Name: 4 - nitro-cinnamic acid
Synonym: cinnamic acid on the nitro
English name :4-Nitrocinnamic Acid
CAS No.: CAS No. No Information
Packing: 25kg (bag)
Specification: 99%
Molecular Weight: 193.16
CAS No. :619-89-6
Properties: yellow needle crystal. Melting point 289 ℃. Insoluble in water.
Preparation: will Nitro cinnamonitrile, concentrated hydrochloric acid and water heating with reflux 8h, standing overnight. Filter out sediment, dissolved in hot 30% sodium hydroxide solution, filtered insolubles, the filtrate precipitated with 50% sulfuric acid Shen Ding, filtration was crude, ethanol recrystallization, was on the nitro-cinnamic acid.
Purposes: organic synthesis intermediates.