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Sodium tungstate CAS 13472-45-2

AMMONIUM TUNGSTATE (PARA);AMMONIUM WOLFRAMATE;SODIUM O-TUNGSTATE;SODIUM PARA-TUNGSTATE;W HC 40;TUNGSTEN AA SINGLE ELEMENT STANDARD;TUNGSTEN, AAS STANDARD SOLUTION;TUNGSTEN AA STANDARD
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  • 13472-45-2

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  • 13472-45-2

Sodium tungstate Basic information
Product Name: Sodium tungstate
Synonyms: AMMONIUM TUNGSTATE (PARA);AMMONIUM WOLFRAMATE;SODIUM O-TUNGSTATE;SODIUM PARA-TUNGSTATE;W HC 40;TUNGSTEN AA SINGLE ELEMENT STANDARD;TUNGSTEN, AAS STANDARD SOLUTION;TUNGSTEN AA STANDARD
CAS: 13472-45-2
MF: Na2WO4
MW: 293.82
EINECS: 236-743-4
Mol File: 13472-45-2.mol
Sodium tungstate Chemical Properties
Melting point 3410 °C(lit.)
Boiling point 5660 °C(lit.)
density 2.3 g/mL at 25 °C(lit.)
vapor pressure 0Pa at 25℃
solubility H2O: soluble
form wire
pka 3.5[at 20 ℃]
Water Solubility g/100g H2O: 71.5 (0°C), 73.0 (20°C), 97.2 (100°C) [LAN05]
Merck 138,772
LogP 0
CAS DataBase Reference 13472-45-2(CAS DataBase Reference)
EPA Substance Registry System Sodium tungsten oxide (Na2WO4) (13472-45-2)
Sodium tungstate Basic information
Product Name: Sodium tungstate
Synonyms: AMMONIUM TUNGSTATE (PARA);AMMONIUM WOLFRAMATE;SODIUM O-TUNGSTATE;SODIUM PARA-TUNGSTATE;W HC 40;TUNGSTEN AA SINGLE ELEMENT STANDARD;TUNGSTEN, AAS STANDARD SOLUTION;TUNGSTEN AA STANDARD
CAS: 13472-45-2
MF: Na2WO4
MW: 293.82
EINECS: 236-743-4
Mol File: 13472-45-2.mol
Sodium tungstate Chemical Properties
Melting point 3410 °C(lit.)
Boiling point 5660 °C(lit.)
density 2.3 g/mL at 25 °C(lit.)
vapor pressure 0Pa at 25℃
solubility H2O: soluble
form wire
pka 3.5[at 20 ℃]
Water Solubility g/100g H2O: 71.5 (0°C), 73.0 (20°C), 97.2 (100°C) [LAN05]
Merck 138,772
LogP 0
CAS DataBase Reference 13472-45-2(CAS DataBase Reference)
EPA Substance Registry System Sodium tungsten oxide (Na2WO4) (13472-45-2)
ITEM BF-1 BF-2
Na2WO4. 2H2O 99.0 98.0
Mo 0.001 0.02
As 0.001 0.01
Cu 0.0001 0.0005
Al 0.001 0.0025
Fe 0.001 0.002
Si 0.004 0.04
Water Insoluble 0.005 0.05
PH 7.5~9.5 --
Water 11~15 --

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Sodium tungstate Na2WO4 13472-45-2

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