CAS 7783-00-8: Selenige Säure
Beschreibung:
Selenige Säure, mit der chemischen Formel H2SeO3, ist eine Seleno-Säure, die Selen in seinem Oxidationszustand +4 enthält. Es ist eine farb- und geruchlose Flüssigkeit, die hoch wasserlöslich ist und eine schwach saure Lösung bildet. Selenige Säure ist bekannt für seine Fähigkeit, als Reduktionsmittel zu wirken, und kann an verschiedenen chemischen Reaktionen teilnehmen, einschließlich Oxidations-Reduktions-Prozessen. Es wird typischerweise durch die Oxidation von Selen oder Seleniden hergestellt. Die Verbindung zeigt Eigenschaften, die dem Schwefeligen Säure ähnlich sind, da beide Oxo-Säuren von Chalkogenen sind. Selenige Säure wird in der analytischen Chemie verwendet und kann als Vorläufer für die Synthese anderer Selenverbindungen dienen. Es ist jedoch wichtig, es mit Vorsicht zu handhaben, da es giftig ist und Gesundheitsrisiken bei Exposition darstellen kann. Es sollten angemessene Sicherheitsmaßnahmen getroffen werden, wenn mit dieser Substanz gearbeitet wird, einschließlich der Verwendung von persönlicher Schutzausrüstung und der Arbeit in einem gut belüfteten Bereich.
Formel:H2O3Se
InChl:InChI=1S/H2O3Se/c1-4(2)3/h(H2,1,2,3)
InChI Key:InChIKey=MCAHWIHFGHIESP-UHFFFAOYSA-N
SMILES:[Se](=O)(O)O
Synonyme:- 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 Produkte.
Selenous acid (99.999%-Se) PURATREM
CAS:Selenous acid (99.999%-Se) PURATREMFormel:H2SeO3Reinheit:(99.999%-Se)Farbe und Form:white xtl.Molekulargewicht: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.Formel:H2O3SeReinheit:99.999%Molekulargewicht: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.Formel:H2O3SeReinheit:97%Molekulargewicht:128.98Selenous acid
CAS:Formel:H2SeO3Reinheit:97.0 - 103.0 %Farbe und Form:White or off-white powder or crystalsMolekulargewicht: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.Formel:H2O3SeReinheit:98%Farbe und Form:White to off-white to light pink, Crystalline powder or crystals and/or chunksMolekulargewicht: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.Formel:H2O3SeReinheit:99.999%Farbe und Form:White, CrystalsMolekulargewicht: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.Reinheit:Min. 95%
