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Specification

Concerning Product:
Article number 10102188FI
Trade name / designation / denomination Natriumselenit min 99%
Sodium Selenite 99% min.
CAS number 10102-18-8
Other names / synonyms•SODIUM SELENITE; •SODIUM SELENITE, ANHYDROUS; •Sodium selenite; •Sodium selenite, anhydrous, min, typically 99. min (metals basis); •disodium selenite; •sodium selenite;
EC number233-267-9
EC index number034-003-00-3
Customs tariff number / CN code / TARIC28429010
Molecular weight [g / mol]172.93774
FormulaNa2O3Se
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. Wear protective gloves/protective clothing/eye protection/face protection. Specific treatment (see details on this label). Dispose of contents/container in accordance with local/regional/(inter)national regulations.


Parameter Specification Unit

Organoleptic test
Appearance white crystals

Physical parameter
Substances insoluble in H2O: ≤ 0,15 %
Loss on drying ≤ 0,2 %

Identity
Assay Selenit ≥ 45,3 %

Elemental Impurities
Silver (Ag) ≤ 5 ppm
Arsenic (As) ≤ 10 ppm
Cadmium (Cd) ≤ 5 ppm
Iron (Fe) ≤ 10 ppm
Mercury (Hg) ≤ 0,1 ppm
Nickel (Ni) ≤ 5 ppm
Lead (Pb) ≤ 20 ppm
Tellurium (Te) ≤ 0,01 %

Particle size distribution
Particles < 325 Mesh ≤ 20 %
Particles < 50 mesh ≥ 96 %
Particles <18mesh ≥ 100 %


Chemische Werke Hommel GmbH & Co.KG
This document was generated electronically and is valid without signature.
Waltrop, 14. May. 2020
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 to give a better understanding. If you have any questions about specific details, please call us directly. Unless otherwise marked, these data do not originate from us and have not been tested by us on the correctness. The above information corresponds to the present state of our knowledge and is intended as a general description of our products and their possible applications. We make no warranties, expressed or implied, as to the information's accuracy, adequacy, sufficiency or freedom from defect and assumes no liability in connection with any use of this information. Any user of this product is responsible for determining the suitability of our products for its particular application. The foregoing information does not absolve the buyer of its own tests. Observing existing laws and regulations, is the responsibility of the buyer of our product. Nothing included in this information waives any of our General Terms and Conditions of Sale, which control unless it agrees other in writing. Any existing intellectual/industrial property rights must be observed. Due to possible changes in our products and applicable 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 with applicable law. The user should obtain and review the applicable Material Safety Data Sheet information before handling any of these products. For additional information, please contact us.


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