Selenious Acid

CAS Number: 7783-00-8

Molecular Formula: H2O3Se

Purity: Selenious Acid 98% purity

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About Selenious Acid

Bisoctrizole (CAS 103597-45-1) has emerged as a critical hybrid UV absorber within the high purity fine chemicals sector, where CDMOs are increasingly integrating it into advanced dermatological applications and specialized polymer stabilization to meet rigorous global sourcing shifts. Methylene Bis-Benzotriazolyl Tetr...

Synonyms

Acid, Selenious
Acid, Selenous
Selenious Acid
Selenite
Selenous Acid

Selenious Acid Specifications

CAS Number

7783-00-8

Molecular Formula

H2O3Se

Molecular Weight

128.97 g/mol

IUPAC Name

selenous acid

Canonical SMILES

O[Se](=O)O

InChI Key

MCAHWIHFGHIESP-UHFFFAOYSA-N

InChI

InChI=1S/H2O3Se/c1-4(2)3/h(H2,1,2,3)

EINECS Number

231-974-7

MDL Number

MFCD00011331

HSN No

28111990

CAS Number

7783-00-8

Molecular Formula

H2O3Se

Molecular Weight

128.97 g/mol

IUPAC Name

selenous acid

Canonical SMILES

O[Se](=O)O

InChI Key

MCAHWIHFGHIESP-UHFFFAOYSA-N

InChI

InChI=1S/H2O3Se/c1-4(2)3/h(H2,1,2,3)

EINECS Number

231-974-7

MDL Number

MFCD00011331

HSN No

28111990

Molecular Weight

128.97 g/mol

Purity

Selenious Acid 98% purity

Melting Point

70 °C (decomposes)

Boiling Point

684.9 °C

Freezing point

70 °C

Flash Point

Not applicable

Density

3.004 g/cm3

Precise Quality

7783-00-8

PSA

126 Å²

logP

-1.6279

Average mass

128.98 g/mol

Monoisotopic mass

129.91692 Da

Molar mass

128.97 g/mol

Vapour pressure

2 mm Hg at 15 °C

Precautionary Statement Codes

P260, P264, P270, P271, P273, P301+P310, P304+P340, P311, P314, P321, P330, P391, P403+P233, P405, and P501

Hazard Classes and Categories

Acute Tox. 3 (100%) STOT RE 2 (100%)

Nutritional Supplement

A source of selenium indicated for adult and pediatric patients as an admixture in parenteral nutrition solutions to prevent or treat selenium deficiency when oral or enteral nutrition is not possible

Metal Surface Treatment Agent

A key component in the cold-bluing process used to protect and change the color of steel, copper, brass, and bronze through chemical darkening and patination

Oxidizing Agent

A versatile reagent utilized in organic synthesis for the preparation of 1,2-dicarbonyl compounds, such as glyoxal from acetaldehyde

Analytical Reagent

A primary ingredient in the Mecke reagent used for drug testing and identification, as well as a reagent for alkaloids and in labeling radiopharmaceuticals.