Specification
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Concerning Product: |
| Article number | 26970821EPB |
| Trade name / designation / denomination | Natriumselenit Pentahydrat, BP |
| 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 |
white crystalline powder |
| Odour |
without of the characteristic odor |
Physical parameter |
| pH value |
≤ 10,1 |
|
| Solubility |
freely soluble in water |
Impurities |
| Heavy Metals (as Pb) |
≤ 3 |
ppm |
| Sulphates (SO4) |
≤ 16 |
% |
| Impurity |
Selenate: ≤ 16 |
% |
Elemental Impurities |
| Chlorides (Cl) |
≤ 20 |
ppm |
| Iron (Fe) |
≤ 30 |
ppm |
| Sodium (Na) |
Sodium selenite pentahydrate: ≤ 99,3 |
% |
Supplemental information:
Shelf life:
min. 3 years or unlimited
Storage conditions:
store in a dry place <25 °C
Conclusion:
Conforms to the BP2008 grade
Chemische Werke Hommel GmbH & Co.KG
This document was generated electronically and is valid without signature.
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Waltrop, 15. Oct. 2019
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We only confirm that we took over the data from our supplier accordingly. Despite careful working, errors in the
takeover are not totally excluded. Some or all parts off the document may be translated due to our best knowledge from the original
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national and international regulations and laws, the status of our products could change. Material Safety Data Sheets providing safety
precautions, that should be observed when handling or storing our products, are available upon request and are provided in compliance
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