ChroMiuM boride

ChemicalBook > CAS DataBase List > ChroMiuM boride

Product Name: ChroMiuM boride
CAS No.: 12007-16-8
Chemical Name: ChroMiuM boride
Synonyms: CRB2;CRB2 K;boron,chromium;CHROMIUM BORIDE;CHROMIUM BORIDE;Crumbs homolog 2;Einecs 234-499-3;CHROMIUM DIBORIDE;ChromiumBoride,99%;chromiumboride(crb2)
CBNumber: CB7197246
Molecular Formula: B2Cr
Formula Weight: 73.62
MOL File: 12007-16-8.mol

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ChroMiuM boride Property

Melting point:: 1550°C
Density: 5.15
storage temp.: -20°C
form: Powder
color: Gray
Water Solubility: It is insoluble in water.
Crystal Structure: Hexagonal a = 292.9 pm c = 306.6 pm C32, hP3, P6/mmm, AlB2 type (Z = 1)
Exposure limits: NIOSH: TWA 0.0002 mg/m3
Stability:: Strongly corroded by molten metals such as Mg, Al, Na, Cu, Si, V, Cr, Mn, Fe, and Ni; corrosion resistant to liquid metals Cu, Zn, Sn, Rb, and Bi
CAS DataBase Reference: 12007-16-8(CAS DataBase Reference)
EPA Substance Registry System: Chromium boride (CrB2) (12007-16-8)

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Safety

WGK Germany: 3
TSCA: Yes

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H317May cause an allergic skin reaction

H350May cause cancer

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P272Contaminated work clothing should not be allowed out of the workplace.

P273Avoid release to the environment.

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

P302+P352IF ON SKIN: wash with plenty of soap and water.

P321Specific treatment (see … on this label).

P333+P313IF SKIN irritation or rash occurs: Get medical advice/attention.

P363Wash contaminated clothing before reuse.

P391Collect spillage. Hazardous to the aquatic environment

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Alfa Aesar

Product number: 012570
Product name: Chromium boride, 99% (metals basis)
Packaging: 25g
Price: $38.65
Updated: 2024/03/01

Alfa Aesar

Product number: 012570
Product name: Chromium boride, 99% (metals basis)
Packaging: 100g
Price: $123
Updated: 2023/06/20

American Custom Chemicals Corporation

Product number: ING0002727
Product name: CHROMIUM DIBORIDE
Purity: 95.00%
Packaging: 5MG
Price: $499.8
Updated: 2021/12/16

ProChem

Product number: 1463
Product name: ChromiumBoride
Purity: 99.5%
Packaging: 100gm
Price: $430
Updated: 2021/12/16

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ChroMiuM boride Chemical Properties,Usage,Production

Chemical Properties

-150, +325 mesh with 99.5% purity; refractory material; high melting point, very hard, very high corrosion resistance; used as metallurgical additive and as a sputtering target to produce films, which can be wear-resistant and semiconducting [KIR78] [HAW93] [CER91]

Uses

Chromium boride,is been used in plasma technology and for high-performance electrodes in electron microscopes, metal matrix composites (MMCs), cutting tools and cermets for machining aluminum. chromium diboride is recognised as offering superior performance in corrosive-wear environments. Chromium diboride thin films possess desirable combinations of properties, which are attractive for a wide range of potential industrial applications. As a wear-resistant component of weld materials and powders for spraying in engineering and metallurgy, Protection of outer surfaces and bearing surfaces of machine parts against abrasive wear by plasma spraying, In aluminum evaporators manufacturing and for aluminum electrolyzes repair work, In nuclear engineering as neutron absorption material.

Flammability and Explosibility

Not classified

Industrial uses

Chromium boride occurs as very hard crystallinepowder in several phases: the CrBorthorhombic crystal, the hexagonal crystalCr2B, and the tetragonal crystal Cr3B2. Chromiumboride parts produced by powder metallurgyhave a specific gravity of 6.20 to 7.31,with a Rockwell A hardness of 77 to 88. Theyhave good resistance to oxidation at high temperatures,are stable to strong acids, and havehigh heat-shock resistance up to 1316°C. Thetransverse rupture strength is from 552 to 931MPa. CrB is used for oil-well drilling. A sinteredmaterial, used for gas-turbine blades, contains85% CrB with 15% nickel binder. It hasa Rockwell A hardness of 87 and a transverserupture strength of 848 MPa.

ChroMiuM boride Preparation Products And Raw materials

Raw materials

Preparation Products

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ChroMiuM boride Suppliers

China 48 Europe 2 Germany 2 Japan 2 Switzerland 1 United Kingdom 4 United States 14 Global 73

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