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LC5271 Sodium tungstate dihydrate for analysis |
Order number | Packaging | Quantity | Price € |
AC32271 | Plastic bottle | 250 g | 56.25 |
AC32271 | Plastic bottle | 1 kg | 171.00 |
Product information | |
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 |
Chemical and physical data | |
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) |
Safety information according to GHS | |
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). |
Safety information | |
R Phrase | R 22 Harmful if swallowed. |
Categories of danger | harmful |
Hazard Symbol | ![]() |
Toxicological data | |
LD 50 oral | LD50 rat 1190 mg/kg |
Specifications | |
Assay (thermogravimetric) | ≥ 99 % |
Identity (x-ray diffraction) | passes test |
Free alkali (as NaOH) | ≤ 0.05 % |
Chloride (Cl) | ≤ 0.003 % |
Sulphate (SO4) | ≤ 0.01 % |
Total nitrogen (N) | ≤ 0.001 % |
Fe (Iron) | ≤ 0.0005 % |
Mo (Molybdenum) | ≤ 0.005 % |
Pb (Lead) | ≤ 0.001 % |