missing translation for 'onlineSavingsMsg'
Learn More

Selenous acid, 97%, Thermo Scientific Chemicals

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

62.01 EUR - 250.25 EUR

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
View More Specs

Products 3
Product Code Brand Quantity Price Quantity & Availability  
Product Code Brand Quantity Price Quantity & Availability  
11397417
View Documents
Thermo Scientific Alfa Aesar
012574.06
5 g
62.01 EUR
5g
Please to purchase this item. Need a web account? Register with us today!
11377417
View Documents
Thermo Scientific Alfa Aesar
012574.18
50 g
75.07 EUR
50g
Please to purchase this item. Need a web account? Register with us today!
11387417
View Documents
Thermo Scientific Alfa Aesar
012574.30
250 g
250.25 EUR
250g
Please to purchase this item. Need a web account? Register with us today!
Description

Description

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.

Specifications

Chemical Identifiers

7783-00-8
128.98
MCAHWIHFGHIESP-UHFFFAOYSA-N
1091
selenous acid
H2O3Se
MFCD00011331
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
CHEBI:26642
O[Se](O)=O

Specifications

Colorless
70°C (decomposition)
Odorless
97%
-4 Mesh Crystalline
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
MCAHWIHFGHIESP-UHFFFAOYSA-N
selenous acid
1091
128.97
7783-00-8
3.004g/cm3 at 20°C
Hygroscopic
H2O3Se
MFCD00011331
Freely soluble in water,alcohol. Insoluble in ammoniaSoluble in water and ethanol.
O[Se](O)=O
128.98
CHEBI:26642
Selenous acid
Videos
Safety and Handling

Safety and Handling

P260-P264b-P270-P271-P301+P310-P304+P340-P311-P314-P330-P501c

H301+H331-H373

missing translation for 'dotInformation' : DOT Class: 6.1, Packaging Group: II

missing translation for 'einecsNumber' : 231-974-7

missing translation for 'tsca' : Yes

Recommended Storage : Ambient temperatures

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

SDS
Documents

Documents

Product Certifications

RUO – Research Use Only