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Ammonium Paratungstate

Ammonium Paratungstate / CAS : 11120-25-5

Appearance White crystal. Soluble in water, insoluble in alcohol. UN -
HS 28418010 DG Class -
Synonyms Ammonium Tungsten Oxide Hydrate; Diazanium,Dioxido(Dioxo)Tungsten; Ammonium (Para)Tungstate Hydrate; Tungsten Icp Standard; Tungsten Icp/Dcp Standard; Tungsten Atomic Spectroscopy Standard; Tungsten Atomic Absorption Standard; APT; Tungsten Aa Standard; Wolfram; Tungstate(W12(Oh)2O4019-),Decaammonium
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Properties

Summary

Formula
H8N2O4W
Molecular Mass
283.91500
Exact Mass
283.99900
PSA
0.00000
Logp
0.27720
IUPAC
diazanium;dioxido(dioxo)tungsten
SMILES
[NH4+].[NH4+].[O-][W](=O)(=O)[O-]

Attribute classification

Matter Classification
inorganic
Category
Inorganic Chemicals > Inorganic Salt

Chemical and Physical Properties

Melting Point
3410 °C(lit.)
Density
19.3 g/mL at 25 °C(lit.
Boiling Point
5660 °C(lit.)
Appearance
White crystal. Soluble in water, insoluble in alcohol.

Export information

HS Code
28418010
Export Rebate
0%
Risk Code
11-36/38-36/37/38
Safety Label
F,Xi

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