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Detail of "7783-03-1"

  • MSDS Download
  • CAS Number:
  • 7783-03-1
  • Name:

  • Tungstate(WO42-), hydrogen (1:2), (T-4)-

  • Superlist Name:
  • Tungstic acid
  • Molecular Structure:
  • Formula:
  • H2WO4
  • Molecular Weight:
  • 249.86
  • Deleted CAS:
  • 12196-81-5,198830-56-7,36730-36-6,38413-99-9,405262-46-6,449187-63-7,79702-55-9,82351-38-0,876012-66-7
  • Synonyms:
  • Tungstate(WO42-), dihydrogen, (T-4)- (9CI);Tungstic acid (H2WO4) (8CI);Dihydrogentetraoxotungstate(2-);Tungsten acid (H2WO4);Tungsten hydroxide oxide(W(OH)2O2);Tungstic(VI) acid;dihydrogen tungstate (H2WO4);
  • EINECS:
  • 231-975-2
  • Density:
  • 5.5 g/mL at 25 °C(lit.)
  • Melting Point:
  • 100 °C (dec.)
  • Solubility:
  • insoluble in water
  • Appearance:
  • light yellow powder
  • Risk Codes:
  • 36/37/38
  • Safety:
  • 24/25 Details
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CAS No.7783-03-1 Tungstic acidCompetitive Product

  Appearance:yellow powde...  Application:This product...

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CAS No.7783-03-1 Tungstic acidCompetitive Product

Tungstic acid CAS No.: 7783-03-1

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CAS No.7783-03-1 Tungstic acid

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CAS No.7783-03-1 Tungstic acid

Tungstic acid Molecular Weight 249.86 CAS Registry Number 7783-03-1 EINECS 231-975-2 Tungstic acid Identification Name Tungstic acid Synonyms Tungstic(VI) acid; Wolframic acid Molecular Formula H2WO4 Molecular Weight 249.86 CAS Registry Number 7783

Min. Order:20Metric Ton USD:1-400 /Metric Ton

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CAS No.7783-03-1 Tungstic acid

product Name Tungstic acid Synonyms Tungstic(VI) acid; Wolframic acid; dihydroxy(dioxo)tungsten Molecular Formula H2O4W Molecular Weight 249.8535 InChI InChI=1/2H2O.2O.W/h2*1H2;;;/q;;;;+2/p-2/rH2O4W/c1-5(2,3)4/h1-2H CAS Registry Number 7783-03-1 EINECS 231-975-2

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CAS No.7783-03-1 Tungstic acid

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CAS No.7783-03-1 Tungstic acid

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CAS No.7783-03-1 Tungstic acid

Assay:99.9%purity  Appearance:powder

P#7995 Tungstic acid (H2WO4) 3N, powder.

Supplier:Beijing Cerametek Materials Co. Ltd. [ China (Mainland)]

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CAS No.7783-03-1 Tungstic acid

Tungstic Acid

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CAS No.7783-03-1 Tungstic acid

Tungstic acid

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CAS No.7783-03-1 Tungstic acid

Uses : Catalysts, Tungsten metal

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CAS No.7783-03-1 Tungstic acid

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CAS No.7783-03-1 Tungstic acid

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CAS No.7783-03-1 Tungstic acid

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CAS No.7783-03-1 Tungstic acid

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CAS No.7783-03-1 Tungstic acid

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CAS No.7783-03-1 Tungstic acid

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CAS No.7783-03-1 Tungstic acid

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Reference

Epoxidation of olefins
Epoxidation of olefins. Shryne, Thomas M.; Kim, Leo (Shell Oil Co., USA). U.S. US 4024165 17 May 1977, 5 pp. (English). (United States of America). CODEN: USXXAM. CLASS: IC: C07D301-12. NCL: 260348500L. APPLICATION: US 76-700994 29 Jun 1976. DOCUMENT TYPE: Patent CA Section: 35 (Synthetic High Polymers) Section cross-reference(s): 27 Alkenes were epoxidized by contacting with H2O2 [7722-84-1] in a fluorinated alc. solvent in the presence of a sol. transition metal compd. and a sol. N-contg. org. compd. Thus, propylene [115-07-1] was treated with 8 mL 50% aq. H2O2 in the presence of 250 mg H2WO4 [7783-03-1] and 1.0 mL Et3N [121-44-8] in 25 mL hexafluoroisopropanol [920-66-1] for 6 h at 60.degree. to give 69% propylene oxide [75-56-9].
Electrochemical properties of tungsten(VI) oxide hydrate (WO3
Electrochemical properties of tungsten(VI) oxide hydrate (WO3.x(H2O)). II. The influence of crystallization as hydration. Yoshiike, Nobuyuki; Kondo, Shigeo (Cent. Res. Lab. 1314-35-8 and 7783-03-1 are also occured in this study., Matsushita Electr. Ind. Co., Ltd., Moriguchi 570, Japan). J. Electrochem. Soc., 131(4), 809-12 (English) 1984. CODEN: JESOAN. ISSN: 0013-4651. DOCUMENT TYPE: Journal CA Section: 72 (Electrochemistry) Section cross-reference(s): 74 Electrochem. properties of WO3 films prepd. by vacuum evapn. and stored in high humidity atm. were studied in org. electrolytes. Structures of the film were analyzed by electron diffraction and x-rays. The evapd. amorphous WO3 film was crystd. to form WO3.H2O crystal and furthermore H2WO4.H2O from surface layer to bulk layer in high humidity air. Hydrated WO3.x(H2O) crystal layer may act as a high resistant layer on the electrochem redn., so that the hydrated layer, remarkably, loses the electrochromic activity. .
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