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13472-45-2

Basic Information
CAS No.: 13472-45-2
Name: Sodium tungstate(VI)
Molecular Structure:
Molecular Structure of 13472-45-2 (Sodium tungstate(VI))
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.