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 % |