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| CAS No.: | 13472-45-2 |
|---|---|
| Name: | Sodium tungstate(VI) |
| Molecular Structure: | |
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|
|
| Formula: | Na2O4W |
| Molecular Weight: | 293.83 |
| Synonyms: | Tungstate(WO42-), disodium, (T-4)- (9CI);Tungstic acid (H2WO4), disodium salt (8CI);Disodium tetraoxatungstate(2-);Disodium tetraoxotungstate(2-);Disodiumtungstate;Disodium tungstate (Na2WO4);Sodium tungstate(Na2(WO4));Sodium tungstate(VI) (Na2WO4);Sodium tungsten oxide (Na2WO4); |
| EINECS: | 236-743-4 |
| Density: | 3.25 |
| Melting Point: | 698oC |
| Boiling Point: | 5660 °C(lit.) |
| Appearance: | White flaky crystal or crystalline powder |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | R36/38 |
| PSA: | 0.00000 |
| LogP: | 0.00000 |
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Specification
The Sodium tungstate, with the CAS registry number 13472-45-2, is also known as Disodium tetraoxotungstate (2-). This chemical's molecular formula is Na2O4W and molecular weight is 293.81714. Its systematic name is called disodium dioxido(dioxo)tungsten. This chemical's classification codes are Mutation data; Reproductive Effect.
Physical properties of Sodium tungstate: (1)H-Bond Donor: 0; (2)H-Bond Acceptor: 4; (3)Rotatable Bond Count: 0; (4)Exact Mass: 293.91013; (5)MonoIsotopic Mass: 293.91013; (6)Topological Polar Surface Area: 80.3; (7)Heavy Atom Count: 7; (8)Formal Charge: 0; (9)Complexity: 62.2; (10)Covalently-Bonded Unit Count: 3.
Preparation: this chemical can be prepared by tungsten trioxide and sodium carbonate.
Sodium tungstate, a tungstate of sodium, is useful as a source of tungsten. It is prepared from tungsten ores used to manufacture tungsten by reducing it. It is also thought to be a possible inhibitor of protein-tyrosine phosphatase. It is also sometimes used as a fireproofing agent. In organic chemistry, sodium tungstate is used as catalyst for epoxidation of alkenes and oxidation of alcohols into aldehydes or ketones.
You can still convert the following datas into molecular structure:
(1)Canonical SMILES: [O-][W](=O)(=O)[O-].[Na+].[Na+]
(2)InChI: InChI=1S/2Na.4O.W/q2*+1;;;2*-1
(3)InChIKey: XMVONEAAOPAGAO-UHFFFAOYSA-N
The toxicity data is as follows:
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| cat | LD50 | intravenous | 139mg/kg (139mg/kg) | VASCULAR: BP LOWERING NOT CHARACTERIZED IN AUTONOMIC SECTION LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION | Agressologie. Revue Internationale de Physio-Biologie et de Pharmacologie Appliquees aux Effets de l'Agression. Vol. 8, Pg. 51, 1967. |
| dog | LDLo | subcutaneous | 140mg/kg (140mg/kg) | Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975. | |
| guinea pig | LD50 | oral | 1152mg/kg (1152mg/kg) | BEHAVIORAL: EXCITEMENT BEHAVIORAL: MUSCLE WEAKNESS | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 31(8), Pg. 10, 1966. |
| guinea pig | LDLo | subcutaneous | 810mg/kg (810mg/kg) | Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975. | |
| mouse | LD50 | oral | 240mg/kg (240mg/kg) | AUTONOMIC NERVOUS SYSTEM: OTHER (DIRECT) PARASYMPATHOMIMETIC BEHAVIORAL: EXCITEMENT BEHAVIORAL: MUSCLE WEAKNESS | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 31(8), Pg. 10, 1966. |
| rabbit | LD50 | intramuscular | 105mg/kg (105mg/kg) | BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: FOOD INTAKE (ANIMAL) GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" | Journal of Industrial Hygiene and Toxicology. Vol. 31, Pg. 301, 1949. |
| rabbit | LD50 | oral | 875mg/kg (875mg/kg) | BEHAVIORAL: EXCITEMENT BEHAVIORAL: MUSCLE WEAKNESS | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 31(8), Pg. 10, 1966. |
| rabbit | LDLo | subcutaneous | 78mg/kg (78mg/kg) | Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975. | |
| rat | LD50 | oral | 1190mg/kg (1190mg/kg) | BEHAVIORAL: EXCITEMENT BEHAVIORAL: MUSCLE WEAKNESS | Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 31(8), Pg. 10, 1966. |
| rat | LD50 | subcutaneous | 240mg/kg (240mg/kg) | Environmental Quality and Safety, Supplement. Vol. 1, Pg. 1, 1975. |