3093. Dicyanodiamidine Sulfate

Nomenclature

CAS number: 591-01-5
(Aminoiminomethyl)urea sulfate (2:1); biuretamidine sulfate; carbamylguanidine sulfate; guanylurea sulfate.
C4H14N8O6S; mol wt 302.27.
C 15.89%, H 4.67%, N 37.07%, O 31.76%, S 10.61%.

Description and references

Prepd by heating dicyanodiamide with H2SO4 and H2O.

Chemical structure

Derivative

Dihydrate.

Properties

White needles. At 110° loses its water. Sol in about 20 parts cold, 3 parts boiling water; slightly sol in alc.

Use

For detecting and determining Ni and its separation from Co and other metals.