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inquirySodium Molybdate Product Name: Sodium Molybdate Molecular Weight: 205.92 CAS NO: 7631-95-0 EC NO: 231-551-7 Molecular Formula: Na2MoO4
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inquiryName: Disodium molybdate Synonyms: Sodium Molybdate CAS:7631-95-0 MF: MoNa2O4 Appearance: white powder Storage:Store in cool and dry place, away from sun light. Package: 25kgs/drum Application:pigment, dyestuff Transportation:By sea or by air
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inquiryAppearance:White crystals or powder Storage:R.T Package:25kg/Bag Application:Reagents used in the manufacture of alkaloids and other substances, also used in dyes, molybdenum red pigments, catalysts, molybdenum salts and light-resistant lake precipi
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inquirySuperiority Product Detail Sodium molybdate Na2MoO4●2H2O Product quality reference standard: Indicator Name Indicator% Na2MoO4●2H2O 98% MOlybdenum (Mo) content 39% Water insoluble matter 0. 0
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inquirysodium molybdate dihydrate
Conditions | Yield |
---|---|
In neat (no solvent) decompn. of Na2MoO4*10H2O at ambient temp.;; | |
In neat (no solvent) decompn. of Na2MoO4*10H2O at room temp. during a few days;; | |
In neat (no solvent) decompn. of Na2MoO4*10H2O at room temp. during a few days;; | |
In neat (no solvent) decompn. of Na2MoO4*10H2O at ambient temp.;; |
Conditions | Yield |
---|---|
In water solving of Na2MoO4 in H2O;; concn. of the soln.; crystn.; filtration; washing with small amt. of H2O; drying between paper and then over CaO and H2SO4 for 24 hours;; | |
In water solving of Na2MoO4 in H2O;; concn. of the soln.; crystn.; filtration; washing with small amt. of H2O; drying between paper and then over CaO and H2SO4 for 24 hours;; |
Conditions | Yield |
---|---|
In water neutralization of an aq. soln. of MoO3 with Na2CO3;; evapn. at ambient temp.;; | |
In water neutralization of an aq. soln. of MoO3 with Na2CO3;; evapn. at ambient temp.;; |
Conditions | Yield |
---|---|
In sodium hydroxide byproducts: NH3; addn. of an excess of NaOH to a soln. of ammonium molybdate; boiling til formation of NH3 stops;; addn. of alc.; pptn.; washing with alc.; drying; recrystn. from H2O;; | |
In sodium hydroxide boiling of equival. amts of ammonium molybdate and NaOH;; recrystn.;; | |
In sodium hydroxide aq. NaOH; boiling of equival. amts of ammonium molybdate and NaOH;; recrystn.;; | |
In sodium hydroxide byproducts: NH3; aq. NaOH; addn. of an excess of NaOH to a soln. of ammonium molybdate; boiling til formation of NH3 stops;; addn. of alc.; pptn.; washing with alc.; drying; recrystn. from H2O;; |
sodium molybdate dihydrate
Conditions | Yield |
---|---|
With water In water above 10°C; | |
With H2O In water above 10°C; |
A
sodium molybdate dihydrate
B
terbium(III) phosphate
Conditions | Yield |
---|---|
In neat (no solvent) heated in alundum crucibles under inert gas flow at a rate of 20 K/min in the range 20-500°C and 10 K/min in the range of 500-900°C; identified by X-ray diffraction; |
A
sodium molybdate dihydrate
B
thulium(III) phosphate
Conditions | Yield |
---|---|
In neat (no solvent) heated in alundum crucibles under inert gas flow at a rate of 20 K/min in the range 20-500°C and 10 K/min in the range of 500-900°C; identified by X-ray diffraction; |
A
sodium molybdate dihydrate
B
holmium(III) orthophosphate
Conditions | Yield |
---|---|
In neat (no solvent) heated in alundum crucibles under inert gas flow at a rate of 20 K/min in the range 20-500°C and 10 K/min in the range of 500-900°C; identified by X-ray diffraction; |
A
sodium molybdate dihydrate
B
dysprosium(III) orthophosphate
Conditions | Yield |
---|---|
In neat (no solvent) heated in alundum crucibles under inert gas flow at a rate of 20 K/min in the range 20-500°C and 10 K/min in the range of 500-900°C; identified by X-ray diffraction; |
A
sodium molybdate dihydrate
B
erbium(III) orthophosphate
Conditions | Yield |
---|---|
In neat (no solvent) heated in alundum crucibles under inert gas flow at a rate of 20 K/min in the range 20-500°C and 10 K/min in the range of 500-900°C; identified by X-ray diffraction; |
A
lutetium(III) orthophosphate
B
sodium molybdate dihydrate
Conditions | Yield |
---|---|
In neat (no solvent) heated in alundum crucibles under inert gas flow at a rate of 20 K/min in the range 20-500°C and 10 K/min in the range of 500-900°C; |
sodium molybdate dihydrate
Conditions | Yield |
---|---|
In neat (no solvent, solid phase) byproducts: NaRbMoO4*2H2O, H2O; storage for 1-2h at room temp.; not isolated; X-ray diffraction; |
Conditions | Yield |
---|---|
With lithium chloride; hydrochloric acid; potassium bromide In water to a soln. of sodium molybdate was added LiCl, water and dropwise hydrochloric acid until pH 4.5 to 5, K9(A,α-PW9O34)*16H2O was added slowly and pH kept between 4.5 and 5 (HCl), KBr was added; ppt. was filtered off, dried; | 99% |
sodium molybdate dihydrate
2,3,5,6-tetrakis(2-pyridyl)pyrazine
water
copper(II) bis(trifluoromethanesulfonate)
Conditions | Yield |
---|---|
In water; acetone Cu salt and ligand dissolved in H2O-acetone under stirring and heating at 75°C; diluted aq. Na2MoO4*2H2O carefully added; filtered; filtrate evapd. slowly in air at room temp. for 1 mo; crystalscollected; washed with very small amt. of cold H2O and acetone; second crop obtained by evapn. of the soln.; elem. anal.; | 99% |
Conditions | Yield |
---|---|
In water molar ratio Mo:Te=3:1, acid digestion bomb, 225°C, 4 d; then cooling to room temp. over 36 h; | 98% |
In neat (no solvent, solid phase) stoich. amts., heating in air (450°C, 6 h; then 625°C, 2 d; intermittent grinding); |
sodium molybdate dihydrate
2-formylpyridine-N(4)-methylthiosemicarbazone
Conditions | Yield |
---|---|
With HCl In water aq. soln. of Na2MoO4*2H2O acidified with 2 drops of HCl, treated with solid ligand (0.5 equiv.) under vigorous stirring, reacted for 2 h; filtered, washed (H2O, EtOH, acetone), dried (vac.), elem. anal.; | 98% |
Conditions | Yield |
---|---|
With hydrogenchloride; 1-butyl-3-methylimidazolium chloride In water at 180℃; for 24h; pH=< 1; High pressure; Inert atmosphere; | 98% |
In water at 210℃; for 24h; Autoclave; | |
With Rochelle's salt In water at 200℃; for 24h; Temperature; Autoclave; |
hydrogenchloride
sodium molybdate dihydrate
N,N-dimethyl-formamide
bis(N,N-dimethylformamide)dichloridodioxidomolybdenum(VI)
Conditions | Yield |
---|---|
Stage #1: hydrogenchloride; sodium molybdate dihydrate In water at 20℃; Green chemistry; Stage #2: N,N-dimethyl-formamide In diethyl ether for 0.0833333h; Green chemistry; | 97.5% |
Conditions | Yield |
---|---|
With HClO4 In water solid ligand added to aq. soln. of Cu(ClO4)*6H2O (L:Cu=1:1), reacted for30 min, filtered, soln. added to aq. soln. of Na2MoO4*2H2O (4 equiv.), pH adjusted to 3 (HClO4), reacted for 2 h; filtered, washed (acidified H2O), dried (vac.), crystd. for 20 d, elem. anal.; | 97% |
1,4-diaza-bicyclo[2.2.2]octane
hydrogenchloride
sodium molybdate dihydrate
Conditions | Yield |
---|---|
In water aq. soln. Na2MoO4*2H2O at 0°C was adjusted to pH 6 with 5 M HCl, FeCl3*6H2O was added, pH was adjusted to 4, stirred for 2 h at low temp., soln. aq. DABCO (pH 4, HCl) was added, stirred at room temp. for 1 h; ppt. was filtered, washed with water and EtOH and dried in air; elem. anal.; | 97% |
In water High Pressure; aq. soln. Na2MoO4*2H2O, FeCl3*6H2O and DABCO (pH 4, HCl) was heated in Teflon-lined autoclave at 130°C for 2 days; soln. was filtered and left at room temp. for a few days; |
Conditions | Yield |
---|---|
Stage #1: hydrogenchloride; sodium molybdate dihydrate In water at 20℃; Green chemistry; Stage #2: dimethyl sulfoxide In diethyl ether for 0.0833333h; Green chemistry; | 97% |
sodium molybdate dihydrate
N-phenylhexanohydroxamic acid
Conditions | Yield |
---|---|
With HCl In ethanol; water addn. of 2 equiv. ligand (in EtOH) to aq. molybdate (stirring), pptn. onpH-adjustment to 3 (HCl); recrystn. (hot EtOH); | 96% |
Conditions | Yield |
---|---|
With hydrogenchloride In water; acetone for 5h; | 96% |
With hydrogenchloride In water at 75 - 80℃; for 0.75h; | 78% |
Conditions | Yield |
---|---|
With hydrogenchloride; succinic acid at 20℃; for 168h; pH=4; Temperature; Concentration; | 95.3% |
sodium molybdate dihydrate
Conditions | Yield |
---|---|
In water | 95% |
In ethanol; water react. of alc. Na2MoO4*2H2O-soln. with very concd. aq. (Ni(NH2C2H4NH2)3)(NO3)2-soln.;; pptn., washing with 96% alc. and with ether;; | |
In ethanol; water react. of alc. Na2MoO4*2H2O-soln. with very concd. aq. (Ni(NH2C2H4NH2)3)(NO3)2-soln.;; pptn., washing with 96% alc. and with ether;; |
sodium molybdate dihydrate
O,O-di(2-tolyl)dithiophosphoric acid ammonium salt
Conditions | Yield |
---|---|
In water aq. soln. of 2 equiv. organic ligand added dropwise to aq. Mo-compound with constant stirring; filtered; washed with ether; dried over P2O5; recrystallized from benzene:Et2O 1:2 mixt.; elem. anal.; | 95% |
1,4-diaza-bicyclo[2.2.2]octane
hydrogenchloride
sodium molybdate dihydrate
N,N-dimethylammonium chloride
Conditions | Yield |
---|---|
In water diazabicyclooctane and hydrochloride were added to aq. soln. of Mo compd.; aq. HCl was added to pH 4; stirred at room temp. for 3 h; filtered; washed (H2O, EtOH, Et2O); elem. anal.; | 95% |
1,4-diaza-bicyclo[2.2.2]octane
sodium molybdate dihydrate
water
N,N-dimethylammonium chloride
Conditions | Yield |
---|---|
Stage #1: 1,4-diaza-bicyclo[2.2.2]octane; sodium molybdate dihydrate; water; N,N-dimethylammonium chloride Stage #2: With hydrogenchloride In water pH=4; | 95% |
Conditions | Yield |
---|---|
With hydrogenchloride In water at 120℃; for 6h; pH=1; Autoclave; High pressure; | 95% |
sodium molybdate dihydrate
N,N-bis(3,5-di-t-butyl-2-hydroxybenzyl)-N',N'-dimethylethylenediamine
Conditions | Yield |
---|---|
With acetic acid In methanol for 2h; Reflux; | 95% |
sodium molybdate dihydrate
Conditions | Yield |
---|---|
94% |
Conditions | Yield |
---|---|
With NaBH4; H2O2; acetic acid In water; acetic acid byproducts: H2; aq. acetic acid; Na2MoO4*2H2O (0.149 mol), KCN (1.31 mol), NaBH4 (0.264 mol) dissolved inH2O; 40% acetic acid (120 ml) added dropwise (2 h, vigorous stirring); small excess of 30% H2O2 added slowly; pptd. with EtOH; recrystd. from H2O by pptn. with EtOH; | 94% |
sodium molybdate dihydrate
xanthopterin hydrate
2Na(1+)*4(CH3)2SO*[Mo2O5(O2N5C6H3)2](2-) = [Na((CH3)2SO)2]2[Mo2O5(O2N5C6H3)2]
Conditions | Yield |
---|---|
With dimethylsulfoxide In dimethyl sulfoxide added DMSO; heated to 80°C; stirred for 50 min at 85-90°Cor at 80°C for <1 h; cooled; DMSO removed in vacuo; redissolved in DMF; pptd. with Et2O; filtered; elem. anal.; | 94% |
sodium molybdate dihydrate
Conditions | Yield |
---|---|
In water portionwise addn. of small excess Co-complex to molybdate; cooling in ice bath (30 min), collection (filtration), washing (95% EtOH, ether); elem. anal.; | 93.26% |
sodium molybdate dihydrate
Conditions | Yield |
---|---|
In water aq. soln. (pH 7.3) of Na2MoO4*2H2O added dropwise to suspn. of {C5Me5RhCl2}2 in water (pH 3.8); stirred for 3 h at 25°C;; recrystn. from CH2Cl2:C6H5Me (1:1); elem. anal.;; | 93% |
Conditions | Yield |
---|---|
With hydrochloric acid In 1,4-dioxane; water byproducts: potassium tetrafluoroborate; to a soln. of LiBF4 in water was added KNa(α-PW11O39)*14H2O, to this suspn. was added a soln. of Na2MoO4*2H2O in water-dioxane and hydrochloric acid, filtered, a soln. of N(C4H9)4Br in H2O-dioxane-HCl was added; ppt. was filtered off, washed with ethanol and diethyl ether; | 93% |
sodium molybdate dihydrate
Conditions | Yield |
---|---|
With HCl In water aq. soln. of Na2MoO4*2H2O acidified with 2 drops of HCl, treated with solid ligand (0.5 equiv.) under vigorous stirring, reacted for 2 h; filtered, washed (H2O, EtOH, acetone), dried (vac.), elem. anal.; | 93% |
Conditions | Yield |
---|---|
With HNO3 In methanol; water byproducts: H2O; (C5(CH3)5)Mo2O5 in methanol was mixed with an aq. soln. of Na2MoO4*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% |
Conditions | Yield |
---|---|
With hydrazine hydrate In neat (no solvent) byproducts: NaCl; (under Ar); hydrazine hydrate added dropwise to HCl, stirred, added to Na2MoO4*2H2O, heated to 80°C for 3 h, cooled to room temp., placedin freezer overnight, filtered, pyridine added dropwise at room temp., cooled to 0°C; ppt. dried under vac.; elem. anal.; | 92.7% |
Conditions | Yield |
---|---|
With hydrogenchloride; dihydrogen peroxide In water treatment of Na2MoO4 soln. with 30% H2O2, pH adjustment to 4.2 (diltd. HCl), dropwise addn. of (C6H13)4NCl (pptn.); filtration, washing (H2O, Et2O), drying in air; elem. anal.; | 92% |
Conditions | Yield |
---|---|
With HNO3 In methanol; water byproducts: H2O; (C5(CH3)5)Mo2O5 in methanol was mixed with an aq. soln. of Na2MoO4*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.; | 92% |
Conditions | Yield |
---|---|
With HNO3 In methanol; water byproducts: H2O; (C5(CH3)5)Mo2O5 in methanol was mixed with an aq. soln. of Na2MoO4*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.; | 92% |
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