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Selenous acid, Puratronic™, 99.999% (metals basis), Thermo Scientific Chemicals
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Catalog No. AA1085522
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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.

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

Melting Point

70°C (decomposition)

Odor

Odorless

Sensitivity

Hygroscopic

Quantity

100 g

Physical Form

Crystalline Aggregates

UN Number

UN3290

Merck Index

14,8430

Solubility Information

Soluble in water and ethanol.

Formula Weight

128.97

Percent Purity

99.999%

Grade

Puratronic™

Assay

(metals basis)

Chemical Name or Material

Selenous acid

Hazard Category

H301+H331-H373

Hazard Statement

GHS H Statement
H301-H331-H373
Toxic if swallowed.
Toxic if inhaled.
May cause damage to organs through prolonged or repeated exposure.

Precautionary Statement

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

DOTInformation

Transport Hazard Class: 6.1; Packing Group: II; Proper Shipping Name: TOXIC SOLID, CORROSIVE, INORGANIC, N.O.S.

EINECSNumber

231-974-7

TSCA

Yes

Recommended Storage

Ambient temperatures

RUO – Research Use Only

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