Iron oxide - Black TECH grade
Synonyms: Iron (III) Oxide; Black Iron Oxide; C.I. 77491; Iron Sesquioxide
CAS No.: 1309-37-1
Molecular Weight: 159.69
Chemical Formula: Fe3O4
WARNING! HARMFUL IF INHALED. AFFECTS RESPIRATORY SYSTEM. MAY CAUSE IRRITATION TO EYES AND RESPIRATORY TRACT.