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10213-10-2 Usage

Chemical Properties

white to slightly yellow crystalline powder or

Definition

ChEBI: A hydrate that is the dihydrate form of sodium tungstate. Combines with hydrogen peroxide for the oxidation of secondary amines to nitrones

Uses

Fireproofing and waterproofing fabrics; preparing complex Compounds such as phosphotungstate and silicotungstate; as a protective colloid in biological development methods; precipitant for alkaloids; catalyst in oxidation reactions; corrosion inhibitor for steel.

Purification Methods

The salt crystallises from hot water (0.8mL/g) on cooling to 0o. [Grüttner & Jender in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol II p 1727 1965].
InChI:InChI=1/2Na.2H2O.4O.W/h;;2*1H2;;;;;/q2*+1;;;;;2*-1;/r2Na.O4W.2H2O/c;;1-5(2,3)4;;/h;;;2*1H2/q2*+1;-2;;

10213-10-2 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
Alfa Aesar (36489)  Sodium tungsten oxide dihydrate, ACS, 99.0-101.0%    10213-10-2 100g 689.0CNY Detail
Alfa Aesar (36489)  Sodium tungsten oxide dihydrate, ACS, 99.0-101.0%    10213-10-2 500g 1262.0CNY Detail
Alfa Aesar (87371)  Sodium tungsten oxide dihydrate, 95%    10213-10-2 250g 463.0CNY Detail
Alfa Aesar (87371)  Sodium tungsten oxide dihydrate, 95%    10213-10-2 1kg 1374.0CNY Detail
Sigma-Aldrich (T2629)  Sodiumtungstatedihydrate  suitable for preparation of protein-free filtrates according to Folin 10213-10-2 T2629-50G 537.03CNY Detail
Sigma-Aldrich (T2629)  Sodiumtungstatedihydrate  suitable for preparation of protein-free filtrates according to Folin 10213-10-2 T2629-100G 869.31CNY Detail
Sigma-Aldrich (T2629)  Sodiumtungstatedihydrate  suitable for preparation of protein-free filtrates according to Folin 10213-10-2 T2629-500G 3,825.90CNY Detail
Sigma-Aldrich (14304)  Sodiumtungstatedihydrate  purum, ≥99% 10213-10-2 14304-500G 3,602.43CNY Detail
Sigma-Aldrich (14304)  Sodiumtungstatedihydrate  purum, ≥99% 10213-10-2 14304-6X500G 17,491.50CNY Detail
Sigma-Aldrich (223336)  Sodiumtungstatedihydrate  ACS reagent, ≥99% 10213-10-2 223336-5G 414.18CNY Detail
Sigma-Aldrich (223336)  Sodiumtungstatedihydrate  ACS reagent, ≥99% 10213-10-2 223336-100G 1,143.09CNY Detail
Sigma-Aldrich (223336)  Sodiumtungstatedihydrate  ACS reagent, ≥99% 10213-10-2 223336-500G 3,534.57CNY Detail

10213-10-2SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name sodium tungstate dihydrate

1.2 Other means of identification

Product number -
Other names Sodium tungstate dihydrate

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:10213-10-2 SDS

10213-10-2Synthetic route

tungsten(VI) oxide

tungsten(VI) oxide

sodium hydroxide
1310-73-2

sodium hydroxide

sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

Conditions
ConditionsYield
In acetic acid heating, filtration; evapn., crystn.;
In acetic acid heating, filtration; evapn., crystn.;
tungsten(VI) oxide

tungsten(VI) oxide

sodium carbonate
497-19-8

sodium carbonate

sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

Conditions
ConditionsYield
In not given heating, filtration; evapn., crystn.;
In not given heating, filtration; evapn., crystn.;
ortho-tungstic acid

ortho-tungstic acid

sodium hydroxide
1310-73-2

sodium hydroxide

sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

Conditions
ConditionsYield
In not given heating, filtration; evapn., crystn.;
In not given heating, filtration; evapn., crystn.;
In water for 0.333333h;
sodium carbonate
497-19-8

sodium carbonate

ortho-tungstic acid

ortho-tungstic acid

sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

Conditions
ConditionsYield
In not given heating, filtration; evapn., crystn.;
In melt leaching with boiling water, analogous react. with tungstenic ore; crystn.;
In not given heating, filtration; evapn., crystn.;
In melt leaching with boiling water, analogous react. with tungstenic ore; crystn.;
sodium tungstate decahydrate

sodium tungstate decahydrate

sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

Conditions
ConditionsYield
above 6°C;
above 6°C;
sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

lead(II) nitrate

lead(II) nitrate

lead(II) tungstate

lead(II) tungstate

Conditions
ConditionsYield
In water equiv. amt. of Pb(NO3)2 and Na2WO4*2H2O dissolved in H2O are simultaneously added to H2O at equal flow rates (180 ml/min) with vigorous stirring(stirring rate 210 rpm); soln. decanted; filtered; ppt. washed (H2O); dried at 150°C;99.8%
In water equiv. amt. of Pb(NO3)2 and Na2WO4*2H2O dissolved in H2O are simultaneously added to H2O at equal flow rates (15 ml/min) with vigorous stirring (stirring rate 300 rpm); soln. decanted; filtered; ppt. washed (H2O); dried at 150°C;99.5%
In water equiv. amt. of Pb(NO3)2 and Na2WO4*2H2O dissolved in H2O are simultaneously added to H2O at equal flow rates (17 ml/min) with vigorous stirring (stirring rate 300 rpm); soln. decanted; filtered; ppt. washed (H2O); dried at 150°C;99.7%
sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

disodium phosphate heptahydrate

disodium phosphate heptahydrate

(tetrabutylammonium)4H3PW11O39
83721-04-4

(tetrabutylammonium)4H3PW11O39

Conditions
ConditionsYield
With hydrogenchloride In water stirring (1 h, room temp.); washing (water and diethyl ether), drying (vac., 60°C); elem. anal.;99%
Methyl 6-methylnicotinate
5470-70-2

Methyl 6-methylnicotinate

sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

5-(methoxycarbonyl)-2-methylpyridine 1-oxide
49668-89-5

5-(methoxycarbonyl)-2-methylpyridine 1-oxide

Conditions
ConditionsYield
With dihydrogen peroxide In methanol; water98%
sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

2-nitrophenylphenyl sulfide

2-nitrophenylphenyl sulfide

2-nitrophenylphenyl sulfone

2-nitrophenylphenyl sulfone

Conditions
ConditionsYield
With dihydrogen peroxide; tetra(n-butyl)ammonium hydrogen sulfate In toluene97.8%
sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

2-nitrophenylphenyl sulfide

2-nitrophenylphenyl sulfide

benzyltrimethylammonium chloride
56-93-9

benzyltrimethylammonium chloride

2-nitrophenylphenyl sulfone

2-nitrophenylphenyl sulfone

Conditions
ConditionsYield
With sulfuric acid; dihydrogen peroxide In toluene97.6%
sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

tetraphenylarsonium chloride
507-28-8, 14842-08-1

tetraphenylarsonium chloride

2As(C6H5)4(1+)*W2O3(O2)4(2-)=(As(C6H5)4)2[W2O3(O2)4]

2As(C6H5)4(1+)*W2O3(O2)4(2-)=(As(C6H5)4)2[W2O3(O2)4]

Conditions
ConditionsYield
With hydrogenchloride; dihydrogen peroxide In water treatment of Na2WO4 soln. with 30% H2O2, pH adjustment to 2.5 (diltd. HCl), dropwise addn. of 2 equiv. Ph4AsCl (pptn.); filtration, washing (H2O, Et2O), drying in air; elem. anal.;97%
sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

copper hydroxide
20427-59-2

copper hydroxide

ethylenediamine
107-15-3

ethylenediamine

[Cu(ethylenediamine)3]WO4

[Cu(ethylenediamine)3]WO4

Conditions
ConditionsYield
In water for 48h;97%
2-[[(4-chlorophenyl)thio]methyl]-1,4-difluorobenzene
470716-52-0

2-[[(4-chlorophenyl)thio]methyl]-1,4-difluorobenzene

sodium metabisulfite

sodium metabisulfite

sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

2-[[(4-chlorophenyl)sulfonyl]methyl]-1,4-difluorobenzene
470716-51-9

2-[[(4-chlorophenyl)sulfonyl]methyl]-1,4-difluorobenzene

Conditions
ConditionsYield
With sulfuric acid; dihydrogen peroxide In n-heptane; water; toluene96%
tellurium(IV) oxide
7446-07-3

tellurium(IV) oxide

sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

Na2WTe4O12

Na2WTe4O12

Conditions
ConditionsYield
In water molar ratio W:Te=3:1, acid digestion bomb, 225°C, 4 d; then cooling to room temp. over 36 h;96%
In neat (no solvent, solid phase) stoich. amts., heating in air (450°C, 6 h; then 580°C, 2 d; intermittent grinding);
sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

tetrahexylammonium chloride
5922-92-9

tetrahexylammonium chloride

2N((CH2)5CH3)4(1+)*W2O3(O2)4(2-)=(N((CH2)5CH3)4)2[W2O3(O2)4]

2N((CH2)5CH3)4(1+)*W2O3(O2)4(2-)=(N((CH2)5CH3)4)2[W2O3(O2)4]

Conditions
ConditionsYield
With hydrogenchloride; dihydrogen peroxide In water treatment of Na2WO4 soln. with 30% H2O2, pH adjustment to 2.5 (diltd. HCl), dropwise addn. of (C6H13)4NCl (pptn.); filtration, washing (H2O, Et2O), drying in air; elem. anal.;96%
sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

copper(II) choride dihydrate

copper(II) choride dihydrate

phosphoric acid
86119-84-8, 7664-38-2

phosphoric acid

ethylenediamine
107-15-3

ethylenediamine

[(Cu(ethylenediamine)2)3PW11CuClO39]*6H2O

[(Cu(ethylenediamine)2)3PW11CuClO39]*6H2O

Conditions
ConditionsYield
In water High Pressure; mixt. Na2WO4*2H2O, H3PO4, CuCl2*2H2O, ethylenediamine and water (pH 5) in polytetrafluoroethylene lined stainless stell autoclave was heated for80 h at 160°C and cooled to room temp. over 24 h; ppt. was filtered; elem. anal.;95%
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%
sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

potassium chloride

potassium chloride

water
7732-18-5

water

arsenic(III) trioxide

arsenic(III) trioxide

K14[WO(H2O)(α-AsW9O33)2]

K14[WO(H2O)(α-AsW9O33)2]

Conditions
ConditionsYield
With HCl In water dissolved at 80°C with stirring, adjusted (HCl) pH to 6.3, kept at 80°C for 10 min, filtered, added KCl, stirred for 15 min; ppt. filtered, dried (80°C);95%
sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

tetraoxo-μ-oxobis(pentamethylcyclopentadienyl)dimolybdenum(VI)

tetraoxo-μ-oxobis(pentamethylcyclopentadienyl)dimolybdenum(VI)

tetraphenylphosphonium bromide
2751-90-8

tetraphenylphosphonium bromide

P(C6H5)4(1+)*(C5(CH3)5)MoW5O18(1-)=P(C6H5)4(C5(CH3)5)MoW5O18

P(C6H5)4(1+)*(C5(CH3)5)MoW5O18(1-)=P(C6H5)4(C5(CH3)5)MoW5O18

Conditions
ConditionsYield
With HNO3 In methanol; water byproducts: H2O; (C5(CH3)5)Mo2O5 in methanol was mixed with an aq. soln. of Na2WO4*2H2O, aq. HNO3 was added, stirring for 2 h, bromide salt in water was added; ppt. was filtered off, washed with small portions of water, methanol anddiethyl ether, dried under vac. at 70°C; elem. anal.;95%
ziconium(IV) oxychloride octahydrate
13520-92-8

ziconium(IV) oxychloride octahydrate

sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

ZrW2O7((OH)1.5Cl0.5)*2H2O

ZrW2O7((OH)1.5Cl0.5)*2H2O

Conditions
ConditionsYield
With hydrogenchloride In water at 160℃; Autoclave;95%
sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

phosphoric acid
86119-84-8, 7664-38-2

phosphoric acid

potassium chloride

potassium chloride

water
7732-18-5

water

K6[α-P2W18O62] * 14 water

K6[α-P2W18O62] * 14 water

Conditions
ConditionsYield
Stage #1: sodium tungstate (VI) dihydrate; phosphoric acid; water With hydrogenchloride for 24h; Reflux;
Stage #2: potassium chloride at 80℃; for 72h;
95%
sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

diprop-2-en-1-yl pentanedioate
41226-64-6

diprop-2-en-1-yl pentanedioate

Aliquat 336
5137-55-3

Aliquat 336

Diglycidyl Glutarate
133548-06-8

Diglycidyl Glutarate

Conditions
ConditionsYield
With phosphoric acid; dihydrogen peroxide In water; toluene94%
sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

tetraoxo-μ-oxobis(pentamethylcyclopentadienyl)ditungsten(VI)

tetraoxo-μ-oxobis(pentamethylcyclopentadienyl)ditungsten(VI)

tetrabutyl phosphonium bromide
3115-68-2

tetrabutyl phosphonium bromide

P(C4H9)4(1+)*(C5(CH3)5)W6O18(1-)=P(C4H9)4(C5(CH3)5)W6O18

P(C4H9)4(1+)*(C5(CH3)5)W6O18(1-)=P(C4H9)4(C5(CH3)5)W6O18

Conditions
ConditionsYield
With HNO3 In methanol; water byproducts: H2O; (C5(CH3)5)W2O5 in methanol was mixed with an aq. soln. of Na2WO4*2H2O, aq. HNO3 was added, stirring for 2 h, bromide salt in water was added; ppt. was filtered off, washed with small portions of water, methanol anddiethyl ether, dried under vac. at 70°C; elem. anal.;94%
sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

tetraoxo-μ-oxobis(pentamethylcyclopentadienyl)dimolybdenum(VI)

tetraoxo-μ-oxobis(pentamethylcyclopentadienyl)dimolybdenum(VI)

1-butylpyridinium bromide
874-80-6

1-butylpyridinium bromide

C4H9NC5H5(1+)*(C5(CH3)5)MoW5O18(1-)=C4H9NC5H5(C5(CH3)5)MoW5O18

C4H9NC5H5(1+)*(C5(CH3)5)MoW5O18(1-)=C4H9NC5H5(C5(CH3)5)MoW5O18

Conditions
ConditionsYield
With HNO3 In methanol; water byproducts: H2O; (C5(CH3)5)Mo2O5 in methanol was mixed with an aq. soln. of Na2WO4*2H2O, aq. HNO3 was added, stirring for 2 h, bromide salt in water was added; ppt. was filtered off, washed with small portions of water, methanol anddiethyl ether, dried under vac. at 70°C; elem. anal.;93%
[2,2]bipyridinyl
366-18-7

[2,2]bipyridinyl

sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

vanadyl(IV) sulphate pentahydrate

vanadyl(IV) sulphate pentahydrate

phosphoric acid
86119-84-8, 7664-38-2

phosphoric acid

water
7732-18-5

water

[V8O14(2,2'-bipyridine)8(PO4)2][PW11VO40](2,2'-bipyridine)*12H2O

[V8O14(2,2'-bipyridine)8(PO4)2][PW11VO40](2,2'-bipyridine)*12H2O

Conditions
ConditionsYield
With HCl In water High Pressure; mixt. of W compd., V compd., bipyridine, H3PO4 and H2O was stirred; HCl was added to pH 1; heated at 180°C for 60 h under autogeneous pressure; cooled to room temp. over 44 h; filtered; washed (EtOH); elem. anal.;92%
potassium permanganate
7722-64-7

potassium permanganate

sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

cetyltrimethylammonim bromide
57-09-0

cetyltrimethylammonim bromide

boric acid
11113-50-1

boric acid

4C16H33(CH3)3N(1+)*2H(1+)*Mn(3+)*H2O*BW11O39(9-)*10H2O=[C16H33(CH3)3N]4H2[Mn(H2O)BW11O39]*10H2O

4C16H33(CH3)3N(1+)*2H(1+)*Mn(3+)*H2O*BW11O39(9-)*10H2O=[C16H33(CH3)3N]4H2[Mn(H2O)BW11O39]*10H2O

Conditions
ConditionsYield
In water; 1,2-dichloro-ethane Mn and W salts mixed in H2O, treated with H3BO3, treated dropwise with excess of hexadecyltrimethylammonium bromide in water with stirring at 80-85°C; washed(water), dried (vac.), elem. anal.;92%
sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

N,N-bis(3,5-di-t-butyl-2-hydroxybenzyl)-N',N'-dimethylethylenediamine
188713-27-1

N,N-bis(3,5-di-t-butyl-2-hydroxybenzyl)-N',N'-dimethylethylenediamine

[dioxotungsten(VI)(O(2,4-bis-tert-butyl-phenyl)CH2N(CH2CH2N(CH3)2)CH2(2,4-bis-tert-butyl-phenyl)O)]

[dioxotungsten(VI)(O(2,4-bis-tert-butyl-phenyl)CH2N(CH2CH2N(CH3)2)CH2(2,4-bis-tert-butyl-phenyl)O)]

Conditions
ConditionsYield
With acetic acid In methanol for 2h; Reflux;92%
sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

N,N-dioctadecylhydroxylamine

N,N-dioctadecylhydroxylamine

N-octadecyl-α-heptadecylnitrone
124029-68-1

N-octadecyl-α-heptadecylnitrone

Conditions
ConditionsYield
With dihydrogen peroxide; sodium tungstate91%
With dihydrogen peroxide; sodium tungstate91%
sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

terbium(III, IV) oxide

terbium(III, IV) oxide

calcium chloride

calcium chloride

Ca0.92Tb0.08WO4

Ca0.92Tb0.08WO4

Conditions
ConditionsYield
With HNO3; cetyl-trimethyl-ammonium bromide In water High Pressure; Tb4O7 dissolved in HNO3, extra HNO3 removed by evapn., H2O added, appropriate amounts of Na2WO4*2H2O, then CaCl2 and CTAB added with stirring for half of h, heated in Teflon-lined stainless steel autoclave to 150°C for 12 h, cooled to room temp.; ppt. centrifuged, washed with H2O, EtOH, dried in air at 60°C for12 h;90.73%
sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

2-(3,4-dimethoxyphenyl)-ethylamine
120-20-7

2-(3,4-dimethoxyphenyl)-ethylamine

(3,4-dimethoxyphenyl)acetaldehyde oxime
131371-75-0

(3,4-dimethoxyphenyl)acetaldehyde oxime

Conditions
ConditionsYield
With dihydrogen peroxide In methanol; dichloromethane90%
sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

phosphoric acid
86119-84-8, 7664-38-2

phosphoric acid

potassium chloride

potassium chloride

K6P2W18O62*14H2O, α

K6P2W18O62*14H2O, α

Conditions
ConditionsYield
With hydrogenchloride In water 0.91 equiv. of Na2WO4 (in H2O), 1.0 equiv. of 4 M HCl, 1.00 equiv. of 4 M H3PO4 was added slowly, reflux for >24 h, excess of KCl was added at room temp., ppt. was dried in air by aspiration, dissolved in H2O, 80 °C for 72 h; cooling, keeping at 4 °C for 24 h, elem. anal.;90%
With hydrogenchloride In water 0.79 equiv. of Na2WO4 (in H2O), 0.8 equiv. of 4 M HCl, 0.26 equiv. of 2 M H3PO4 and 0.4 equiv. of 4 M HCl were added simultaneously, reflux for >24 h, excess of KCl was added at room temp., ppt. was dried, dissolved in H2O, 80 °C for >48 h; cooling, keeping at 4 °C for 24 h;70%
sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

tributyltin chloride
1461-22-9

tributyltin chloride

(n-Bu3SnO)2WO2

(n-Bu3SnO)2WO2

Conditions
ConditionsYield
In water; acetone byproducts: NaCl; aq. soln. of Na2WO4 dropwise added with magnetic stirring to soln. of (C4H9)3SnCl in mixt. of H2O and acetone, stirred for 5 min; ppt. filtered off, washed with H2O, dried in air at 100°C; elem. anal.;90%
sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

Na9(α-SbW9O33)*19.5H2O

Na9(α-SbW9O33)*19.5H2O

cesium chloride

cesium chloride

water
7732-18-5

water

Cs26[Sb6W65O217(H2O)7]*50H2O

Cs26[Sb6W65O217(H2O)7]*50H2O

Conditions
ConditionsYield
With KCl; HCl In water dissolved Na9SbW9O33*19.5H2O, Na2WO4*2H2O, KCl, adjusted (HCl) pH to 1.0, boiled for 15 min, hot soln. filtered, added CsCl, stirred for 15 min; filtered, dried (air); elem. anal.;90%
sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

benzoin oxime
441-38-3

benzoin oxime

WO2(C6H5CHOC(NOH)C6H5)2*H2O

WO2(C6H5CHOC(NOH)C6H5)2*H2O

Conditions
ConditionsYield
With H2SO4 In ethanol; water 0.1 equiv. of Na2WO4*H2O was added to EtOH soln. of oxime-compd. at roomtemp., pH was adjusted to 2.5 with. concd. H2SO4; ppt. was filtered off, washed with EtOH:H2O=1:1 mixt. (v/v), elem. anal.;90%
sodium tungstate (VI) dihydrate
10213-10-2

sodium tungstate (VI) dihydrate

phosphoric acid
86119-84-8, 7664-38-2

phosphoric acid

Na20[P6W18O79]*37H2O

Na20[P6W18O79]*37H2O

Conditions
ConditionsYield
With acetic acid In water at 100℃;90%

10213-10-2Related news

Infrared absorption and differential scanning calorimetry studies of Sodium tungstate dihydrate (cas 10213-10-2) glasses containing iron oxide07/25/2019

A series of glass specimen [Na2WO4.2H2O]1−x[Fe2O3]x with x = 0, 0.10, 0.15, 0.20 and 0.25 were prepared. The infrared absorption spectra of these sodium tungstate dihydrate glass specimens containing iron oxide have been studied as a function of iron oxide. It was found that the addition of Fe2O...detailed

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