3284. 2,4-Dinitroresorcinol

Nomenclature

CAS number: 519-44-8
2,4-Dinitro-1,3-benzenediol.
C6H4N2O6; mol wt 200.11.
C 36.01%, H 2.01%, N 14.00%, O 47.97%.
Chemical structure

Properties

Yellow crystals, mp 146-148°. Explodes when strongly heated. Sublimes partially undec. Very slightly sol in water or cold alcohol; sol in solns of fixed alkali hydroxides.

Use

For dyeing fabrics mordanted with iron a green color. As a reagent for Co (brown-red ppt) and for Fe (olive-green color).