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  7. Selenous acid, 97%, Thermo Scientific Chemicals

Selenous acid, 97%, Thermo Scientific Chemicals

Product Code. 11397417
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Quantity:
5 g
50 g
250 g
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This item is not returnable. View return policy

Description

For Use As An Oxidizing Agent, As a Reagent For Alkaloids

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.

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 7783-00-8
Molecular Formula H2O3Se
Molecular Weight (g/mol) 128.98
MDL Number MFCD00011331
InChI Key MCAHWIHFGHIESP-UHFFFAOYSA-N
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
PubChem CID 1091
ChEBI CHEBI:26642
IUPAC Name selenous acid
SMILES O[Se](O)=O

Specifications

Color Colorless
Melting Point 70°C (decomposition)
Density 3.004g/cm3 at 20°C
Odor Odorless
Sensitivity Hygroscopic
Assay Percent Range 97%
Quantity 5 g
Physical Form -4 Mesh Crystalline
Solubility Information Freely soluble in water,alcohol. Insoluble in ammoniaSoluble in water and ethanol.
Formula Weight 128.97
Chemical Name or Material Selenous acid
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Safety and Handling

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Product Identifier
  • Selenous acid
 Signal Word
  • Danger
 Hazard Category
  • Acute toxicity Category 3
  • LONG-TERM AQUATIC HAZARD Chronic 1
  • ACUTE AQUATIC Acute 1
  • Specific target organ toxicity after repeated exposure Category 2
 Hazard Statement
  • H301-Toxic if swallowed.
  • H331-Toxic if inhaled.
  • H373-May cause damage to organs.
  • H400-Very toxic to aquatic life.
  • H410-Very toxic to aquatic life with long lasting effects.
 Precautionary Statement
  • P260-Do not breathe dust/fume/gas/mist/vapours/spray.
  • P273-Avoid release to the environment.
  • P301+P310-IF SWALLOWED: Immediately call a POISON CENTER/doctor /
  • P304+P340-IF INHALED: Remove person to fresh air and keep comfortable for breathing.
 Supplemental information
  • MIXTURE LIST-Contains : Selenous acid

RUO – Research Use Only

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