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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities

Chromium

Cas:7440-47-3

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply Chromium

Cas:7440-47-3

Min.Order:1

Negotiable

Type:Other

inquiry

Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Factory price Cosmetic CHROMIUM 7440-47-3 Manufacturer

Cas:7440-47-3

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

lower price High quality Chromium

Cas:7440-47-3

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

inquiry

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

Chromium

Cas:7440-47-3

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

Chromium

Cas:7440-47-3

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Wholesale price CAS 7440-47-3 with best price

Cas:7440-47-3

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W

Chromium CAS7440-47-3

Cas:7440-47-3

Min.Order:1 Kilogram

FOB Price: $289.0 / 499.0

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

Product Name: Chromium Synonyms: ChroMiuM powder, APS <10 Micron, 99.2% (Metals basis);Chromium ICP Std.;Chromium, Chips 3-6mm Thick 99.99%;ChroMiuM solution;ChroMiuM(VI) standard;Chromium pieces, electrolytic, 6mm & down, Puratronic, 99

Chromium

Cas:7440-47-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specializ

Chromium

Cas:7440-47-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

Chromium

Cas:7440-47-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

Chromium

Cas:7440-47-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

Chromium

Cas:7440-47-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

Chromium

Cas:7440-47-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

7440-47-3 Cr Chromium

Cas:7440-47-3

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Henan Kanbei Chemical Co.,LTD

High quality, competitive price, fast delivery and first-class service we possesses have won the trust and praise of customers. Standard: BP/USP/EP The purity is equal or greater than 99%. As a supplier, we can provide high-quality products. Cle

High purity Chromium powder

Cas:7440-47-3

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W

7440-47-3 Cr Chromium

Cas:7440-47-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

7440-47-3 Cr Chromium

Cas:7440-47-3

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

7440-47-3 Cr Chromium

Cas:7440-47-3

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Hebei Mojin Biotechnology Co.,Ltd

We produce carbomer by our own factory,carbomer 940 is our best seller.It is used for cosmetic and medical.And we also become agent for lubrizol.Our carbomer 940 get high viscosity and good transparency.The price will depond on the market,surely supp

chromium atom

Cas:7440-47-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Henan Tianfu Chemical Co., Ltd.

Our advantage:Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientif

TIANFU-CHEM Chromium

Cas:7440-47-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Jiling Chemical Co., Ltd

factory Storage:Shading, sealed and preserved. Package:Grams, Kilograms Application:An organic synthetic intermediate used Transportation:According to customer request Port:Qingdao

Chromium7440-47-3

Cas:7440-47-3

Min.Order:0

Negotiable

Type:Other

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

Chromium

Cas:7440-47-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

Chromium(III) atomic absorption standard solution

Cas:7440-47-3

Min.Order:0

Negotiable

Type:Other

inquiry

Shanghai Acmec Biochemical Technology Co., Ltd.

Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea

Acmec Chromium 2.5kg

Cas:7440-47-3

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

Chromium

Cas:7440-47-3

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Wuxi TAA Chemical Industry Co.,LTD.

1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re

Chromium

Cas:7440-47-3

Min.Order:0

Negotiable

Type:Other

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

Chromium

Cas:7440-47-3

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

Chromium

Cas:7440-47-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Ocean Chemical Co., Ltd.

Ocean inorganic department is a professional supplier and exporter engaging in inorganic chemical materials and metal organic compounds. Over the past years, our company is committed to improving the product quality and developing new products, in or

Chromium

Cas:7440-47-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

chromium(III) oxide

chromium(III) oxide

chromium
7440-47-3

chromium

Conditions
ConditionsYield
With acetylen soot redn. at 1120°C;100%
With acetylen soot redn. at 1120°C;100%
With calcium carbide; potassium chloride byproducts: K2CrO4; forming vapour of K at 600°C; reaction temp. ca 400°C; K2CrO4 dissolving with water; purity: 99.5-99.8% Cr;90%
chromium(III) chloride
10025-73-7

chromium(III) chloride

magnesium
7439-95-4

magnesium

chromium
7440-47-3

chromium

Conditions
ConditionsYield
With potassium chloride; sodium chloride byproducts: MgCl2; 12 kg CrCl3, 3.5 kg Mg, 17.6 kg KCl and 12.4 kg NaCl mixed then heated in electric furnace at 800°C; formed MgCl2 dissolved and filtrated, remainder washed with water twice then with dild. HNO3;94.2%
With potassium chloride In ethanol; water equimolar amts.; heating to melt; leaching with water, boiling with dild. aq. HNO3; purity: 99.55% Cr;75%
With KCl In ethanol; water equimolar amts.; heating to melt; leaching with water, boiling with dild. aq. HNO3; purity: 99.55% Cr;75%
chromium(III) oxide

chromium(III) oxide

Ce(45),La(20),Nd(15),Pr(15),Y(0),Gd(0),Sm(0) (X%)

Ce(45),La(20),Nd(15),Pr(15),Y(0),Gd(0),Sm(0) (X%)

chromium
7440-47-3

chromium

Conditions
ConditionsYield
ignition in Mg-pot; 16g of Cr2O3, 20g of the alloy;90%
tris(η3-allyl)chromium
27303-69-1

tris(η3-allyl)chromium

A

propane
74-98-6

propane

B

chromium
7440-47-3

chromium

Conditions
ConditionsYield
With hydrogen In further solvent(s) High Pressure; in perhydrocumol at 100 at;;A 89%
B n/a
With H2 In further solvent(s) High Pressure; in perhydrocumol at 100 at;;A 89%
B n/a
chromium(III) oxide

chromium(III) oxide

aluminium
7429-90-5

aluminium

chromium
7440-47-3

chromium

Conditions
ConditionsYield
equimolar amts.; Al content: 0.5%;82%
equimolar amts.; Al content: 0.5%;82%
110% of the theoretically necessary Al; Al content: 5%;73%
Conditions
ConditionsYield
chromium iron ore reduced with Al in presence of 0.1-20 % of Cu and 2 % of Mg; molten metal has great fluidity and small surface tension because of Mg and Cu so sepn. between metal and slag simple;82%
chromium iron ore reduced with Al in presence of 0.1-20 % of Cu and 2 % of Mg; molten metal has great fluidity and small surface tension because of Mg and Cu so sepn. between metal and slag simple;82%
chromium(III) oxide

chromium(III) oxide

calcium
7440-70-2

calcium

aluminium
7429-90-5

aluminium

A

tricalcium aliminate

tricalcium aliminate

B

chromium
7440-47-3

chromium

Conditions
ConditionsYield
60.9g of Cr2O3, 24g of Ca, 10.8g of Al;A n/a
B 74.3%
60.9g of Cr2O3, 24g of Ca, 10.8g of Al;A n/a
B 74.3%
chromium(III) oxide

chromium(III) oxide

barium peroxide
1304-29-6

barium peroxide

aluminium
7429-90-5

aluminium

chromium
7440-47-3

chromium

Conditions
ConditionsYield
96% of the theoretically necessary Al; 80% BaO2 refer to used Al amt.; Al content: <0.1%;74.3%
96% of the theoretically necessary Al; 80% BaO2 refer to used Al amt.; Al content: <0.1%;74.3%
96% of the theoretically necessary Al; 30% BaO2 refer to used Al amt.; Al content: <.1%;65%
96% of the theoretically necessary Al; 30% BaO2 refer to used Al amt.; Al content: <.1%;65%
sodium
7440-23-5

sodium

chromium(III) chloride
10025-73-7

chromium(III) chloride

chromium
7440-47-3

chromium

Conditions
ConditionsYield
heating in a steel bomb; purity 99.86%;57%
heating in a steel bomb; purity 99.86%;57%
With hydrogen CrCl3 free from H2O; H2 flow and introducing of Na vapour; in china pot;
With H2 CrCl3 free from H2O; H2 flow and introducing of Na vapour; in china pot;
CrCl2(tetrahydrofuran)2
15604-50-9

CrCl2(tetrahydrofuran)2

trimethylaluminum
75-24-1

trimethylaluminum

ethylaluminum dichloride
563-43-9

ethylaluminum dichloride

A

[((HN(C2H4SC6H11)2)Cr(methyl)(μ-Cl))2](Al2(CH3)6Cl)2

[((HN(C2H4SC6H11)2)Cr(methyl)(μ-Cl))2](Al2(CH3)6Cl)2

B

chromium
7440-47-3

chromium

Conditions
ConditionsYield
In toluene soln. of Cr-complex and amine stirred at 22 °C to give blue suspn., Al(CH3)3 added; soln. filtered, stand at -35 °C for 1 h, mother liquor removed, crystals washed (hexane), dried (vac.); elem. anal.;A 32%
B n/a
chromium dichloride

chromium dichloride

sodium hydrogen sulfide

sodium hydrogen sulfide

1,2-bis(dimethylphosphanyl)ethane
23936-60-9

1,2-bis(dimethylphosphanyl)ethane

A

tris(bis(1,2-dimethylphosphino)ethane)bis(μ3-sulfido)tris(μ2-sulfido)trichromium
100681-53-6

tris(bis(1,2-dimethylphosphino)ethane)bis(μ3-sulfido)tris(μ2-sulfido)trichromium

B

chromium
7440-47-3

chromium

Conditions
ConditionsYield
In methanol to a soln. of CrCl2 and NaSH in methanol at -78°C excess of phosphine was added, warming slowly to room temp. over ca. 12 h; evapd. to dryness, recrystd. from toluene at -20°C; elem. anal.;A 20%
B n/a
Reaxys ID: 11358736

Reaxys ID: 11358736

chromium
7440-47-3

chromium

Conditions
ConditionsYield
In water at 60℃; for 2h; Electrolysis;
Reaxys ID: 11360458

Reaxys ID: 11360458

chromium
7440-47-3

chromium

Conditions
ConditionsYield
In water at 60℃; for 2h; Electrolysis;
Reaxys ID: 11361274

Reaxys ID: 11361274

chromium
7440-47-3

chromium

Conditions
ConditionsYield
Electrolysis;
Reaxys ID: 15738955

Reaxys ID: 15738955

A

chromium
7440-47-3

chromium

B

hydrogen
1333-74-0

hydrogen

Conditions
ConditionsYield
With thiourea In water at 60℃; for 2h; Electrolysis;
With saccharin In water at 60℃; for 2h; Electrolysis;
Reaxys ID: 15738955

Reaxys ID: 15738955

chromium
7440-47-3

chromium

Conditions
ConditionsYield
at 60℃; for 2h; Electrolysis;
With gelatin at 60℃; for 0.166667h; Electrolysis;
With potassium dichromate at 60℃; for 0.5h; Electrolysis;
Reaxys ID: 11385973

Reaxys ID: 11385973

chromium
7440-47-3

chromium

Conditions
ConditionsYield
at 60℃; for 0.5h; Electrolysis;
Reaxys ID: 11380532

Reaxys ID: 11380532

chromium
7440-47-3

chromium

Conditions
ConditionsYield
at 60℃; for 0.5h; Electrolysis;
dichromic acid
13530-68-2

dichromic acid

chromium
7440-47-3

chromium

Conditions
ConditionsYield
reaction mechanism is given;
reaction mechanism is given;
iron silicon

iron silicon

chromium
7440-47-3

chromium

Conditions
ConditionsYield
With methyllithium; sodium carbonate ferrochromium oxidized by heating with lime and sodium carbonate to mixture of chromite-cromate, mixture reduced with FeSi, FeSi free from C;
With binding agent; chromium ore finely dispersed chromium ore mixed with ferrosilicon and binding agent and heated at 1300°C;
With binding agent; chromium ore finely dispersed chromium ore mixed with ferrosilicon and binding agent and heated at 1300°C;
iron silicon

iron silicon

pyrographite
7440-44-0

pyrographite

chromium
7440-47-3

chromium

Conditions
ConditionsYield
With chromium ore chromium ore mixed with C, ferrosilicon and binding agent, briqueting, drying and heating at 1150-1300°C;
2Cr(3+)*2OH(1-)*SO4(2-)={Cr2(OH)2SO4}(2+)

2Cr(3+)*2OH(1-)*SO4(2-)={Cr2(OH)2SO4}(2+)

chromium
7440-47-3

chromium

Conditions
ConditionsYield
In not given Electrochem. Process;0%
potassium tris(oxalato)chromate(III)

potassium tris(oxalato)chromate(III)

chromium
7440-47-3

chromium

Conditions
ConditionsYield
In not given0%
Cr(0.2),Hg(b) (X%)

Cr(0.2),Hg(b) (X%)

chromium
7440-47-3

chromium

Conditions
ConditionsYield
decompn. of amalgame;
decompn. of amalgame;
chromium sulfate

chromium sulfate

chromium
7440-47-3

chromium

Conditions
ConditionsYield
In not given Electrochem. Process; neutral soln.;0%
With sulfuric acid In not given Electrochem. Process; 1.5 mol/l CrSO4; 0.05 n H2SO4; anolyte: satd. Na2SO4; CO2 atm.; 30°C; 30 A/dm**2;
In not given Electrochem. Process; 0.77 mol/l, 1.4 mol/l or 1.6 mol/l; 30-35°C; 10.5 A/dm**2; under N2;
In not given Electrochem. Process; CO2 atm.;
In not given Electrochem. Process; 0.77 mol/l, 1.4 mol/l or 1.6 mol/l; 30-35°C; 10.5 A/dm**2; under N2;
chromium(III) sulfate

chromium(III) sulfate

chromium sulfate

chromium sulfate

chromium
7440-47-3

chromium

Conditions
ConditionsYield
With ammonium sulfate; sodium sulfate In not given Electrochem. Process; 15 g Cr/l; 42 g/l NH4(1+); 27 g/l Na(1+); 31°C; 7.0-8.6 A/dm**2; current efficiency 45%; asbestos diaphragm;
Electrochem. Process;
With ammonium sulfate In not given Electrochem. Process; 30 g Cr/l; 200-300 g/l (NH4)2SO4; 50-60°C; 8-12 A/dm**2; pH=2.3-3.0; anode: 99% Pb, 1% Ag alloy;
chromium(II) hydroxide

chromium(II) hydroxide

chromium
7440-47-3

chromium

Conditions
ConditionsYield
With H Electrochem. Process; redn. on cathode;
With H Electrochem. Process; redn. on cathode;
ammonium tris(oxalato)chromate(III)

ammonium tris(oxalato)chromate(III)

chromium
7440-47-3

chromium

Conditions
ConditionsYield
In not given pH=7;
triammonium hexaformiatochromate(III)

triammonium hexaformiatochromate(III)

chromium
7440-47-3

chromium

Conditions
ConditionsYield
In not given Electrochem. Process; pH=7;
In not given Electrochem. Process; pH=7;
samarium(III) oxide

samarium(III) oxide

chromium
7440-47-3

chromium

samarium chromite

samarium chromite

Conditions
ConditionsYield
With NaClO4 In neat (no solvent, solid phase) byproducts: NaCl; heating; washing (H2O), filtering, drying (80°C, 4 h);99%
With O2 In neat (no solvent, solid phase) 800°C;99%
sintering in air above 800°C;
hafnium

hafnium

chromium
7440-47-3

chromium

silicon
7440-21-3

silicon

Hf2Cr4Si5

Hf2Cr4Si5

Conditions
ConditionsYield
In melt Hf, Cr, and Si were pressed into pellets and arc-melted under Ar; X-ray powder diffraction;99%
titanium
7440-32-6

titanium

chromium
7440-47-3

chromium

silicon
7440-21-3

silicon

Ti2Cr4Si5

Ti2Cr4Si5

Conditions
ConditionsYield
In melt Ti, Cr, and Si were pressed into pellets and arc-melted under Ar; X-ray powder diffraction;99%
zirconium
7440-67-7

zirconium

chromium
7440-47-3

chromium

silicon
7440-21-3

silicon

Zr2Cr4Si5

Zr2Cr4Si5

Conditions
ConditionsYield
In melt Zr, Cr, and Si were pressed into pellets and arc-melted under Ar; X-ray powder diffraction;99%
tetrahydrofuran
109-99-9

tetrahydrofuran

chromium
7440-47-3

chromium

trifluoroacetic acid
76-05-1

trifluoroacetic acid

[Cr3(μ3-O)(CF3COO)6(CH3COOH)2(C4H8O)]

[Cr3(μ3-O)(CF3COO)6(CH3COOH)2(C4H8O)]

Conditions
ConditionsYield
In tetrahydrofuran; trifluoroacetic acid Electrolysis; sealed reactor, 1:1 volume ratio of solvents, at 0.001 A and 8 V at 343-353 K; crystd. on hstorage at 378 K over P2O5 for 3 d;99%
chromium
7440-47-3

chromium

acetonitrile
75-05-8

acetonitrile

trifluoroacetic acid
76-05-1

trifluoroacetic acid

[Cr3(μ3-O)(CF3COO)6(CH3COOH)2(CF3COO)]
845781-68-2

[Cr3(μ3-O)(CF3COO)6(CH3COOH)2(CF3COO)]

Conditions
ConditionsYield
In acetonitrile; trifluoroacetic acid Electrolysis; sealed reactor, 1:1 volume ratio of solvents, at 0.01 A and 8 V at 343-353 K; crystd. on hstorage at 378 K over P2O5 for 3 d;99%
chromium
7440-47-3

chromium

1-vinyl-2-hydroxymethyl(benz)imidazole
63633-05-6

1-vinyl-2-hydroxymethyl(benz)imidazole

(C3H2N2(CHCH2)CH2O)Cr(2+)*2ClO4(1-)=[(C3H2N2(CHCH2)CH2O)Cr](ClO4)2

(C3H2N2(CHCH2)CH2O)Cr(2+)*2ClO4(1-)=[(C3H2N2(CHCH2)CH2O)Cr](ClO4)2

Conditions
ConditionsYield
With tetrabutylammonium perchlorate In acetonitrile Electrolysis; Ar; Pt cathode, metal sacrificial anode, c.d. 10-30 mA/cm**2, electrolyte 0.1-0.2 M tetrabutylammonium perchlorate; elem. anal.;99%
dysprosium((III) oxide

dysprosium((III) oxide

chromium
7440-47-3

chromium

dysprosium chromite

dysprosium chromite

Conditions
ConditionsYield
With O2 In neat (no solvent, solid phase) 800°C;99%
With NaClO4 In neat (no solvent, solid phase) byproducts: NaCl; heating; washing (H2O), filtering, drying (80°C, 4 h);99%
europium(III) oxide

europium(III) oxide

chromium
7440-47-3

chromium

europium chromite

europium chromite

Conditions
ConditionsYield
With NaClO4 In neat (no solvent, solid phase) byproducts: NaCl; heating; washing (H2O), filtering, drying (80°C, 4 h);99%
cerium(III) oxide

cerium(III) oxide

chromium
7440-47-3

chromium

cerium chromite

cerium chromite

Conditions
ConditionsYield
With NaClO4 In neat (no solvent, solid phase) byproducts: NaCl; heating; washing (H2O), filtering, drying (80°C, 4 h);99%
holmium(III) oxide

holmium(III) oxide

chromium
7440-47-3

chromium

holmium chromite

holmium chromite

Conditions
ConditionsYield
With NaClO4 In neat (no solvent, solid phase) byproducts: NaCl; heating; washing (H2O), filtering, drying (80°C, 4 h);99%
lanthanum(III) oxide

lanthanum(III) oxide

chromium
7440-47-3

chromium

lanthanum chromate

lanthanum chromate

Conditions
ConditionsYield
With O2 In neat (no solvent, solid phase) 800°C;99%
With NaClO4 In neat (no solvent, solid phase) byproducts: NaCl; heating; washing (H2O), filtering, drying (80°C, 4 h);99%
yttrium(III) oxide

yttrium(III) oxide

chromium
7440-47-3

chromium

yttrium orthochromite

yttrium orthochromite

Conditions
ConditionsYield
With NaClO4 In neat (no solvent, solid phase) byproducts: NaCl; heating; washing (H2O), filtering, drying (80°C, 4 h);99%
ytterbium(III) oxide

ytterbium(III) oxide

chromium
7440-47-3

chromium

ytterbium chromite

ytterbium chromite

Conditions
ConditionsYield
With NaClO4 In neat (no solvent, solid phase) byproducts: NaCl; heating; washing (H2O), filtering, drying (80°C, 4 h);99%
erbium(III) oxide

erbium(III) oxide

chromium
7440-47-3

chromium

erbium chromite

erbium chromite

Conditions
ConditionsYield
With NaClO4 In neat (no solvent, solid phase) byproducts: NaCl; heating; washing (H2O), filtering, drying (80°C, 4 h);99%
gadolinium(III) oxide

gadolinium(III) oxide

chromium
7440-47-3

chromium

gadolinium orthochromite

gadolinium orthochromite

Conditions
ConditionsYield
With NaClO4 In neat (no solvent, solid phase) byproducts: NaCl; heating; washing (H2O), filtering, drying (80°C, 4 h);99%
terbium(III) oxide

terbium(III) oxide

chromium
7440-47-3

chromium

Tb chromite

Tb chromite

Conditions
ConditionsYield
With NaClO4 In neat (no solvent, solid phase) byproducts: NaCl; heating; washing (H2O), filtering, drying (80°C, 4 h);99%
praseodymium(III) oxide

praseodymium(III) oxide

chromium
7440-47-3

chromium

praseodymium chromite

praseodymium chromite

Conditions
ConditionsYield
With NaClO4 In neat (no solvent, solid phase) byproducts: NaCl; heating; washing (H2O), filtering, drying (80°C, 4 h);99%
neodymium(III) oxide

neodymium(III) oxide

chromium
7440-47-3

chromium

neodymium chromite

neodymium chromite

Conditions
ConditionsYield
With NaClO4 In neat (no solvent, solid phase) byproducts: NaCl; heating; washing (H2O), filtering, drying (80°C, 4 h);99%
lutetium(III) oxide

lutetium(III) oxide

chromium
7440-47-3

chromium

Lu chromite

Lu chromite

Conditions
ConditionsYield
With NaClO4 In neat (no solvent, solid phase) byproducts: NaCl; heating; washing (H2O), filtering, drying (80°C, 4 h);99%
chromium
7440-47-3

chromium

acetylacetone
123-54-6

acetylacetone

chromium(III) acetylacetonate

chromium(III) acetylacetonate

Conditions
ConditionsYield
With Et4NBr In acetonitrile Electrolysis; electrolysis at 60°C in a cell with a chromium anode and a nickel catode, surface area of 100 and 35 cm**2, resp.; 0.1 N Et4NBr in MeCN as supporting electrolytecurrent density of 15 mA cm**-2; after electrolysis completion, mixt. diluted with water and extd. with CHCl3, dried over MgSO4, evapd; purified by pptn. with petroleum ether from a chlooform soln.; identified by elem. anal., IR, mass spectra;97%
In neat (no solvent) byproducts: H2; Electrolysis; exclusion of air; addn. of acetylacetone and (n-Bu4N)Br to electrolysisautoclave with chromium anode, current 100 mV, initial voltage of 8 V, electrolysis for 27 h; concn (high vac.), recrystn., sublimation (100°C/1E-3 Torr);94%
In acetonitrile Electrolysis; electrolysis (Pt-cathode, Cr-anode) of a soln. of 2,4-pentanedione/Bu4NFB4 (0.1M), 3-4 Ah, treated with ether/acetone, pptn.; filtered, dried in vacuum;91%
With (C4H9)4NBF4 In acetonitrile Electrolysis; reaction of Cr anode with 30% soln. of acetylacetone in CH3CN with added 0.1 M Bu4NBF4, Pt cathode; addn. of ether-acetone mixture;; pptn.; drying in vacuo; crystallization from benzene-CH3CN mixture;;91%
With tert-butylammonium hexafluorophosphate(V) In acetylacetone Electrochem. Process; tetra-n-butylammonium hexafluorophosphate added to dry acetylacetone, Crelectrode, 300 V, 10-50 mA, ca. 10 h; evapd. under vac., solid washed twice with hexane and twice with petroleum ether;71.7%
chromium
7440-47-3

chromium

nickel
7440-02-0

nickel

aluminium
7429-90-5

aluminium

tungsten
7440-33-7

tungsten

A

Ni(77.1),Cr(2.0),Al(17.9),W(3.0) (A%)

Ni(77.1),Cr(2.0),Al(17.9),W(3.0) (A%)

B

Ni(79.8),Cr(5.8),Al(12.2),W(2.2) (A%)

Ni(79.8),Cr(5.8),Al(12.2),W(2.2) (A%)

Conditions
ConditionsYield
In melt Electric Arc; ingots by arc melting of Ni(75)-Cr(2.5)-Al(20)-W(2.5) (at%), several remelts, sealed in silica tube under vac. with partial pressure of Ar, 1573K (2 weeks), furnace cooled to 1523K, 4 weeks, 1273K (6 weeks), quenched in iced water; electron microscopy, electron probe microanalysis, x-ray diffraction;A 95%
B 5%
potassium sulfide

potassium sulfide

chromium
7440-47-3

chromium

phosphorous (V) sulfide

phosphorous (V) sulfide

sulfur
7704-34-9

sulfur

potassium chromium thiophosphate

potassium chromium thiophosphate

Conditions
ConditionsYield
In neat (no solvent, solid phase) byproducts: KCrP2S7, KCrP2S7; Cr, P2S5, K2S and S sealed under vac. in silica tube, heated up to 200°C for 4 h, maintained at this temp. for 12 h, temp. raised to 550°C and kept for 7 d; cooled to room temp. (2°C/h);95%
2-ethoxy-ethanol
110-80-5

2-ethoxy-ethanol

chromium
7440-47-3

chromium

Cr(3+)*3CH3CH2O(CH2)2O(1-)=Cr(C2H5O(CH2)2O)3

Cr(3+)*3CH3CH2O(CH2)2O(1-)=Cr(C2H5O(CH2)2O)3

Conditions
ConditionsYield
In cellosolve=2-ethoxyethanol Electrochem. Process; soln. of Et4NBr, carbon steel cathode and Cr anode (N2); centrifugation, washing of ppt. (ethanol, twice), drying (vacuum); elem. anal.;93.5%
chromium
7440-47-3

chromium

glycine
56-40-6

glycine

tetrakis(glycine)tetrabromodichromium(II) tetrahydrate
92126-99-3

tetrakis(glycine)tetrabromodichromium(II) tetrahydrate

Conditions
ConditionsYield
With HBr In water (Ar or N2); Cr added to HBr soln., stirred for 3 h, hot ligand soln. added; ppt. warmed to 70°C to dissolved it, filtered, allowed to cool slowly overnight, filtered in air, washed with EtOH, second drop pptd. from filtrate; elem. anal.;93.5%
N,N'-(ethane-1,2-diyl)bis(1-(2-methoxyphenyl)methanimine)
3116-85-6

N,N'-(ethane-1,2-diyl)bis(1-(2-methoxyphenyl)methanimine)

water
7732-18-5

water

chromium
7440-47-3

chromium

trichlorohydro[N,N'-bis(2-methoxybenzylideneethylenediamine)chromium(III) dihydrate]

trichlorohydro[N,N'-bis(2-methoxybenzylideneethylenediamine)chromium(III) dihydrate]

Conditions
ConditionsYield
In ethanol for 2h; Reflux;93%
trifluorormethanesulfonic acid
1493-13-6

trifluorormethanesulfonic acid

water
7732-18-5

water

chromium
7440-47-3

chromium

chromium(II) triflate hexahydrate

chromium(II) triflate hexahydrate

Conditions
ConditionsYield
In water under Ar atm. using Schlenk techniques; to soln. of CF3SO3H in H2O Cr chips (treated with HClO4 and H2O) added in Schlenk tube; mixt. heated to 40°C; stirred for 7 ds; solvent evapd. (vac.);91.2%
tetrafluoroboric acid

tetrafluoroboric acid

chromium
7440-47-3

chromium

dimethyl sulfoxide
67-68-5

dimethyl sulfoxide

[Cr(dmso)6][BF4]3

[Cr(dmso)6][BF4]3

Conditions
ConditionsYield
In water; dimethyl sulfoxide Electrochem. Process; 20 h electrochem. oxidn. at 3.5 V, 100 mA; soln. warmed to ca 50°C with stirring; pptn. in 30 min; filtering; washing with diethyl ether; vac. drying; elem. anal.;91%
In diethyl ether; dimethyl sulfoxide Electrochem. Process; 7 h electrochem. oxidn. at 6 V, 50 mA; soln. warmed to ca 50°C with stirring; filtering; washing with diethyl ether; vac. drying;

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