72069
Sodium tungstate dihydrate
BioUltra, ≥99.0% (T)
Synonym(s):
Tungstic acid sodium salt dihydrate
Select a Size
| Pack Size | SKU | Availability | Price |
|---|---|---|---|
| 25 g | Estimated to ship TODAYfromMILWAUKEE | $70.90 | |
| 100 g | Estimated to ship TODAYfromMILWAUKEE | $243.00 |
About This Item
$70.90
Estimated to ship TODAYDetails
grade
reagent grade
Quality Level
product line
BioUltra
assay
≥99.0% (T)
form
crystals
impurities
insoluble matter, passes filter test, ≤0.001% total nitrogen (N), ≤0.1% free alkali (as NaOH)
pH
9.5-11.5 (25 °C, 1 M in H2O)
mp
698 °C (lit.)
solubility
H2O: 1 M at 20 °C, clear, colorless
anion traces
chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤100 mg/kg
cation traces
As: ≤0.5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Ni: ≤5 mg/kg, Pb: ≤10 mg/kg, Zn: ≤5 mg/kg
λ
1 M in H2O
UV absorption
λ: 260 nm Amax: ≤0.120, λ: 280 nm Amax: ≤0.035
SMILES string
O.O.[Na+].[Na+].[O-][W]([O-])(=O)=O
InChI
1S/2Na.2H2O.4O.W/h;;2*1H2;;;;;/q2*+1;;;;;2*-1;
InChI key
WPZFLQRLSGVIAA-UHFFFAOYSA-N
General description
Application
Other Notes
1 of 1
This Item | |||
|---|---|---|---|
| form crystals | form crystalline powder | form crystalline powder | form - |
| assay ≥99.0% (T) | assay ≥99% | assay ≥99% | assay - |
| solubility H2O: 1 M at 20 °C, clear, colorless | solubility - | solubility - | solubility - |
| Quality Level 100 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| grade reagent grade | grade ACS reagent | grade ACS reagent | grade - |
| cation traces As: ≤0.5 mg/kg, Cd: ≤5 mg/kg, Cr: ≤5 mg/kg, Fe: ≤5 mg/kg, Mg: ≤5 mg/kg, Ni: ≤5 mg/kg, Zn: ≤5 mg/kg, Ca: ≤10 mg/kg, Cu: ≤5 mg/kg, Mn: ≤5 mg/kg, Co: ≤5 mg/kg, Pb: ≤10 mg/kg, K: ≤50 mg/kg | cation traces Mo: ≤0.001%, heavy metals and iron (as Pb): ≤0.001% | cation traces Mo: ≤0.001%, heavy metals and iron (as Pb): ≤0.001% | cation traces - |
| form crystals | form crystalline powder | form crystalline powder | form - |
| assay ≥99.0% (T) | assay ≥99% | assay ≥99% | assay - |
| solubility H2O: 1 M at 20 °C, clear, colorless | solubility - | solubility - | solubility - |
| Quality Level 100 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| grade reagent grade | grade ACS reagent | grade ACS reagent | grade - |
| cation traces As: ≤0.5 mg/kg, Cd: ≤5 mg/kg, Cr: ≤5 mg/kg, Fe: ≤5 mg/kg, Mg: ≤5 mg/kg, Ni: ≤5 mg/kg, Zn: ≤5 mg/kg, Ca: ≤10 mg/kg, Cu: ≤5 mg/kg, Mn: ≤5 mg/kg, Co: ≤5 mg/kg, Pb: ≤10 mg/kg, K: ≤50 mg/kg | cation traces Mo: ≤0.001%, heavy metals and iron (as Pb): ≤0.001% | cation traces Mo: ≤0.001%, heavy metals and iron (as Pb): ≤0.001% | cation traces - |
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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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Global Trade Item Number
| SKU | GTIN |
|---|---|
| 72069-100G | 04061833381106 |
| 72069-25G | 04061832855707 |