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Chemical structure of 1,1,-Bis (4-Chlorophenyl)-2,2,2-Trichloroethane 4,4'-DTT | 50-29-3
SKU: S1879

Selenious acid | 7783-00-8|Sarcham Labs

SKU: S1879

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Description

1091

Synonym: selenious acid, selenious acid h2seo3, monohydrated selenium dioxide, unii-f6a27p4q4r, selenium dioxide, monohydrated, ccris 5530, selenious acid usp, selenious acid,selenous acid,monohydrated selenium dioxide, selenium, reference standard solution

Assay Percent Range 97.5% min. (Iodometry)
Fieser 01,992
Merck Index 15,8567
Solubility Information Solubility in water: 167g/100mL (20°C). Other solubilities: very soluble in hot water and alcohol,insoluble in ammonia
Formula Weight 128.97
Physical Form Crystalline Powder, Crystals and/or Chunks
Packaging Glass bottle
Solubility Solubility in water: 167 g/100mL (20°C). Other solubilities: very soluble in hot water and alcohol, insoluble in ammonia
Color Pink or White
Melting Point 70.0°C
Chemical Name or Material Selenious acid

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SPECIFICATION

AppearanceN/A
Content of ZincN/A
Boiling PointN / A
Melting PointN/A
Vapor PressureN/A
% Volatile by WeightN/A
Solubility in WaterN/A
DensityN/A
pH of Liquid, Typical (10% soln)N/A
Specific Gravity ApproxN/A
OdorN/A
pHN/A
Flash PointN/A
Ignition temperatureN/A
Lower exposure limitN/A
Upper exposure limitN/A

Safty INFORMATION:

Classification of the substance or mixture

GHS Label elements, including precautionary statements

Hazards not otherwise classified (HNOC) or not covered by GHS

 

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Selenious acid | 7783-00-8 FAQs

Selenious acid is chemically represented as H₂SeO₃. This molecule is essential in industrial and laboratory settings due to its composition of two hydrogen atoms, one selenium atom, and three oxygen atoms.

The dibasic acid selenic acid (H₂SeO₄) is a more powerful oxidizing agent than the weaker selenious acid (H₂SeO₃). The oxidation states of selenium are the main differentiator between selenious acid and selenic acid, which are +4 and +6, respectively.

Electroplating uses selenium layers deposited by selenious acid, chemical synthesis uses it as a reagent, and the glass industry uses it to decolourize. Some medicinal and culinary uses also make use of it in minute quantities.

Be cautious when using selenium acid because it is poisonous and caustic. It is crucial to wear protective gear, ensure enough ventilation, and follow all safety protocols to prevent long-term health risks.

Its dibasic character and capacity to dissociate into two hydrogen ions are highlighted by the formula H₂SeO₃. Because of its quality, it is found to be used as an intermediary in the synthesis of selenium compounds and redox processes.

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