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DMACA may refer to:

  • DMACA reagent or p-dimethylaminocinnamaldehyde, a dye used to detect proanthocyanidins polyphenolic compounds in plants
  • DMACA crystal (or [NH2(CH3)2]3Sb2Cl9), a crystal showing ferroelectric phase transition studied in vibrational spectroscopy[1]
  • 7-dimethylaminocoumarin-4-acetic acid (C13H13NO4, molar mass : 247.25 g/mol, CAS number : 80883-54-1),[2]


  1. ^ Raman studies of ferroelectric phase transition in [NH2(CH3)2]3Sb2Cl9 (DMACA). G. Bator, R. Jakubas, J. Lefebvre and Y. Guinet, Vibrational Spectroscopy, Volume 18, Issue 2, December 1998, pp. 203–210, doi:10.1016/S0924-2031(98)00087-3
  2. ^ DMACA on