Rubeanic acid

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Red crystalline powder. Rubeanic acid readily chelates with metals ions. It is used as a colorimetric detection agents for copper, cobalt, and nickel ions.

Synonyms and Related Terms

ethanedithioamide; dithiooxamide


  • Millipore Sigma: SDS

Physical and Chemical Properties

  • Slightly soluble in water. Soluble in alcohols.
  • Copper produces an olive green reaction product.
Composition C2H4N2S2
Melting Point 200 C (dec)
Molecular Weight mol. wt. = 120.2

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