Title: 2,4-Diamino-6-hydroxypyrimidine
CAS Registry Number: 56-06-4
CAS Name: 2,6-Diamino-4(1H)-pyrimidinone
Molecular Formula: C4H6N4O
Molecular Weight: 126.12
Percent Composition: C 38.09%, H 4.80%, N 44.42%, O 12.69%
Literature References: Prepn from guanidine hydrochloride and cyanoacetic ester: Traube, Ber. 33, 1371 (1900).
Properties: Crystallizes from water as the monohydrate. When anhydrous, dec 286°.
Use: In the detection of nitrites and nitrates.

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