Phenol in trichloroacetic acid is used to penetrate through layers of skin to get rid of old or damaged skin. Food and cosmetic preservatives. Phenol derivative butylated hydroxytoluene ...

It is highly water-soluble and a strong acid with a pK a of –2.8. It has been known since at least the 1880s; its synthesis, which goes back to 1916, is via the reaction of benzene with hot ...

Nevertheless it is clear that certain special mechanisms, dependent on nitrous acid, intervene in the nitration of phenol and aniline derivatives, and we have been attempting to throw some light ...

MOTW update: September 25, 2023. Benzoic acid 1 is the simplest aromatic carboxylic acid and a commonly used preservative in foods and a snowflake mimic in holiday snow globes.. This past August, ...