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SELENOUS ACID Extra Pure
Confirms to USP
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC0131 | Extra Pure | 93% | 7783-00-8 | H2SeO3 | 128.97 | 2811.1990 | 60 Months |
Packings
| 100 g,1000 g |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | White crystalline |
| pH value | 7 |
| Melting point/ Freezing point [°C] | 70 °C |
| Density [g/cm3] | 3.004 |
| Solubility in water [% weight] | Soluble in cold water |
Specifications
| Appearance | White crystalline powder |
| Assay (as H2SeO3) | 93 - 101% |
| Residue on ignition (as SO4) | Max 0.01% |
| Selenate and sulphate | Passes USP test |
| Insoluble matter | 1 gm in 5 ml water gives clear solution |
Safety Information and Hazard Symbols
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|
|---|---|
| Symbol | GHS06, GHS08, GHS09 |
| Signal Word | Danger |
| UN No. | 3283 |
| IMCO Class No. | 6.1 |
| Packing Group | II |
| Hazardous Statement | H301-H331-H373-H410 |
| Precaution Statement | P261-P273-P301 + P310-P311-P501 |
| Risk Statement | |
| Safety Statement | |
Revision Date : 16-Jan-2015
Certificate of Analysis (COA's)
To download COA please enter the batch number below