Audited Supplier
a gm 13472-45-2
13472-45-2
Na2o4w
680-637-4
Solid Catalyst
293.81714
Support
Yes
99%
Future Chemical
Bag
25kg
China
Product Description
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 |
