text: mole percent of this compound mixed with acetone makes a classic maximum-boiling azeotrope.
full_question: mole percent of this compound mixed with acetone makes a classic maximum-boiling azeotrope. Alpha elimination of this compound results in a carbene that inserts into double bonds to give vicinal dihalides. This molecule's signal in carbon-13 NMR is a triplet at 77.2 ppm, while in proton NMR, its singlet appears slightly downfield from benzene at 7.26 ppm. Either an acidic or basic mixture of isoamyl alcohol, phenol and this compound is used to extract nucleic acids from DNA or RNA. Atmospheric oxygen will oxidize this molecule to phosgene. Chlorinating this compound forms carbon tetrachloride. For 10 points, name this compound with formula CHCl3, which is a 19th century anaesthetic.
first_sentence: mole percent of this compound mixed with acetone makes a classic maximum-boiling azeotrope.
raw_answer: chloroform [or trichloromethane; or CHCl3 until it is read]