Customization: | Available |
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CAS No.: | 13472-45-2 |
Formula: | Na2o4w |
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Hot selling Sodium tungstate with 99% purity CAS 13472-45-2
TUNGSTEN Basic information | |
Product Name: | TUNGSTEN |
CAS: | 13472-45-2 |
MF: | Na2O4W |
MW: | 293.81714 |
EINECS: | 680-637-4 |
Mol File: | 13472-45-2.mol |
TUNGSTEN Chemical Properties | |
Melting point | 3410 °C(lit.) |
Boiling point | 5660 °C(lit.) |
density | 2.3 g/mL at 25 °C(lit.) |
solubility | H2O: soluble |
form | wire |
Water Solubility | g/100g H2O: 71.5 (0°C), 73.0 (20°C), 97.2 (100°C) [LAN05] |
Merck | 138,772 |
CAS DataBase Reference | 13472-45-2(CAS DataBase Reference) |
EPA Substance Registry System | Sodium tungsten oxide (Na2WO4) (13472-45-2) |
Structural Formula: | |||
Item | Index % | Best Quality | Technical grade |
A.R | (export grade) | ||
WO3 | ≥69.0 | ≥69.0 | ≥68.0 |
Mo | ≤0.002 | ≤0.02 | ≤0.04 |
As | ≤0.001 | ≤0.002 | |
Cu | ≤0.0002 | ||
Fe | ≤0.001 | ≤0.002 | |
SO4 | ≤0.02 | 0.01 | |
Si | ≤0.004 | ≤0.04 | |
Insol. in water | ≤0.005 | ≤0.01 | |
PH | 44417 | 44417 | |
Heavy metal (Pb) | ≤0.001 | ≤0.002 | |
Cl | ≤0.03 |