Copper chromite
- Product Name
- Copper chromite
- CAS No.
- 12018-10-9
- Chemical Name
- Copper chromite
- Synonyms
- COPPER CHROMITE CATALYST;CUPRICCHROMITE;COPPER(II) CHROMITE;COPPERCHROMIUM OXIDE;chromium copper oxid;COPPER(II)CHROMATE(III);Copper chromite(Cr2CuO4);tetraoxid dichromito-me?naty;chromiumcopperoxide(cr2cuo4);copper dichromium tetraoxide
- CBNumber
- CB4172860
- Molecular Formula
- CrCuH2O
- Formula Weight
- 133.56
- MOL File
- 12018-10-9.mol
Copper chromite Property
- Density
- 5.400
- vapor pressure
- 0-0.08Pa at 190-200℃
- solubility
- insoluble in H2O, dilute acid solutions
- form
- Powder
- color
- Brown to black
- Water Solubility
- insoluble H2O, dilute acids, conc HCl [MER06]
- InChI
- InChI=1S/2Cr.Cu.4O
- InChIKey
- FULFYAFFAGNFJM-UHFFFAOYSA-N
- SMILES
- O([Cr]=O)[Cr]=O.O=[Cu]
- EPA Substance Registry System
- Chromium copper oxide (Cr2CuO4) (12018-10-9)
Safety
- Hazard Codes
- O,Xi
- Risk Statements
- 8-37-36/37/38-20/21
- Safety Statements
- 17-24/25-23
- RIDADR
- UN 1479 5.1/PG 2
- WGK Germany
- 3
- HS Code
- 28415000
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H400Very toxic to aquatic life
H411Toxic to aquatic life with long lasting effects
- Precautionary statements
-
P273Avoid release to the environment.
P391Collect spillage. Hazardous to the aquatic environment
P501Dispose of contents/container to..…
N-Bromosuccinimide Price
- Product number
- 29-0410
- Product name
- Copper chromite, barium promoted (62-64% Cr2CuO4, 22-24% CuO, 6%BaO, 0-4% Graphite, 1% CrO3, 1% Cr2O3)
- Packaging
- 100g
- Price
- $59
- Updated
- 2024/03/01
- Product number
- 29-0410
- Product name
- Copper chromite, barium promoted (62-64% Cr2CuO4, 22-24% CuO, 6%BaO, 0-4% Graphite, 1% CrO3, 1% Cr2O3)
- Packaging
- 500g
- Price
- $228
- Updated
- 2024/03/01
Copper chromite Chemical Properties,Usage,Production
Chemical Properties
copper chromite is a black, tetragonal powder that is insoluble in water. It is prepared by the heating to 400°C of copper(II) chromate(VI).
Physical properties
Grayish-black tetragonal crystals; density 5.4 g/cm3. When heated to elevated temperatures (above 900°C) copper(II) chromite decomposes to cupric chromate(II), CuCrO2 and chromium (VI) oxide, CrO3. Copper(II) chromite is insoluble in water and dilute acids.
Uses
Copper chromite is used as a hydrogenation catalyst.
Preparation
Copper(II) chromite is obtained by heating copper chromate, CuCrO4 at 400°C. The Adkin catalyst, a mixture of copper oxide and copper chromite, is prepared by mixing aqueous solutions of copper nitrate, sodium dichromate and ammonium hydroxide; the orange precipitate of copper ammonium chromate formed is dried and then heated below 400°C.
Application
Copper chromite is primarily used as a catalyst forhydrogenation reactions because of its ability to hydrogenate functional groupsin aliphatic and aromatic compounds selectively. Industrially, copper chromiteis used to reduce furfural to furfuryl alcohol and butyraldehyde to 1-butanol,partially reduce conjugated dienes to monoenes, and selectively reduce carbonylgroups in vegetable oils. This CuCr catalyst is studied for a variety ofcatalytic applications including converting the hydrogenolysis of cellulose.It is also used as a catalyst for combustion to help control burn rate and as alight-absorbing pigment.
General Description
Copper chromite is a black powder and inorganic pigment thatadopts a spinel crystal structure. It can be made by the high-temperaturecalcination of copper(II) oxide and chromium(III) oxide or the thermaldecomposition of copper chromate, which evolves oxygen at higher temperaturesand decomposes to copper chromite.
Copper chromite Preparation Products And Raw materials
Raw materials
Preparation Products
Copper chromite Suppliers
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- China
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View Lastest Price from Copper chromite manufacturers
- Product
- Copper chromite 12018-10-9
- Price
- US $0.00-0.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 500
- Release date
- 2023-07-20
- Product
- Copper chromite 12018-10-9
- Price
- US $3.00-1.00/kg
- Min. Order
- 1kg
- Purity
- 99.9%
- Supply Ability
- 10 tons
- Release date
- 2024-04-17
- Product
- Copper chromite 12018-10-9
- Price
- US $45.00-35.00/kg
- Min. Order
- 1kg
- Purity
- 99.8%
- Supply Ability
- 200tons/year
- Release date
- 2024-01-15