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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

Selenium dioxide Manufacturer/High quality/Best price/In stock

Cas:7446-08-4

Min.Order:1 Kilogram

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance White crystalline powder Complies Assay(SeO2) 98%min

High purity Selenium dioxide with high quality and best price cas:7446-08-4

Cas:7446-08-4

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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 Selenium dioxide

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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

Selenium oxide

Cas:7446-08-4

Min.Order:5 Kiloliter

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LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

Selenium dioxide / LIDE PHARMA- Factory supply / Best price

Cas:7446-08-4

Min.Order:1 Gram

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Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram

Selenium dioxide 7446-08-4 large in supply CAS NO.7446-08-4

Cas:7446-08-4

Min.Order:10 Gram

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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

CAS NO.:7446-08-4

Cas:7446-08-4

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Hebei Mojin Biotechnology Co.,Ltd

Company information: Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in carbomer,carbopol,lead acetate,meglumine diphenyl ethylamine and other chemical raw materials and chemical reagents research and development production ente

Factory supply Selenium dioxide/Selenium(IV) oxide CAS 7446-08-4

Cas:7446-08-4

Min.Order:1 Kilogram

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Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

Selenium dioxide

Cas:7446-08-4

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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

SELENIUM(IV) OXIDE

Cas:7446-08-4

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Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development 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 chemi

Selenium dioxide

Cas:7446-08-4

Min.Order:10 Gram

FOB Price: $100.0

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HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:light pink powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:Used as Pharmaceutical Intermediat

Selenium dioxide

Cas:7446-08-4

Min.Order:1 Kilogram

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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,

Selenium dioxide

Cas:7446-08-4

Min.Order:1 Metric Ton

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Henan Sinotech Import&Export Corporation

Molecular Formula: SeO2 C.A.S No.: 7446-08-4 Property: white crystal powder, easy deliquescence, easily soluble in water and soluble in ethanol. Application: electrolytic manganese

Selenium oxide

Cas:7446-08-4

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

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Shanghai Minstar Chemical Co., Ltd

Selenium dioxide Basic information Product Name: Selenium dioxide Synonyms: Selenious acid anhydride;SELENIOUS ANHYDRIDE;SELENIUM AA/ICP CALIBRATION/CHECK STANDARD;SELENIUM AA SINGLE ELEMENT STANDARD;SELENIUM, AAS STANDARD SOLUTION;SELENIUM AA S

Selenium dioxide 7446-08-4 large in supply

Cas:7446-08-4

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Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

Selenium dioxide

Cas:7446-08-4

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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

Selenium dioxide

Cas:7446-08-4

Min.Order:0 Metric Ton

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Aecochem Corp.

Selenium dioxide

Cas:7446-08-4

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Henan Tianfu Chemical Co., Ltd.

1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.

Selenium dioxide

Cas:7446-08-4

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Zhuozhou Wenxi import and Export Co., Ltd

Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard

factory directly supply CAS 7446-08-4 with competitive price

Cas:7446-08-4

Min.Order:1 Kilogram

FOB Price: $112.0

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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

Selenium dioxide

Cas:7446-08-4

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Xiamen AmoyChem Co.,Ltd

Amoychem is committed to providing the top-quality chemical products and services Internationally. We offer our customers with friendly, professional service and reliable, high performance products that have been manufactured according to the accredi

Selenium Oxide

Cas:7446-08-4

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Hubei Langyou International Trading Co., Ltd

High purity Selenium dioxide with high quality and best price cas:7446-08-4 Application:High purity Selenium dioxide with high quality and best price cas:7446-08-4

Luyunjia Chemistry Xiamen Limited

Xiamen Luyunjia Trading Co.,Ltd Package:1kg/bag; 4707kg/drum, or as customer's request. Application:Xiamen Luyunjia Trading Co.,Ltd Transportation:DHL, EMS, FedEx, TNT, AIR, SEA Port:Beijing,Shanghai,Guangzhou ,China main port

SELENIUM(IV) OXIDE

Cas:7446-08-4

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Hunan Longxianng Runhui Trading Co.,Ltd

High purity Selenium dioxide with high quality and best price cas:7446-08-4Appearance:White crystalline powder Storage:Rom tep. Package:25kg net/paper drum Application:intermediate for organic synthesis Transportation:By express (Door to door) such a

High purity Selenium dioxide with high quality and best price cas:7446-08-4

Cas:7446-08-4

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Wuhan ZeShanCheng Biomedical Technology Co., Ltd.

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highl

Selenium dioxide

Cas:7446-08-4

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Hunan Russell Chemicals Technology Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China

Selenium dioxide 7446-08-4

Cas:7446-08-4

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Chemsigma International Co.,Ltd.

bulk?production Application:Pharmaceutical intermediates

Selenium dioxide

Cas:7446-08-4

Min.Order:0

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Beantown Chemical

in stock Application:7446-08-4

Selenium(IV) oxide, 99% trace metals basis

Cas:7446-08-4

Min.Order:0

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Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

Amadis Chemical offer CAS#7446-08-4;CAT#A838139

Cas:7446-08-4

Min.Order:10 Milligram

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Synthetic route

silver(I) selenide

silver(I) selenide

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

Conditions
ConditionsYield
With air In neat (no solvent) reaction at 700°C within 30 minutes;;99%
With oxygen In neat (no solvent) reaction with O2 in presence of N2 (3 % O2) at 700°C within 30 minutes;;50.6%
With oxygen In neat (no solvent) reaction with O2 in presence of N2 (1 % O2) at 700°C within 30 minutes;;27.8%
selenourea
630-10-4

selenourea

zinc(II) sulfate
7733-02-0

zinc(II) sulfate

A

selenium
7782-49-2

selenium

B

zinc(II) selenide

zinc(II) selenide

C

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

Conditions
ConditionsYield
With NH3; Na2SO3; N2H4*H2O In water Kinetics; byproducts: Zn(O,OH), Zn; 60°C; 20 min; pH 11.5; deposited on glass; not isolated; detected by XPS;A 14%
B 77%
C 4%
selenous acid dimethyl ester
7600-22-8

selenous acid dimethyl ester

ammonia
7664-41-7

ammonia

A

selenium
7782-49-2

selenium

B

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

C

selenium nitride

selenium nitride

Conditions
ConditionsYield
In ammonia reaction of OSe(OCH3)2 with an excess of liq. NH3 in a bomb for 12 h;; evaporation of the excess of NH3; addn. of abs. ether; filtration; washing with H2O and 10% KCN soln.;;A 5.3%
B 45.8%
C 48.8%
diethyl selenite
14364-97-7

diethyl selenite

ammonia
7664-41-7

ammonia

A

selenium
7782-49-2

selenium

B

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

C

selenium nitride

selenium nitride

Conditions
ConditionsYield
In ammonia reaction of OSe(OC2H5)2 with an excess of liq. NH3 in a bomb for 12 h;; evaporation of the excess of NH3; addn. of abs. ether; filtration; washing with H2O and 10% KCN soln.;;A 5.3%
B 45.8%
C 48.8%
In benzene byproducts: N2; dropwise addition of OSe(OCH2CH3)2 to dry benzene; introduction of NH3 into this solution;; sucking off; treatment with water and 10% KCN soln.; carefully dried at 105°C;;
dimethoxy selenium dioxide
6918-51-0

dimethoxy selenium dioxide

A

formaldehyd
50-00-0

formaldehyd

B

formic acid
64-18-6

formic acid

C

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

Conditions
ConditionsYield
zerfaellt bei hoeherere Temperatur explosionartig;
diethoxy selenium dioxide
16276-55-4

diethoxy selenium dioxide

A

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

B

acetaldehyde
75-07-0

acetaldehyde

Conditions
ConditionsYield
at 145 - 150℃;
triselenium dicyanide
2179-96-6

triselenium dicyanide

hydrogen cyanide
74-90-8

hydrogen cyanide

water
7732-18-5

water

A

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

B

selenium

selenium

methaneseleninic acid
28274-57-9

methaneseleninic acid

A

formaldehyd
50-00-0

formaldehyd

B

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

C

dimethyl diselenide
7101-31-7

dimethyl diselenide

D

selenium

selenium

Conditions
ConditionsYield
at 120℃; beim Schmelzen;
triselenium dicyanide
2179-96-6

triselenium dicyanide

water
7732-18-5

water

calcium carbonate

calcium carbonate

A

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

B

selenocyanic acid
13103-11-2

selenocyanic acid

C

selenium

selenium

triselenium dicyanide
2179-96-6

triselenium dicyanide

water
7732-18-5

water

potassium hydroxide

potassium hydroxide

A

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

B

selenocyanic acid
13103-11-2

selenocyanic acid

C

selenium

selenium

selenous acid dimethyl ester
7600-22-8

selenous acid dimethyl ester

ammonia
7664-41-7

ammonia

A

methanol
67-56-1

methanol

B

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

C

Se4N4

Se4N4

D

selenium

selenium

Conditions
ConditionsYield
und Stehenlassen des Reaktionsgemisches bei Raumtemperatur;
diethyl selenite
14364-97-7

diethyl selenite

ammonia
7664-41-7

ammonia

A

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

B

ethanol
64-17-5

ethanol

C

Se4N4

Se4N4

D

selenium

selenium

diethyl selenite
14364-97-7

diethyl selenite

ammonia
7664-41-7

ammonia

benzene
71-43-2

benzene

A

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

B

ethanol
64-17-5

ethanol

C

Se4N4

Se4N4

D

selenium

selenium

1,5-diphenyl-3,3-dichloro-3-selena-1,5-pentanedione
28076-02-0

1,5-diphenyl-3,3-dichloro-3-selena-1,5-pentanedione

water
7732-18-5

water

A

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

B

acetophenone
98-86-2

acetophenone

1,5-diphenyl-3,3-dichloro-3-selena-1,5-pentanedione
28076-02-0

1,5-diphenyl-3,3-dichloro-3-selena-1,5-pentanedione

diluted NaOH-solution

diluted NaOH-solution

A

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

B

acetophenone
98-86-2

acetophenone

selenium
7782-49-2

selenium

diselenium dibromide
1015938-55-2, 7789-52-8

diselenium dibromide

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

Conditions
ConditionsYield
With silver(l) oxide In water
phosphorous

phosphorous

selenium(IV) fluoride
13465-66-2, 271781-78-3

selenium(IV) fluoride

A

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

B

trifluorophosphoric acid
13478-20-1

trifluorophosphoric acid

C

nitrosylsulfuric acid fluoride
1087413-67-9

nitrosylsulfuric acid fluoride

D

trifluorophosphane
7783-55-3

trifluorophosphane

silver selenite

silver selenite

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

Conditions
ConditionsYield
In neat (no solvent) thermal decomposition;;
silver selenite

silver selenite

A

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

B

silver
7440-22-4

silver

Conditions
ConditionsYield
In neat (no solvent) Kinetics; byproducts: O2; isothermal heating of silver selenite in open Pt crucible in N2 flow (25cm**3/min), temp. interval of 923-1123 K;
cadmium(II) selenite

cadmium(II) selenite

A

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

B

cadmium(II) oxide

cadmium(II) oxide

Conditions
ConditionsYield
In neat (no solvent) Kinetics; isothermal heating of cadmium selenite in open Pt crucible in N2 flow (25 cm**3/min), temp. interval of 923-1123 K;
In neat (no solvent) Kinetics; isothermal decomposition at 823 - 928 K in N2;
lead(IV) selenite

lead(IV) selenite

A

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

B

lead dioxide

lead dioxide

Conditions
ConditionsYield
In solid Kinetics; heating the selenite in air at 1023-1173 K;
germanium(IV) selenite

germanium(IV) selenite

A

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

B

germanium dioxide

germanium dioxide

Conditions
ConditionsYield
In solid Kinetics; heating the selenite in air at 723-873 K;
In neat (no solvent) Kinetics; isothermal heating of Ge selenite in open Pt crucible in N2 flow (25 cm**3/min), temp. interval of 723-923 K;
diselenium dichloride
10025-68-0

diselenium dichloride

A

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

B

selenium tetrachloride
10026-03-6

selenium tetrachloride

Conditions
ConditionsYield
In not given byproducts: O2;
selenium oxychloride
7791-23-3

selenium oxychloride

diselenium dichloride
10025-68-0

diselenium dichloride

A

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

B

oxygen
80937-33-3

oxygen

Conditions
ConditionsYield
In neat (no solvent)
In neat (no solvent)
oxygen
80937-33-3

oxygen

diselenium dichloride
10025-68-0

diselenium dichloride

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

Conditions
ConditionsYield
In neat (no solvent) byproducts: Se chloride; reaction by passing of O3-containing O2 through Se2Cl2;; formation of a white pptn.;;
In neat (no solvent) byproducts: Se chloride; reaction by passing of O3-containing O2 through Se2Cl2;; formation of a white pptn.;;
selenium
7782-49-2

selenium

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

Conditions
ConditionsYield
In tetrachloromethane
In neat (no solvent) treatment of Se powder with ozone;;
In neat (no solvent)
neodymium(III) oxide

neodymium(III) oxide

SeOCl(1+)

SeOCl(1+)

A

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

B

selenium oxychloride
7791-23-3

selenium oxychloride

C

neodymium(III)

neodymium(III)

Conditions
ConditionsYield
dissolution of Nd2O3 in SeOCl2; soln. used as liquid laser;
indium(III) selenite

indium(III) selenite

A

indium(III) oxide

indium(III) oxide

B

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

Conditions
ConditionsYield
In neat (no solvent) Kinetics; isothermal heating of indium selenite in open Pt crucible in N2 flow (25cm**3/min), temp. interval of 723-923 K;
In solid Kinetics; thermal decompn. at 723-973 K;
aluminium selenite

aluminium selenite

A

aluminum oxide
1333-84-2, 1344-28-1

aluminum oxide

B

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

Conditions
ConditionsYield
In neat (no solvent) Kinetics; isothermal heating of Al selenite in open Pt crucible in N2 flow (25 cm**3/min), temp. interval of 723-923 K;
In solid Kinetics; thermal decompn. at 723-973 K;
selenium(IV) oxide
7446-08-4

selenium(IV) oxide

Carbonyl fluoride
353-50-4

Carbonyl fluoride

A

selenyl fluoride
7783-43-9

selenyl fluoride

B

carbon dioxide
124-38-9

carbon dioxide

Conditions
ConditionsYield
In neat (no solvent) slight excess over the stoich. amt. of COF2 required; reaction mixt. heated in a stainless steel or monel cylinder at 200°C for 50 h;A 100%
B n/a
selenium(IV) oxide
7446-08-4

selenium(IV) oxide

vanadia

vanadia

cadmium(II) oxide

cadmium(II) oxide

cadmium(II) vanadium selenite

cadmium(II) vanadium selenite

Conditions
ConditionsYield
In neat (no solvent, solid phase) mixture ground, pressed into pellets, heated in evac. sealed tube at 300°C for 1 d and at 680 °C for 6 d, cooled to 280 °C at 4 °C, cooled to room temp. in 10 h; elem. anal.;100%
selenium(IV) oxide
7446-08-4

selenium(IV) oxide

thallium chloride

thallium chloride

uranium(VI) trioxide

uranium(VI) trioxide

Tl(1+)*UO2(2+)*HSeO3(1-)*SeO3(2-)=Tl(UO2)(HSeO3)(SeO3)
409306-24-7

Tl(1+)*UO2(2+)*HSeO3(1-)*SeO3(2-)=Tl(UO2)(HSeO3)(SeO3)

Conditions
ConditionsYield
In water TlCl, UO3, SeO2 and water were heated in PTFE-lined autoclave for 72 h at 180°C and cooled at 9°C/h to 23°C, crystals were washed with water and MeOH and dried;99%
praseodymium oxide

praseodymium oxide

praseodymium

praseodymium

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

rubidium chloride

rubidium chloride

lithium chloride

lithium chloride

rubidium lithium praseodymium(III) chloride oxoselenate(IV)

rubidium lithium praseodymium(III) chloride oxoselenate(IV)

Conditions
ConditionsYield
In neat (no solvent) "Pr2O3":SeO2 molar ratio was 1:6, LiCl:RbCl olar ratio was 1.37:1, excess of fluxing agent, 500 °C in an evacuated silica ampoule, 2 months;99%
nickel(II) oxide
1313-99-1

nickel(II) oxide

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

molybdenum(VI) oxide

molybdenum(VI) oxide

nickel(II) molybdenum(VI) selenium(IV) oxide

nickel(II) molybdenum(VI) selenium(IV) oxide

Conditions
ConditionsYield
In neat (no solvent, solid phase) heating 3:2:1 mixt. of nickel oxide, molybdenum trioxide and selenum dioxide in vac. at 710°C for 6 d; IR;99%
strontium(II) oxide

strontium(II) oxide

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

strontium chloride

strontium chloride

Sr3(SeO3)(S2O5)Cl2

Sr3(SeO3)(S2O5)Cl2

Conditions
ConditionsYield
In neat (no solvent, solid phase) by a react. of a mixt. of SrO, SrCl2 and SeO2 in a molar ratio of 2:1:3 at 660°C for 6 d; identified by XRD;99%
selenium(IV) oxide
7446-08-4

selenium(IV) oxide

vanadia

vanadia

potassium carbonate
584-08-7

potassium carbonate

potassium vanadium selenite

potassium vanadium selenite

Conditions
ConditionsYield
In water teflon-lined hydrothermal bomb; 473 K, 4 d; sonication (1 h in H2O);96%
selenium(IV) oxide
7446-08-4

selenium(IV) oxide

rubidium chloride

rubidium chloride

uranium(VI) trioxide

uranium(VI) trioxide

Rb(1+)*UO2(2+)*HSeO3(1-)*SeO3(2-)=Rb(UO2)(HSeO3)(SeO3)
409306-22-5

Rb(1+)*UO2(2+)*HSeO3(1-)*SeO3(2-)=Rb(UO2)(HSeO3)(SeO3)

Conditions
ConditionsYield
In water RbCl, UO3, SeO2 and water were heated in PTFE-lined autoclave for 72 h at 180°C and cooled at 9°C/h to 23°C, crystals were washed with water and MeOH and dried;96%
selenium(IV) oxide
7446-08-4

selenium(IV) oxide

barium hydroxide octahydrate

barium hydroxide octahydrate

molybdenum(VI) oxide

molybdenum(VI) oxide

BaMoO3SeO3

BaMoO3SeO3

Conditions
ConditionsYield
In water Ba:Mo:Se = 1:1:1, hydrothermal treatment (autogenous pressure, 160°C, 4 d);96%
indium(III) oxide

indium(III) oxide

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

water
7732-18-5

water

In(3+)*OH(1-)*SeO3(2-)=In(OH)(SeO3)

In(3+)*OH(1-)*SeO3(2-)=In(OH)(SeO3)

Conditions
ConditionsYield
In water High Pressure; mixt. of oxides and water heated in autoclave at 160°C for 3 d, cooled to room temp. over a few h;95.2%
selenium(IV) oxide
7446-08-4

selenium(IV) oxide

sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

copper(II) choride dihydrate

copper(II) choride dihydrate

cesium chloride

cesium chloride

water
7732-18-5

water

Cs6Na[(α-SeW9O33)2Cu3(H2O)3Cs3(H2O)6]*7H2O

Cs6Na[(α-SeW9O33)2Cu3(H2O)3Cs3(H2O)6]*7H2O

Conditions
ConditionsYield
With sodium acetate buffer In water SeO2 and Na2WO4*2H2O added to soln. of CuCl2*2H2O (molar ratio 1:9:1.6) in sodium acetate buffer (pH 4.8); heated to 90°C for 1 h; cooled; solid CsCl added; ppt. isolated; air dried; elem. anal.;95%
selenium(IV) oxide
7446-08-4

selenium(IV) oxide

nickel(II) chloride hexahydrate

nickel(II) chloride hexahydrate

barium carbonate

barium carbonate

Ba(2+)*2Ni(2+)*3SeO3(2-)*99H2O=BaNi2(SeO3)3*99H2O

Ba(2+)*2Ni(2+)*3SeO3(2-)*99H2O=BaNi2(SeO3)3*99H2O

Conditions
ConditionsYield
In water High Pressure; BaCO3, NiCl2*6H2O and SeO2 (1:2:3) in H2O heated in an autoclave at 180°C for 3 d; cooled to room temp. over 3 h, filtered, washed (H2O);95%
sodium molybdate

sodium molybdate

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

Na2SeMoO6

Na2SeMoO6

Conditions
ConditionsYield
In neat (no solvent, solid phase) from a stoich. mixt. of SeO2 and Na2MoO4; heating to 370°C for 1 d and then cooling at 6°/h to ambient temp. in an evacuated and sealed tubes;90%
potassium molybdate(VI)

potassium molybdate(VI)

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

K2SeMoO6

K2SeMoO6

Conditions
ConditionsYield
In neat (no solvent, solid phase) from a stoich. mixt. of SeO2 and K2MoO4; heating to 370°C for 1 dand then cooling at 6°/h to ambient temp. in an evacuated and se aled tubes;90%
selenium
7782-49-2

selenium

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

bromine
7726-95-6

bromine

diselenium dibromide
1015938-55-2, 7789-52-8

diselenium dibromide

Conditions
ConditionsYield
With sulfur dioxide In water simultaneous addition of Br2 and introduction of SO2 into a soln. of SO2 in ice water; after decoloration, SeO2 and Se are added; addition of concd. H2SO4; cooling;; washing with concd. H2SO4;;90%
With SO2 In water simultaneous addition of Br2 and introduction of SO2 into a soln. of SO2 in ice water; after decoloration, SeO2 and Se are added; addition of concd. H2SO4; cooling;; washing with concd. H2SO4;;90%
selenium(IV) oxide
7446-08-4

selenium(IV) oxide

vanadia

vanadia

calcium hydroxide

calcium hydroxide

Ca2(VO2)2(SeO3)3*2H2O=Ca2(VO2)2(SeO3)3(H2O)2

Ca2(VO2)2(SeO3)3*2H2O=Ca2(VO2)2(SeO3)3(H2O)2

Conditions
ConditionsYield
In water High Pressure; Ca(OH)2, V2O5 and SeO4 and water were heated in Teflon-lined autoclave at 230°C for 4 days; react. mixt. was cooled slowly to room temp. at 6°C/h, ppt. was filtered, washed with water and acetone;90%
selenium(IV) oxide
7446-08-4

selenium(IV) oxide

uranium(VI) trioxide

uranium(VI) trioxide

calcium carbonate

calcium carbonate

calcium hydroxide

calcium hydroxide

Ca(2+)*UO2(2+)*2SeO3(2-)=Ca((UO2)(SeO3)2)

Ca(2+)*UO2(2+)*2SeO3(2-)=Ca((UO2)(SeO3)2)

Conditions
ConditionsYield
In water High Pressure; UO3, SeO2, CaCO3, Ca(OH)2 and water were loaded in autoclave, sealed, placed in furnace for 30 ds at 180°C, cooled to 23°C at 9°C/h; washed with MeOH, dried;89%
selenium(IV) oxide
7446-08-4

selenium(IV) oxide

potassium chloride

potassium chloride

uranium(VI) trioxide

uranium(VI) trioxide

K(1+)*UO2(2+)*HSeO3(1-)*SeO3(2-)=K(UO2)(HSeO3)(SeO3)
409306-21-4

K(1+)*UO2(2+)*HSeO3(1-)*SeO3(2-)=K(UO2)(HSeO3)(SeO3)

Conditions
ConditionsYield
In water KCl, UO3, SeO2 and water were heated in PTFE-lined autoclave for 72 h at180°C and cooled at 9°C/h to 23°C, crystals were w ashed with water and MeOH and dried;88%
selenium(IV) oxide
7446-08-4

selenium(IV) oxide

vanadia

vanadia

vanadia

vanadia

potassium hydroxide

potassium hydroxide

KV2SeO7

KV2SeO7

Conditions
ConditionsYield
In water molar ratio V2O5:V2O3:SeO2:KOH=2:2:15:10, 230°C, 3 d (autoclave); slow cooling to room temp., collection (filtration); powder X-ray diffraction, optical microscopy;87%
In water molar ratio V2O5:V2O3:SeO2:KOH=3:1:15:10, 230°C, 3 d (autoclave); slow cooling to room temp., collection (filtration); powder X-ray diffraction, optical microscopy;69%
selenium(IV) oxide
7446-08-4

selenium(IV) oxide

potassium carbonate
584-08-7

potassium carbonate

potassium selenite

potassium selenite

Conditions
ConditionsYield
In methanol byproducts: CO2; room temp.; recrystn. (ether/methanol); elem. anal.;87%
rubidium carbonate

rubidium carbonate

selenium(IV) oxide
7446-08-4

selenium(IV) oxide

water
7732-18-5

water

tungsten(VI) oxide

tungsten(VI) oxide

Rb2(WO3)3SeO3

Rb2(WO3)3SeO3

Conditions
ConditionsYield
mixt. (NH4:W:Se=2:1:2) placing in Teflon-lined hydrothermal reaction vessel, heating to 210°C for 10 d (final pH 3.4); TGA;86%
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