SODIUM TUNGSTATE DIHYDRATE
SODIUM TUNGSTATE DIHYDRATE AR/ACS
Reagent for determination of Uric acid.
Short Name: SODIUM TUNGSTATE DIHYDRATE
Synonym: Tungstic acid sodium salt dihydrate
Basic Details
Article No.
LG4311
Grade
AR/ACS
Purity
99%
CAS No.
10213-10-2
HS Code
2841.8010
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
White crystalline
Odour
Odorless
pH value
9 - 11.5 at 100 g/l at 20 °C
Melting point/ Freezing point [°C]
698 °C
Density [g/cm3]
4.18
Solubility in water [% weight]
730 g/L (20°C)
Chemical Specifications
Appearance
White Crystalline Powder
Assay
99 - 101%
Insoluble matter
Max 0.01%
Free alkali (as NaOH)
Max 0.02 meq/gm
Chloride (Cl)
Max 0.005%
Sulphate (SO4)
Max 0.01%
Total nitrogen (N)
Max 0.001%
Heavy metals and iron (as Pb)
Max 0.001%
Molybdenum (Mo)
Max 0.001%
Arsenic (As)
Max 0.0005%
Safety Information & Hazard Symbols
Symbol
GHS07
Signal Word
Warning
Hazardous Statement
H302