Sodıum Thungstate Dıhydrate Extra Pure
ürün Kodu : 106672.1000Sorunuz!
106672.1000
SODIUM TUNGSTATE dihydrate extra pure
Ürün bilgisi | |||
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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 | |||
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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 | |||
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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 | |||
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R Phrase | R 22 Harmful if swallowed. |
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Categories of danger | harmful | ||
Hazard Symbol |
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Toksikolojik veri | |||
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LD 50 oral | LD50 rat 1190 mg/kg |
Spesifikasyonlar | |
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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 % |