| Formula / Notation | Na2O4W |
|---|---|
| CAS Number | 13472-45-2 |
| Molecular Weight | 293.82 |
| Melting Point | 698 °C |
| Density | 4.179 |
| Solubility | Colorless crystals or white crystalline powder; loses its water @ 100 °C; aq soln is slightly alkaline, pH 8-9; effloresces in dry air; sol in about 1.1 parts water; insol in alc /Dihydrate/ |
| Appearance | Water or Solvent Wet Solid; Dry Powder, Liquid |
| Also Known As | disodium;dioxido(dioxo)tungsten; 13472-45-2; Disodium tungstate; Sodium wolframate; Sodium tungstate(VI); Sodium tungsten oxide (Na2WO4); Sodium tungstate (Na2WO4); Tungstic acid, disodium salt; Disodium tungstate (Na2WO4); CCRIS 5814 |
| Category | Salts |
What is Sodium tungstate?
Sodium tungstate is an inorganic sodium salt having tungstate as the counterion. Combines with hydrogen peroxide for the oxidation of secondary amines to nitrones. It has a role as a NMR chemical shift reference compound and a reagent. It contains a tungstate.
Formula & Notation
IUPAC Name: disodium;dioxido(dioxo)tungsten
Other Names / Synonyms: disodium;dioxido(dioxo)tungsten; 13472-45-2; Disodium tungstate; Sodium wolframate; Sodium tungstate(VI); Sodium tungsten oxide (Na2WO4); Sodium tungstate (Na2WO4); Tungstic acid, disodium salt; Disodium tungstate (Na2WO4); CCRIS 5814
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 698 °C |
| Density | 4.179 |
| Molecular Weight | 293.82 |
| Solubility | Colorless crystals or white crystalline powder; loses its water @ 100 °C; aq soln is slightly alkaline, pH 8-9; effloresces in dry air; sol in about 1.1 parts water; insol in alc /Dihydrate/ |
| Appearance | Water or Solvent Wet Solid; Dry Powder, Liquid |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Sodium tungstate is an inorganic sodium salt having tungstate as the counterion. Combines with hydrogen peroxide for the oxidation of secondary amines to nitrones. It has a role as a NMR chemical shift reference compound and a reagent. It contains a tungstate.
Used in food preservation, water treatment, chemical synthesis, fertilizers, and pharmaceutical applications.
Irritant or toxic depending on specific salt. Some salts are oxidising agents or toxic to aquatic environments. Consult SDS before use.
The formula or notation for Sodium tungstate is: Na2O4W