Sodium selenite anhydrous

SKU:
TC169E
CAS Number : 10102-18-8
Molecular Formula : Na₂SeO₃
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Product Identifier

Product Code TC169E

Product Description

Molecular weight 172.94
Molecular formula Na2SeO3
CAS No. 10102-18-8

Quality Control

Appearance White or almost white crystalline deliquescent powder
Solubility Freely soluble in water, practically insoluble in ethanol (96%)
pH (10% in water at 25°C) 9.80 -10.80
Identification A A red precipitate is formed which may become black.
Identification B The solution remains clear.
Identification C Reactions for sodium
Identification D It complies with the limits of the assay.
Appearance of solution 10% solution in water is clear and colourless.
Chloride <= 0.005%
Iron <= 0.005%
Sulfates and selenates <= 0.03%
Loss on drying (at 130°C, 2hr) <= 0.5%
Assay (Iodometry) 98.50 101.50%

Storage and Shelf Life

Storage Store below 30°C. away from bright light.
Shelf life 48 months.
Usage Use before expiry date given on the product label.
CAS Number : 10102-18-8
Molecular Formula : Na₂SeO₃
More Information
Product Name Sodium selenite anhydrous
SKU TC169E
CAS No 10102-18-8
EC No. 233-267-9
EC Index No. 034-003-00-3
Molecular formula Na₂SeO₃
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