrate additions and heating we get the third nitro group attached giving us the trinitrophenol product.The crude product is then recrystallized from boiling water.The yield from this was 47.2g from 45g of the ASA Starting material so it is pretty high yielding usually 80-85% if done correctly. 122 C. One-Step Synthesis of Picric Acid from Phenol. The stain imparts a yellow colouration on hyphae. 2) By using a nichrome inoculating wire, carefully tease the fungal culture into a thin preparation. Its IUPAC name is 2,4,6-trinitrophenol (TNP). Preparation of Picric Acid (Revisited and Revised) - YouTube overflows will result otherwise.Next we sulfonate the ASA in hot concentrated sulfuric acid for an hour and upon slight cooling we begin to add the correct amount of sodium nitrate. It is commercially prepared by following steps: Hope this helps you :) Thank you asking. The precipitate was isolated by vacuum filtration, washed with ice-cold water and air dried to produce yellow crystals, 1.059 g (87% yield), mp.
Picric acid is obtained by Nitration of phenol by concentrated HNO3 in presence of Concentrated H2SO4.
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