Grundinformationen
- Standard-SMILES
O.O.[Na+].[Na+].[O]=[W](=[O])([O-])[O-]- InChIKey
WPZFLQRLSGVIAA-UHFFFAOYSA-N- Summenformel
- 2Na.W.O4.2 H2O
- Durchschnittliche Molmasse
- 329,85 g/mol
- Monoisotopische Masse
- 329,93125761
Überblick
Sodium tungstate dihydrate is a hydrate that is the dihydrate form of sodium tungstate. Combines with hydrogen peroxide for the oxidation of secondary amines to nitrones. It has a role as a reagent. It contains a sodium tungstate.
Namen und Bezeichner
- Bevorzugter Name
- Sodium Tungstate Dihydrate
- IUPAC
- disodium;dioxido(dioxo)tungsten;dihydrate
- Englischer Name
- Sodium tungstate dihydrate
- Summenformel
- H2NaO5W-
- Molmasse
- 288.84
Namen und Synonyme
Sodium tungstate dihydrate10213-10-2Sodium tungstate, dihydrateTungstic acid, sodium salt, dihydratesodium tungstate(VI) dihydrateNa2WO4.2H2Osodium orthotungstate dihydrateX1F4NY6U13DTXSID0032079CHEBI:63939RefChem:184146DTXCID8012079
Weitere Namen anzeigen
FOLINSODIUM TUNGSTEN OXIDESODIUM TUNGSTATE 2H2OSodium tungstate dihydrateSODIUM WOLFRAMATESodiumTungstateGrSodium tungstate dihSODIUM TUNGSTATE, ACSSODIUM WOLFRAMATE 2H2O
600-275-2Tungstic acid sodium salt dihydrateMFCD00149190disodium;dioxido(dioxo)tungsten;dihydrateSodium tungsten oxide dihydrateTungstate (WO42-), disodium, dihydrate, (T-4)- (9CI)UNII-X1F4NY6U13Tungstic acid (H2WO4), disodium salt, dihydrate
Datenbank-Bezeichner
- CAS
10213-10-2- PubChem CID
- 150191
- DTXSID
DTXSID0032079- ChEBI
CHEBI:63939- UNII
- X1F4NY6U13
- EC Number
- 600-275-2
Eigenschaften
Berechnete Struktureigenschaften
- Polarare Oberfläche (TPSA)
- 82,3 Ų
- H-Brücken-Donoren
- 2
- H-Brücken-Akzeptoren
- 6
- Frei drehbare Bindungen
- 0
- Schwere Atome
- 9
- Formalladung
- 0
- Komplexität
- 62,2
Experimentelle und physikochemische Eigenschaften
Chemical ClassesMetals -> Metals, Inorganic Compounds
Density3.25 @25 °C
Physical DescriptionColorless or white solid; Effloresces in dry air; [Merck Index] White odorless powder; Soluble in water; [Alfa Aesar MSDS]
Physikochemische Eigenschaften
- Schmelzpunkt
- 698 °C · 698 °C(lit.)
- Dichte
- 4.18 · 4.18
- storage temp.
- 15 °C · Store at +15°C to +25°C.
- Löslichkeit
- 2 O: · H2O: 1 M at 20 °C, clear, colorless
- Aggregatzustand
- Solid
- Farbe
- White to slightly yellow
- Wichte
- 3.25 · 3.25
- Geruch (Odor)
- Odorless
- PH
- 9.5 · 9.5-11.5 (25℃, 1M in H2O)
- Wasserlöslichkeit
- 730 g/L · 730 g/L (20 ºC)
- Merck
- 14 · 14,8698
- InChI
- 1S/2Na.2H2O.4O.W/h;;2*1H2;;;;;/q2*+1;;;;;2*-1;
- InChIKey
- WPZFLQRLSGVIAA-UHFFFAOYSA-N
- SMILES
- O.O.[Na+].[Na+].[O-][W]([O-])(=O)=O
- CAS Datenbank
- 10213 · 10213-10-2(CAS DataBase Reference)
- EPA chemische Informationen
- Tungstate (WO42-), disodium, dihydrate, (T-4)- (10213-10-2)
Sicherheit und Regulatorisches
GHS-Klassifizierung
GHS Classification
Warning
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
P264, P270, P301+P317, P330, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 214 reports by companies from 4 notifications to the ECHA C&L Inventory.
Gefahrenhinweise
Regulatory Information
Chemical: Tungstate (WO42-), disodium, dihydrate, (T-4)-
Sodium tungstate, dihydrate: Does not have an individual approval but may be used under an appropriate group standard
Hazards SummaryCauses somnolence and coma in intraperitoneal lethal-dose studies of mice and rats; [RTECS] A strong eye irritant; Harmful by ingestion; [Alfa Aesar MSDS] See Sodium tungstate.
Hazard Classes and CategoriesAcute Tox. 4 (100%)
Sicherheit und Schutzausrüstung
Threshold Limit Values (TLV)3.0 [mg/m3], as W, respirable particulate matter
Protective Action Criteria (PAC)
5.4 [mg/m3]
44 [mg/m3]
260 [mg/m3]
Toxikologische Informationen
Carcinogen Classification
Sodium tungstate dihydrate
TR-599: Toxicology and Carcinogenesis Studies of Sodium Tungstate Dihydrate (CASRN 10213-10-2) in Sprague Dawley (Hsd:Sprague Dawley SD) Rats and B6C3F1/N Mice (Drinking Water Studies) (2021 )
04/02/21
No Evidence
Equivocal Evidence
Equivocal Evidence
RAIS Toxicity Values
0.0008
PPRTV Current
0.008
PPRTV Current
EPA Provisional Peer-Reviewed Toxicity Values
Sodium Tungstate Dihydrate
8 x 10^-4 mg/kg-day
8 x 10^-3 mg/kg-day
PDF Document
Inadequate information to assess carcinogenic potential
2015
Hazard Quotient Level 0.1 or Cancer Risk Level 1E-06
6.30e+01
9.30e+02
1.60e+01
4.00e+03
8.00e-04
Volatile
Hazard Quotient Level 3 or Cancer Risk Level 1E-04
1.90e+02
2.80e+03
4.80e+01
4.00e+03
8.00e-04
Volatile
Sicherheitsdaten
- wgk
- 1
- tsca
- Yes
- hs_code
- 28418000
- RTECS-Nr.
- YO7900000
- risk_code
- 22-36/38-36
- Toxizität
- LD50 (mg tungstate/kg) in rabbits: 105 i.m.; in rats: 240 s.c. (Venugopal, Luckey)
- hazard_code
- Xn
- safety_code
- 36-37/39-26-39
- Speicherklasse
- 13 - Non Combustible Solids
- Hazard Classifications
- Acute Tox. 4 Oral
Chemie und Industrie
Verwendung und Herstellung
Uses
Used to fireproof and waterproof fabrics, to make tungsten compounds, as a protective colloid, as a precipitant for alkaloids and proteins, to catalyze oxidation reactions, and as a corrosion inhibitor for steel; [Merck Index]
Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
Anwendungen
VerwendenSodium tungstate dihydrate is currently being investigated as a potential therapy for obesity. Sodium tungstate dihydrate is also an inhibitor of acid phosphatases.
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Ergänzende Hinweise
DefinitionChEBI: A hydrate that is the dihydrate form of sodium tungstate. Combines with hydrogen peroxide for the oxidation of secondary amines to nitrones
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