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Niobium carbide

Product Name
Niobium carbide
CAS No.
12069-94-2
Chemical Name
Niobium carbide
Synonyms
Nitinol Tubing;NIOBIUM CARBIDE;COLUMBIUM CARBIDE;Methylidyneniobium;niobiumcarbide(nbc);Niobium monocarbide;Niobium(IV) carbide;SILICON, PIECES, 99.95%;Niobium Carbide, -150um;um 99.8 Methylidyneniobium
CBNumber
CB5484548
Molecular Formula
CHNb
Formula Weight
105.93
MOL File
12069-94-2.mol
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Niobium carbide Property

Melting point:
3500°C
Boiling point:
4300°C
Density 
7.6 g/mL at 25 °C(lit.)
solubility 
insoluble in H2O, acid solutions
form 
Powder
Specific Gravity
7.6
color 
White
Resistivity
51.1–74.0 (ρ/μΩ.cm)
Water Solubility 
Insoluble in water.
Crystal Structure
Cubic, NaCl Structure
EPA Substance Registry System
Niobium carbide (NbC) (12069-94-2)
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Safety

RIDADR 
UN3178
WGK Germany 
3
TSCA 
Yes
HazardClass 
4.1
PackingGroup 
III
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H228Flammable solid

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
GF66605788
Product name
Niobium carbide
Purity
powder, 45 max. part. size (micron), weight 50?g, purity 99%
Packaging
1EA
Price
$519
Updated
2024/03/01
Sigma-Aldrich
Product number
GF15413903
Product name
Niobium carbide
Purity
powder, max. particle size 45 micron, weight 200?g, purity 99%
Packaging
1EA
Price
$1220
Updated
2023/06/20
Alfa Aesar
Product number
012147
Product name
Niobium carbide, 99+% (metals basis)
Packaging
25g
Price
$47.65
Updated
2024/03/01
Alfa Aesar
Product number
012147
Product name
Niobium carbide, 99+% (metals basis)
Packaging
100g
Price
$184
Updated
2023/06/20
American Custom Chemicals Corporation
Product number
ING0005385
Product name
NIOBIUM CARBIDE
Purity
95.00%
Packaging
5MG
Price
$504.61
Updated
2021/12/16
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Niobium carbide Chemical Properties,Usage,Production

Chemical Properties

Niobium carbide is a green cubic crystal with metallic luster and belongs to the sodium chloride type cubic crystal system. The relative density is 8.47, the lattice constant a=0.447nm, and the melting point is 2300°C. Microhardness>235Gpa (>2400kg/mm2), harder than corundum. Elastic modulus 338000N/mm2, thermal expansion coefficient 6.65×10-6/K, thermal conductivity 14w/(m.K), heat of formation -140.7kJ/mol, specific heat capacity 36.8J/(mol.K), resistivity 35μΩ.cm. Insoluble in water and in all acids except a mixture of nitric acid and hydrogen fluoride. It is stable at 1000-1100°C, and rapidly oxidizes to niobium pentoxide at temperatures above 1100°C. Niobium carbide is easy to melt in titanium carbide, zirconium carbide, tungsten carbide and other compounds, and together form an isomorphous solid solution mixture.

Physical properties

Lavender gray powder, soluble in HF-HNO3 mixture. Wear resistant film, coating graphite in nuclear reactors. Oxidation in air becomes severe only above 1000°C.

Uses

Niobium carbide (NbC) is amongst the hardest technical compounds known. It should thus be excellently suited for machining applications and wear protection. It is used to make hard-tipped tools and special steels and to coat graphite in nuclear reactors.

Application

niobium carbide (NbC) is extremely hard refractory materials. TiC, ZrC, VC and NbC are commercially used in tool bits for cutting tools. HfC and NbC can also be used as refractory coatings in nuclear reactors.

Flammability and Explosibility

Non flammable

Niobium carbide Preparation Products And Raw materials

Raw materials

Tungsten wire, gold plated, 0.025mm (0.001in) dia, W 99.95% (metals basis), Au 99.99% Carbon Black Niobium oxide NIOBIUM NIOBIUM(V) CHLORIDE GRAPHITE, FUSION CRUCIBLE, DRILLPOINT, UNPURIFIED, VOLUME 7.88CC

Preparation Products

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Niobium carbide Suppliers

Argentina 1 China 136 France 2 Germany 4 India 3 Japan 3 Switzerland 1 United Kingdom 5 United States 18 Global 173
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View Lastest Price from Niobium carbide manufacturers

Zhuozhou Wenxi import and Export Co., Ltd
Product
Niobium carbide 12069-94-2
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-06-27
Career Henan Chemical Co
Product
Niobium carbide 12069-94-2
Price
US $1.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
Customized
Release date
2018-12-19

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