Sodium phosphotungstate supplier

Name
SODIUM PHOSPHOTUNGSTATE
EINECS
CAS No. 51312-42-6
Density g/cm³
Solubility very soluble H2O, alcohol [HAW93]
Melting Point 350°C
Formula Na₄O₂•O₅P₂•O₃₆W₁₂•18H₂O
Boiling Point 158°Cat760mmHg
Molecular Weight 3372.46
Flash Point °C
Transport Information
Appearance Crystalline
Safety Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of PO_x and Na₂O. See also TUNGSTEN COMPOUNDS.
Risk Codes 36/37/38-22
Molecular Structure
Hazard Symbols An oxidizing agent.
Synonyms phosphotungsticacidsodiumcrystalline;SODIUMPHOSPHOTUNGSTATE
PSA 710.58000
LogP -3.89080

Sodium phosphotungstate Chemical Properties

Molecule structure of Sodium phosphotungstate (CAS NO.51312-42-6) :

IUPAC Name: trisodium; dioxotungsteniooxy-[(oxido(dioxo)tungstenio)oxy-dioxotungstenio]oxy-dioxotungsten; phosphoric acid; hydrate
Molecular Weight: 2967.038171 g/mol
Molecular Formula: H₅Na₃O₄₁PW₁₂
Melting Point: 350 °C
Storage Temp.: store at RT.
H-Bond Donor: 4
H-Bond Acceptor: 41
Rotatable Bond Count: 12
Exact Mass: 2966.185579
MonoIsotopic Mass: 2968.184886
Topological Polar Surface Area: 641
Heavy Atom Count: 57
Complexity: 611
Canonical SMILES: O.OP(=O)(O)O.[O-][W](=O)(=O)O[W](=O)(=O)O[W](=O)(=O)O[W](=O)=O.[O-][W](=
O)(=O)O[W](=O)(=O)O[W](=O)(=O)O[W](=O)=O.[O-][W](=O)(=O)O[W](=O)(=O)O[W](=O)(=O)O[W](=O)=O.[Na+].[Na+].[Na+]
InChIKey: VBTVBWPYDARGPT-UHFFFAOYSA-N
EINECS: 234-716-1

Sodium phosphotungstate Uses

Sodium phosphotungstate (CAS NO.51312-42-6) is used for determination of alkaloids, urea acid and potassium reagents.

Sodium phosphotungstate Toxicity Data With Reference

1.		orl-rat LD50:1600 mg/kg		HYSAAV Hygiene and Sanitation: English Translation of Gigiena Sanitariya. 31 (1966),197.
2.		orl-mus LD50:700 mg/kg		HYSAAV Hygiene and Sanitation: English Translation of Gigiena Sanitariya. 31 (1966),197.

Sodium phosphotungstate Consensus Reports

Reported in EPA TSCA Inventory.

Sodium phosphotungstate Safety Profile

Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of PO_x and Na₂O. See also TUNGSTEN COMPOUNDS.
Hazard Codes: Harmful Xn
Risk Statements: 36/37/38-22
R36/37/38:Irritating to eyes, respiratory system and skin.
R22:Harmful if swallowed.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
RIDADR: 1479
WGK Germany: 3
RTECS: TH5775000
HazardClass: 5.1
PackingGroup III

Sodium phosphotungstate Standards and Recommendations

ACGIH TLV: TWA 1 mg(W)/m³; STEL 3 mg(W)/m³
NIOSH REL: TWA 1 mg(W)/m³

Sodium phosphotungstate Specification

Sodium phosphotungstate (CAS NO.51312-42-6) is also called Sodium tungstophosphate ; Tungstophosphoric acid, sodium salt ; Phosphotungstic acid, sodium salt ; Sodium tungsten hydroxide oxide phosphate . Sodium phosphotungstate (CAS NO.51312-42-6) is crystalline.

Product Name

SODIUM PHOSPHOTUNGSTATE