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Safety Information

262722

Sigma-Aldrich

Niobium

powder, <45 μm, 99.8% trace metals basis

Synonym(s):

Columbium

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About This Item

Empirical Formula (Hill Notation):
Nb
CAS Number:
7440-03-1
Molecular Weight:
92.91
EC Number:
231-113-5
MDL number:
MFCD00011126
UNSPSC Code:
12141730
PubChem Substance ID:
24855922
NACRES:
NA.23
To inquire about this product 262722, please contact your local Merck office or dealer. Contact Technical Service

Assay

99.8% trace metals basis

form

powder

resistivity

13-16 μΩ-cm, 20°C

particle size

<45 μm

bp

4742 °C (lit.)

mp

2468 °C (lit.)

density

8.57 g/mL at 25 °C (lit.)

SMILES string

[Nb]

InChI

1S/Nb

InChI key

GUCVJGMIXFAOAE-UHFFFAOYSA-N

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Show Differences

1 of 4

This Item
GF54847255GF41005718GF59528043
Niobium powder, &lt;45&#160;&#956;m, 99.8% trace metals basis

262722

Niobium

Niobium powder, max. particle size 74 micron, weight 50&#160;g, purity 99.85%

GF54847255

Niobium

Niobium powder, max. particle size 74 micron, weight 200&#160;g, purity 99.85%

GF41005718

Niobium

Niobium powder, 74 max. part. size (micron), weight 100&#160;g, purity 99.85%

GF59528043

Niobium

form

powder

form

powder

form

powder

form

powder

density

8.57 g/mL at 25 °C (lit.)

density

8.57 g/mL at 25 °C (lit.)

density

8.57 g/mL at 25 °C (lit.)

density

8.57 g/mL at 25 °C (lit.)

resistivity

13-16 μΩ-cm, 20°C

resistivity

13-16 μΩ-cm, 20°C

resistivity

13-16 μΩ-cm, 20°C

resistivity

13-16 μΩ-cm, 20°C

bp

4742 °C (lit.)

bp

4742 °C (lit.)

bp

4742 °C (lit.)

bp

4742 °C (lit.)

mp

2468 °C (lit.)

mp

2468 °C (lit.)

mp

2468 °C (lit.)

mp

2468 °C (lit.)

Pictograms

Flame
GHS02

Signal Word

Danger

Hazard Statements

H228

Hazard Classifications

Flam. Sol. 1

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

新产品
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    Certificates of Analysis (COA)

    Lot/Batch Number
    MKCW8210
    MKCT4473
    MKCS8761
    MKCJ0670
    MKCS6578

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    Find documentation for the products that you have recently purchased in the Document Library.

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    Christos D Malliakas et al.
    Journal of the American Chemical Society, 135(5), 1719-1722 (2013-01-23)
    2H-NbSe(2) is a canonical Charge-Density-Wave (CDW) layered material the structural details of which remained elusive. We report the detailed structure of 2H-NbSe(2) below the CDW transition using a (3 + 2)-dimensional crystallographic approach on single crystal X-ray diffraction data collected
    Evgeniy Papulovskiy et al.
    Physical chemistry chemical physics : PCCP, 15(14), 5115-5131 (2013-03-02)
    Ab initio DFT calculations of (93)Nb NMR parameters using the NMR-CASTEP code were performed for a series of over fifty individual niobates, and a good agreement has been found with experimental NMR parameters. New experimental and calculated (93)Nb NMR data
    M I Tsindlekht et al.
    Journal of physics. Condensed matter : an Institute of Physics journal, 25(8), 085701-085701 (2013-01-31)
    We report results of measurements of the ac conductivity of a Nb superconducting thin film in a swept dc magnetic field. In the mixed state the swept dc field creates vortices at the film surface which pass through the film
    Kulbir Kaur Ghuman et al.
    Journal of physics. Condensed matter : an Institute of Physics journal, 25(8), 085501-085501 (2013-01-25)
    A systematic study of electronic structure and band gap states is conducted to analyze the monodoping and charge compensated codoping of rutile TiO(2) with Rh and Nb, using the DFT + U approach. Doping of rutile TiO(2) with Rh atoms induces hybridized
    Tzyy-Jiann Wang et al.
    Optics express, 20(27), 28119-28124 (2012-12-25)
    We report ultra-smooth LiNbO(3) microdisk resonators fabricated by selective ion implantation, chemical etching, and thermal treatment. The undercut microdisk structure is produced by chemically etching the buried lattice damage layer formed by selective ion implantation. By thermal treatment, surface tension
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