Zinc acetate

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Crystalline salt with a slight Vinegar odor. Zinc acetate is prepared from Zinc nitrate and Acetic anhydride. The salt is an astringent and disinfectant. Zinc acetate is used to preserve wood, mordant dyes and as a ingredient in Porcelain glazes. It is also used as a reagent for the detection of Blood, Albumin, and tannins.


  • Harmful by inhalation and ingestion.
  • Contact causes irritation.
  • ThermoFisher: SDS

Physical and Chemical Properties

Soluble in water with slight efflorescence. pH = 5-6.

Composition ZnC4H6O4
CAS 557-34-6
Melting Point 237 C
Density 1.735 g/ml
Molecular Weight mol. wt. = 183.46

Resources and Citations

  • The Merck Index, Susan Budavari (ed.), Merck Research Labs, Whitehouse Station, NJ, 12th Edition, 1996 Comment: entry 9926

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