SILICOTUNGSTIC ACID |
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| HomeLaboratory ChemicalsHigh Purity Acids |
|
| Article No. |
05726 |
| Purity |
99.5%% |
| Molecular
Formula |
H4(SiW12O40)xH2O |
| H.S. Code |
2811.1980 |
| Grade |
AR |
| CAS No. |
12027-43-9 |
| Molecular
Weight |
2878.17
(anhydrous basis) |
| Shelf Life |
5 | |
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| As a reagent for
precipitation and determination of alkaloids |
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| |
| Specifications |
| Tungstosilicic acid hydrate |
|
| Assay |
Min 99.5% |
| Chloride (Cl) |
Max 0.001% |
| Sulphate (SO4) |
Max 0.005% |
| Total Nitrogen |
Max 0.002% |
| Heavy metals (as Pb) |
Max 0.002% |
| Iron (Fe) |
Max 0.001% |
| Sodium (Na) |
Max 0.02% |
| Potassium (K) |
Max 0.02% |
| Loss on ignition (at 750 degC) |
Max 16.0% | |
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| Safety Information
and Hazard Symbols |
 |
Symbol:
GHS07
Signal Word: Warning
Hazardous Statement:
H315-H319-H335
Precaution Statement: P261-P305 + P351
+ P338
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| Revision Date
: 1-Dec-2012 |
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