CAS Registry Number

CAS 5466-84-2 — 4-Nitrophthalic anhydride

4-Nitrophthalic anhydride is an organic compound primarily used as an intermediate in the synthesis of dyes, pharmaceuticals, and agrochemicals, particularly for producing pigments and specialty chemicals. It is a yellow crystalline solid with a distinct aromatic odor, often employed in organic synthesis due to its reactive anhydride group. This chemical has a CAS number of 5466-84-2, a molecular formula of C8H3NO5, and a molecular weight of 193.11 g/mol. It is stable under ambient storage conditions but requires careful handling, as indicated by its "Warning" signal word. Molekula supplies 4-Nitrophthalic anhydride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.