Chrysamminic Acid

Title: Chrysamminic Acid
CAS Registry Number: 517-92-0
CAS Name: 1,8-Dihydroxy-2,4,5,7-tetranitro-9,10-anthracenedione
Additional Names: 1,8-dihydroxy-2,4,5,7-tetranitroanthraquinone; 2,4,5,7-tetranitrochrysazin; chrysammic acid
Molecular Formula: C14H4N4O12
Molecular Weight: 420.20
Percent Composition: C 40.02%, H 0.96%, N 13.33%, O 45.69%
Literature References: Prepn by heating chrysazin with fuming nitric acid: Liebermann, Ann. 183, 193 (1876). Structure: Robinson, Simonsen, J. Chem. Soc. 95, 1088 (1909).
Properties: Golden-yellow, lustrous, bitter leaflets. Almost insol in water; sol in alcohol with deep-red and in ether with yellow color.
CAUTION: The acid and its salts explode when ignited or heated rapidly in air.
Status: This monograph has been retired and is no longer subject to revision or update.
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