Sodium tungstate dihydrate, BioUltra, >=99.0% (T)

Code: 72069-25g D2-231

Not available outside of the UK & Ireland.

Application

Sodium tungstate dihydrate has been used in bioluminescence assays and to synthesize polycrystalline samples.

General description

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£48.10 25G
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Not available outside of the UK & Ireland.

Application

Sodium tungstate dihydrate has been used in bioluminescence assays and to synthesize polycrystalline samples.

General description

Sodium tungstate dihydrate is a sodium salt of tungstic acid, which occurs as white colorless crystals.

Other Notes

Stain in electron microscopy (nucleic acids, certain glycoproteins); Protein precipitant.

λ1 M in H2O
anion tracessulfate (SO42-): ≤100 mg/kg, chloride (Cl-): ≤50 mg/kg
assay≥99.0% (T)
cation tracesK: ≤50 mg/kg, Cr: ≤5 mg/kg, Mn: ≤5 mg/kg, Mg: ≤5 mg/kg, Ca: ≤10 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, Zn: ≤5 mg/kg, Ni: ≤5 mg/kg, As: ≤0.5 mg/kg, Cd: ≤5 mg/kg, Pb: ≤10 mg/kg, Co: ≤5 mg/kg
formcrystals
impurities≤0.001% total nitrogen (N), insoluble matter, passes filter test, ≤0.1% free alkali (as NaOH)
InChI keyWPZFLQRLSGVIAA-UHFFFAOYSA-N
InChI1S/2Na.2H2O.4O.W/h;;2*1H2;;;;;/q2*+1;;;;;2*-1;
mp698 °C (lit.)
pH9.5-11.5 (25 °C, 1 M in H2O)
product lineBioUltra
Quality Level100
SMILES stringO.O.[Na+].[Na+].[O-][W]([O-])(=O)=O
solubilityH2O: 1 M at 20 °C, clear, colorless
UV absorptionλ: 260 nm Amax: ≤0.120, λ: 280 nm Amax: ≤0.035
Code
Description
Unit Size
List Price
Qty
72069-100G
Sodium tungstate dihydrate, BioUltra, >=99.0% (T)

Unit:100G
List Price: £157.00
Source:List Price
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Cas Number10213-10-2
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