Niobium, powder, -325 Mesh


Product # 2728
Name Niobium, powder, -325 Mesh
Synonyms Columbium
Formula Nb
Purity 99.8%
CAS Number 7440-03-1
Molecular Weight 92.91
Color & Form Gray powder
Boiling Point 4927° C
Melting Point 2477° C
Specific Gravity 8.57 gm/ml
Solubility Insoluble


100 gm $100.00
500 gm $450.00
  • For other quantities or purities not listed, please request a quotation. We can offer many items in bulk or custom packaging.
  • All pricing is subject to confirmation at the time the order is placed.

Related Products

Product # Name Purity
2727 Niobium, pellets, 1/4”x1/2” 99.9%
2727-1 Niobium, pellets, 1/4”x1/4” 99.9%
2731 Niobium, powder, -60 Mesh 99.8%


Transportation Information UN3089, Metal powders, flammable, n.o.s., 4.1, II (DOT)
Air Transportation Information UN3089, Metal powder, flammable, n.o.s., 4.1, II (IATA)
Pictogram Pictogram: Fire 
Signal Word Danger
Hazardous Statements

H228  Flammable solid.

Precautionary Phrases

P210  Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P280  Wear protective gloves/protective clothing/eye protection/face protection.

P240  Ground/bond container and receiving equipment.

P241  Use explosion-proof electrical/ventilating/lighting/.../equipment.

P370+P378  In case of fire: Use ... for extinction.

Detailed Safety and Handling Information can be found on our Safety Data Sheet (SDS).

Featured Element: Gadolinium

Gadolinium is a brittle, silvery-white rare earth metal which is soft, ductile, and malleable.  Gadolinium was named for Finnish chemist Johan Gadolin.

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