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Molecular formula : H2NCSCSNH2 CAS :
nature : also known as red acid (rubeane; Rubeanic acid). The temperature of 245 ° C (decomposition). Orange-red crystalline solid. Micro-soluble in water and cold ethanol, is not soluble in ether, dissolved in sulfuric acid red. With hydrogen cyanide gas (CN) 2 role in the system. A one-and two-acid Tautomers H2NC (: S) C (: S) NH2HN : C (SH) C (SH) : NH. Keto with copper, cobalt, nickel formation of insoluble complex salt. Testing of copper, cobalt, nickel reagents can be used for copper and other elements of the colorimetric assay.
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