SELENOUS ACID 93% EXTRAPURE
Confirms to USP Selenious acid
| Product Code | B-02291 | Molecular Formula | H2SeO3 |
|---|---|---|---|
| Purity | 93 % | CAS No | 7783-00-8 |
| BRAND | Bio-Chem | Molecular Weight | 128.97 |
| H.S.Code | 2811.19900 | Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | White crystalline |
|---|---|---|---|
| Melting point/ Freezing point [°C | 70 °C | Solubility in water [% weight] | Soluble in cold water |
| pH value | 7 | Density [g/cm3] | 3.004 |
Packaging
Specification
| 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
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