Phenylmercuric acetate

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White satiny crystals that have been used as a Fungicide, and herbicide. Phenylmercuric acetate is no longer recommended for use due to the hazards of Mercury compounds to humans and the environment.

Synonyms and Related Terms

phenyl mercuric acetate; phenyl mercury acetate; (aceto) phenyl mercury; acetoxyphenylmercury; PMA; PMAC; PMAS; Ceresan Slaked Lime; Gallotox; Liquiphene; Phix; Mersolite; Tag Fungicide; Tag HL-331; Nylmerate; Scutl; Riogen; Agrosan GN

Chemical structure

Phenylmercuric acetate.jpg


  • Highly toxic by ingestion, inhalation and skin absorption. LD50=24 mg/kg
  • Combustible solid. Flash point 38C.
  • CDH Fine Chemical: SDS

Physical and Chemical Properties

Soluble in ethanol, benzene, acetone

Composition (CH3COO) HgC6H5
CAS 62-38-4
Melting Point 149 C
Molecular Weight mol. wt. = 336.74

Resources and Citations

  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 7181
  • G.Caneva, M.P.Nugari, O.Salvadori, Biology in the Conservation of Works of Art, ICCROM, Rome, 1991