Nobium Oxide

Low toxicity by ingestion. When heated to decomposition it emits toxic vapors of niobium.

Niobium

Some niobium is found in all parts of the body.
No reports of human intoxication.
An eye and severe skin irritant.
Can cause kidney damage.
Experimentally, there is moderate fibrogenic effect on the lungs after intra-tracheal administration.
Flammable in the form of dust when exposed to flame or by chemical reaction. It ignites in fluorine, chlorine.

Edouard Bastarache M.D. (Occupational & Environmental Medicine)
Author of " Substitutions for Raw Ceramic Materials"
edouardb@sorel-tracy.qc.ca
http://sorel-tracy.qc.ca/~edouardb/

References :

Sax’s Dangerous Properties of Industrial Materials.

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