CAS 7783-00-8: Acido selenioso
Descrizione:
Acido selenioso, con la formula chimica H2SeO3, è un selenoacido che contiene selenio nel suo stato di ossidazione +4. È un liquido incolore e inodore che è altamente solubile in acqua, formando una soluzione debolmente acida. Acido selenioso è noto per la sua capacità di agire come agente riducente e può partecipare a varie reazioni chimiche, inclusi i processi di ossidazione-riduzione. Viene tipicamente prodotto mediante l'ossidazione del selenio o dei selenuri. Il composto presenta proprietà simili all'acido solforoso, poiché entrambi sono ossiacidi di calcogeni. Acido selenioso è utilizzato in chimica analitica e può fungere da precursore per la sintesi di altri composti di selenio. Tuttavia, è importante maneggiarlo con cura, poiché è tossico e può comportare rischi per la salute in caso di esposizione. Devono essere adottate misure di sicurezza adeguate quando si lavora con questa sostanza, incluso l'uso di dispositivi di protezione individuale e lavorare in un'area ben ventilata.
Formula:H2O3Se
InChI:InChI=1S/H2O3Se/c1-4(2)3/h(H2,1,2,3)
InChI key:InChIKey=MCAHWIHFGHIESP-UHFFFAOYSA-N
SMILES:[Se](=O)(O)O
Sinonimi:- Acide selenieux
- Acido Selenioso
- Micro Se
- Monohydrated selenium dioxide
- Selenige Saure
- Selenious acid (H2SeO3)
- Selenious acid (H<sub>2</sub>SeO<sub>3</sub>)
- Selenium hydroxide oxide (Se(OH)<sub>2</sub>O)
- Selenium hydroxide oxide (Se(OH)2O)
- Selenious acid
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8 prodotti.
Selenous acid (99.999%-Se) PURATREM
CAS:Selenous acid (99.999%-Se) PURATREMFormula:H2SeO3Purezza:(99.999%-Se)Colore e forma:white xtl.Peso molecolare:128.97Selenous acid, Puratronic™, 99.999% (metals basis)
CAS:Selenous acid is used in steel guns, wherein it changes the color of the steel from silver-grey to blue-grey. It serves as an important component of the Mecke reagent, which is utilized for drug testing. It acts as a source of selenium. It acts as a reagent for alkaloids and an oxidizing agent. Further, it is used in labeling radiopharmaceuticals. It is involved in the organic synthesis for the preparation of glyoxal. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.Formula:H2O3SePurezza:99.999%Peso molecolare:128.98Selenous acid, 97%
CAS:As an oxidizing agent, as a reagent for alkaloidsSelenous acid is used in steel guns, wherein it changes the color of the steel from silver-grey to blue-grey. It serves as an important component of the Mecke reagent, which is utilized for drug testing. It acts as a source of selenium. It acts as a reagent for alkaloids and an oxidizing agent. Further, it is used in labeling radiopharmaceuticals. It is involved in the organic synthesis for the preparation of glyoxal. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.Formula:H2O3SePurezza:97%Peso molecolare:128.98Selenous acid
CAS:Formula:H2SeO3Purezza:97.0 - 103.0 %Colore e forma:White or off-white powder or crystalsPeso molecolare:128.97Selenious acid, 98%
CAS:This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.Formula:H2O3SePurezza:98%Colore e forma:White to off-white to light pink, Crystalline powder or crystals and/or chunksPeso molecolare:128.98Selenious acid, 99.999%, (trace metal basis)
CAS:This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.Formula:H2O3SePurezza:99.999%Colore e forma:White, CrystalsPeso molecolare:128.98Selenious acid
CAS:Selenious acid is a white, odorless crystalline solid that is soluble in water. It has been used as a fixative agent in biological and biochemical studies. Selenium inhibits the activity of cyclin D2, nitrate reductase, and methyltransferases. Selenious acid also has inhibitory properties against human lung cells (HL-60). The rate constant for the reaction with selenite was determined to be 1.8 x 10^(-4) M-1 s-1 at 25 degrees Celsius, which is much higher than that of other metal ions tested. Selenious acid can be detected by chromatographic analysis and can be quantified by measuring the hydrogen selenide released during the reaction between it and water vapor.Purezza:Min. 95%Ref: 3D-FS34751
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