106672.1000
SODIUM TUNGSTATE dihydrate extra pure
| Ürün bilgisi |
| Hill Formula |
Na2O4W * 2 H2O |
| Chemical formula |
Na2WO4 * 2 H2O |
| HS Code |
2841 80 00 |
| EC number |
236-743-4 |
| Molar mass |
329.86 g/mol |
| CAS number |
10213-10-2 |
| Kimyasal ve fiziksel veri |
| Solubility |
730 g/l (20 °C) |
| Melting point |
100 °C Elimination of water of crystallisation |
| Molar mass |
329.86 g/mol |
| Density |
3.23 g/cm3 (20 °C) |
| Bulk density |
1600 kg/m3 |
| pH value |
9 - 11.5 (100 g/l, H2O, 20 °C) |
| GHS'e göre güvenlik bilgisi |
| Hazard Statement(s) |
H302: Harmful if swallowed. |
| Signal Word |
Warning |
| Hazard Pictogram(s) |
|
| RTECS |
YO7900000 |
| Storage class |
10 - 13 Other liquids and solids |
| WGK |
WGK 1 slightly water endangering |
| Disposal |
14
Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535). |
| Güvenlik bilgisi |
| R Phrase |
R 22
Harmful if swallowed. |
| Categories of danger |
harmful |
| Hazard Symbol |
Harmful |
| Toksikolojik veri |
| LD 50 oral |
LD50 rat 1190 mg/kg |
| Spesifikasyonlar |
| Assay (thermogravimetric) |
≥ 98 % |
| Identity (x-ray diffraction) |
passes test |
| Free alkali (as NaOH) |
≤ 0.1 % |
| Chloride (Cl) |
≤ 0.01 % |
| Sulphate (SO4) |
≤ 0.02 % |
| Total nitrogen (N) |
≤ 0.005 % |
| Fe (Iron) |
≤ 0.002 % |