Specification
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Concerning Product: |
| Article number | 26970821ORI |
| Trade name / designation / denomination | Natriumselenit Pentahydrat, > 99% |
| CAS number | 26970-82-1 |
| Other names / synonyms | •Sodium selenite pentahydrate; |
| Molecular weight [g / mol] | 263.01 |
| Formula | Na2SeO3.5H2O |
Danger
2630, 6.1, I |
Fatal if swallowed. May cause an allergic skin reaction. Toxic if inhaled. Toxic to aquatic life with long lasting effects.
Avoid breathing dust/fume/gas/mist/vapours/spray. Wash thoroughly after handling. Avoid release to the environment. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: |
| Parameter |
Specification |
Unit |
Organoleptic test |
| Appearance |
Sodium selenite is the inorganic compound with the formula Na2SeO3. This salt is a colourless solid. The pentahydrate Na2SeO3·5(H2O) is the most common water-soluble selenium compound. |
| Colour |
white |
|
Physical parameter |
| Density |
3,1 |
g/ml |
| Form |
powder |
|
| pH value |
9,8 – 10,8 |
|
| Solubility |
Insoluble in alcohol, ethanol |
Identity |
| Assay |
≥ 99 |
% |
Elemental Impurities |
| Chlorides (Cl) |
≤ 0,005 |
% |
Supplemental information:
Regional origin:
IND
Usage:
Sodium selenite is used in the preparation of stock solutions of Se(IV) and in the biosynthesis of Se nanomaterials using Pseudomonas alcaliphila.
Chemische Werke Hommel GmbH & Co.KG
This document was generated electronically and is valid without signature.
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Waltrop, 12. Sep. 2019
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