99%
>350 °C (lit.)
[Na+].[Na+].[O-][Se]([O-])=O
1S/2Na.H2O3Se/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
BVTBRVFYZUCAKH-UHFFFAOYSA-L
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Danger
Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Chronic 2 - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1
6.1B - Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK 2
Not applicable
Not applicable
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.
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Example:
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MMYOMAG-74K-13
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How to Find a Lot/Batch Number for COA
Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.
For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').
For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').
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Sodium selenite is soluble in water (50 mg/mL), yielding a clear to slightly hazy, colorless to very faint yellow solution.
Stock solutions of sodium selenite may be frozen. Working aliquots are stable for 30 days at 2-8 °C.
Sodium selenite should be stored at room temperature in a dry place. Sodium selenite is a moisture sensitive compound.
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Antioxidants protect biological systems from oxidative damage produced by oxygen-containing free radicals and from redoxactive transition metal ions such as iron, copper, and cadmium.
Selenium is an essential trace element. It is a necessary dietary constituent of at least 25 human selenoproteins and enzymes containing selenocysteine. Additionally, as selenium is a semiconductor and photoelectrically active, it has more advanced applications such as xerography and solar cell assembly.
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