Home > Name List By d > disodium

CAS No 13472-45-2 , disodium

  • Name: disodium
  • Synonyms: Disodium wolframate;dioxido(dioxo)tungsten; Tungstic acid; sodium; disodium salt; Tungstate; Disodium tungstate; Sodium tungstate(VI); Sodium wolframate;SODIUM TUNGSTATE;disodium;
  • CAS Registry Number:
  • Transport: UN 3089 4.1/PG 2
  • Flash Point: °C
  • Boiling Point: °Cat760mmHg
  • Density: 3.25
  • Water Solubility: 730 g/L (20 oC) in water
  • Safety Statements: Poison by ingestion, intravenous, intramuscular, and subcutaneous routes. Experimental reproductive effects. Mutation data reported. When heated to decomposition it emits toxic fumes of Na2O. See also TUNGSTEN COMPOUNDS.
  • Hazard Symbols: Xn: Harmful;
  • Flash Point: °C
  • EINECS: 236-743-4
  • Molecular Weight: 293.817139
  • InchiKey: XMVONEAAOPAGAO-UHFFFAOYSA-N
  • InChI: InChI=1S/2Na.4O.W/q2*+1;;;2*-1;
  • Risk Statements: 22-36/38
  • Molecular Formula: Na2O4W
  • Molecular Structure:CAS No:13472-45-2 disodium
Search by region :

Select to

13472-45-2 SODIUM TUNGSTATE, ANHYDROUS

  • Germany ABCR GmbH & Co KG [Manufacturer]
  • Tel: +49 721 95061-0
  • Fax: +49 721 95061-80
  • Address: Im Schlehert 10
    76187 Karlsruhe
    Germany ,Germany
Contact Supplier

13472-45-2 SODIUM TUNGSTATE ANHYDROUS

  • United States Aceto Corp. [Manufacturer]
  • Tel: 516-627-6000
  • Fax: 516-627-6093
  • Address: One Hollow Lane
    Lake Success, NY 11042-1215 ,United States
Contact Supplier

13472-45-2 Sodium tungstate

  • China Shanghai Experiment Reagent Co.,LTD. [Manufacturers]
  • Tel: 0086-21-56558317 56553837
  • Fax: +86-21-56553837
  • Address: 10-603, No.555 Luding Road (No.1000 North Zhongshan Road),Shanghai Shanghai,ShanghaiChina
Contact Supplier

13472-45-2 SODIUM TUNGSTATE, DRIED DIHYDROUS

  • United States EASTAR CHEMICAL [Manufacturer]
  • Tel: 800-898-2436
  • Fax: 877-898-2436
  • Address: Eastar Chemical Corp.
    Esquire Plaza
    1215 K Street, 16th & 17th Floors
    Sacramento, CA 95814 ,United States
Contact Supplier

13472-45-2 S-1113 SODIUM TUNGSTATE

Contact Supplier

13472-45-2 Sodium tungstate

  • United Kingdom Fisher Scientific UK [Importer/Exporter]
  • Tel: +44 1509 231166
  • Address: Bishop Meadow Road, Loughborough, Leicestershire, LE11 5RG Loughborough,LeicestershireUnited Kingdom
Contact Supplier

13472-45-2 Sodium tungstate

Contact Supplier

13472-45-2 Sodium tungstate

Contact Supplier

13472-45-2 Sodium tungstate

Contact Supplier

13472-45-2 Sodium tungstate

Contact Supplier

Select to

References of disodium
Title: Sodium Tungstate(VI)
CAS Registry Number: 13472-45-2
CAS Name: (T-4)-Disodium tungstate (WO42-)
Molecular Formula: Na2O4W
Molecular Weight: 293.82
Percent Composition: Na 15.65%, O 21.78%, W 62.57%
Line Formula: Na2WO4
Literature References: Crystals have a spinel structure isomorphous with sodium molybdate(VI), q.v. Mfr: N. T. Gordon, A. F. Spring, Ind. Eng. Chem. 16, 555 (1924). Properties of sodium tungstate derivatives: E. F. Smith, J. Am. Chem. Soc. 44, 2027 (1922). Crystal structure: I. Lindqvist, Acta Chem. Scand. 4, 1066 (1950). Polymerization study: M. L. Freedman, J. Am. Chem. Soc. 80, 2072 (1958). Thermochemistry study: R. L. Graham, L. G. Hepler, ibid. 3538. HPLC and CZE analysis: K. Hettiarachchi et al., J. Pharm. Biomed. Anal. 13, 515 (1995). Pharmacokinetics in rats: S. Le Lamer-Déchamps et al., Int. J. Pharm. 248, 131 (2002). Antidiabetic effects in rats: A. Barberà et al., Diabetologia 44, 507 (2001). Review of toxicity: B. Venugopal, T. D. Luckey, Environ. Qual. Safety, Suppl. 1, 4-73 (1975); of toxicology and human exposure: Toxicological Profile for Tungsten (PB2006-100007, 2005) 203 pp.
 
Derivative Type: Dihydrate
CAS Registry Number: 10213-10-2
Properties: Colorless crystals or white, cryst powder, mp 665°. Effloresces in dry air. Loses its water at 100°. Sol in about 1.1 parts water. Insol in alcohol. The aq soln is slightly alkaline, pH 8-9. LD50 (mg tungstate/kg) in rabbits: 105 i.m.; in rats: 240 s.c. (Venugopal, Luckey).
Melting point: mp 665°
Toxicity data: LD50 (mg tungstate/kg) in rabbits: 105 i.m.; in rats: 240 s.c. (Venugopal, Luckey)
 
Use: Fireproofing and waterproofing fabrics; preparing complex compds such as phosphotungstate and silicotungstate; as a protective colloid in biological development methods; precipitant for alkaloids; catalyst in oxidation reactions; corrosion inhibitor for steel.