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Tantalum carbide

Product Name
Tantalum carbide
CAS No.
12070-06-3
Chemical Name
Tantalum carbide
Synonyms
TANTALUM CARBIDE;TANTALIUMCARBIDE;TantaluM(IV) carb;Tantalum(IV) carbide;tantalumcarbide(tac);Tantalum monocarbide;Tantalum carbide pwdr.;Tantalum Carbide Powder;Methanidylidynetantalum;tantalum niobium carbide
CBNumber
CB5325801
Molecular Formula
CTa
Formula Weight
192.96
MOL File
12070-06-3.mol
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Tantalum carbide Property

Melting point:
3880°C
Boiling point:
5500°C
Density 
13.9
solubility 
soluble in HF-HNO3 mixture
form 
Powder
color 
Gray to black
Resistivity
30–42.1 (ρ/μΩ.cm)
Water Solubility 
Soluble in hydrofluoric acid and nitric acid. Partially soluble in water.
Crystal Structure
Cubic, NaCl Structure
EPA Substance Registry System
Tantalum carbide (TaC) (12070-06-3)
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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
280801
Product name
Tantalum(IV) carbide
Purity
≤5μm
Packaging
10g
Price
$96
Updated
2024/03/01
Alfa Aesar
Product number
012144
Product name
Tantalum carbide
Purity
99.5% (metals basis)
Packaging
50g
Price
$305
Updated
2024/03/01
Alfa Aesar
Product number
012144
Product name
Tantalum carbide
Purity
99.5% (metals basis)
Packaging
10g
Price
$78.5
Updated
2023/06/20
Strem Chemicals
Product number
73-0750
Product name
Tantalum carbide (99.5%-Ta)
Packaging
5g
Price
$36
Updated
2024/03/01
Strem Chemicals
Product number
73-0750
Product name
Tantalum carbide (99.5%-Ta)
Packaging
25g
Price
$119
Updated
2024/03/01
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Tantalum carbide Chemical Properties,Usage,Production

Chemical Properties

Hard, heavy, refractory, crystalline solid. Hardness 1800 kg/sq mm, resistivity 30 μΩ?cm (room temperature). Extremely resistant to chemical action except at elevated temperature.

Physical properties

Golden brown crystals, soluble in HF-HNO mixture. Crucible 3 container for melting ZrO and similar oxides with high melting point. Corrosion resistant to molten metals such as Ta and Re. Readily corroded by liquid metals such as Nb, Mo, and Sn. Burning occurs in pure oxygen above 800°C. Severe oxidation in air above 1100–1400°C. Maximum operating temperature of 3760°C in helium

Uses

Cutting tools and dies, cemented carbide tools.

Uses

A mixture of tantalum carbide (TaC) and graphite is a very hard material and is used to form the cutting edge of machine tools.

Uses

Tantalum monocarbide, TaC, is a gold-colored powder produced industrially by direct reaction of carbon with either tantalum scrap or tantalum pentoxide at temperatures up to 1,900 °C (3,452 °F). It is added in small amounts (0.2–2 wt %) in the form of TaC or mixed carbides like TaNbC and WTiTaC to tungsten carbide–cobalt-based cutting tools in order to reduce grain growth. Adding 2–15 wt % TaC to cemented carbides considerably increases their thermal shock resistance and their resistance to cratering and oxidation. The tantalum–carbon phase diagram shows the existence of several subcarbides.

Flammability and Explosibility

Non flammable

Industrial uses

Tantalum carbide and tungsten carbide combinedin a matrix of nickel, cobalt, and/or chromiumprovide an RHM formulation especiallysuited for a combination of corrosion and wearresistance. Some grades are almost as corrosionresistant as platinum. Nozzles, orifice plates,and valve components are typical uses.

Tantalum carbide Preparation Products And Raw materials

Raw materials

Tantalum pentoxide Carbon Black

Preparation Products

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Tantalum carbide Suppliers

China 119 France 1 Germany 3 India 6 Japan 2 Switzerland 1 United Kingdom 4 United States 20 Global 156
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View Lastest Price from Tantalum carbide manufacturers

Career Henan Chemical Co
Product
Tantalum carbide 12070-06-3
Price
US $1.00/KG
Min. Order
1KG
Purity
85.0-99.8%
Supply Ability
200kg
Release date
2019-08-30

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