S0765
Sodium tungstate dihydrate
ACS reagent, 99.0-101.0%
Synonym(s):
Tungstic acid sodium salt dihydrate
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About This Item
InChI key
WPZFLQRLSGVIAA-UHFFFAOYSA-N
InChI
1S/2Na.2H2O.4O.W/h;;2*1H2;;;;;/q2*+1;;;;;2*-1;
SMILES string
O.O.[Na+].[Na+].[O-][W]([O-])(=O)=O
grade
ACS reagent
assay
99.0-101.0%
impurities
≤0.001% Nitrogen compounds (as N), ≤0.01% Insoluble matter, ≤0.02 meq/g Titratable free base
mp
698 °C (lit.)
anion traces
chloride (Cl-): ≤0.005%, sulfate (SO42-): ≤0.01%
cation traces
Mo: ≤0.001%, heavy metals and iron (as Pb): ≤0.001%
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signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral
Storage Class
13 - Non Combustible Solids
wgk
WGK 2
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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