103-90-2 Paracetamol Best price 103-90-2 Manufacturer

The chemical name of acetaminophen is N-(4-hydroxybenzene) acetylamide (N-(4-Hydroxyphenyl) acetamide), a commodity called paracetamol, which is acetylphetamine-type anti-heat analgesic. First synthesized by Morse in 1878 and first used in clinical use by Von Mering in 1893. It became an over-the-counter drug in the United States in 1955, and production began in the late 1950s. Its appearance is white crystalline or crystalline powder, melting point 168 to 172 degrees C, odorless, taste slightly bitter, soluble in hot water or ethanol, dissolved in acetone, almost insoluble in cold water and petroleum ether. Stable below 45 degrees C, but hydrolytically dissolved into a pair of acetaminophen when exposed to humid air, and then further oxidized, gradually turning pink, brown, and finally black, should be kept in a cold, dry place.

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