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7783-00-8 - Selenous acid, 97% - Selenious acid - 12574 - Alfa Aesar

12574 Selenous acid, 97%

CAS Number
7783-00-8
Synonyms
Selenious acid

Size Price ($) Quantity Availability
5g 11.00
50g 50.10
250g 199.00
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Selenous acid, 97%

MDL
MFCD00011331
EINECS
231-974-7

Chemical Properties

Formula
H2SeO3
Formula Weight
128.97
Form
-4 Mesh
Melting point
70° dec.
Sensitivity
Hygroscopic
Solubility
Freely soluble in water, alcohol. Insoluble in ammoniaSoluble in water and ethanol.

Applications

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.

Notes

3.004Hygroscopic. Incompatible with strong reducing agents, organic materials and powdered metals.

Literature References

Kharkongor, I.; Myrboh, B. One-pot synthesis of α-ketoacetals from aryl methyl ketones in the presence of selenous acid catalyzed by boron triflouride etherate. Tetrahedron Lett. 2015, 56 (29), 4359-4362.

Pathe, G. K.; Ahmed, N. SeO2 in water: a mild and efficient promoter for deprotection of acetyl, methoxymethyl and tetrahydropyranyl ethers and sequel oxidation of methyl/methylene carbons of alpha carbonyl carbon. RSC Adv. 2015, 5 (73), 59114-59119.

GHS Hazard and Precautionary Statements

Hazard Statements: H301-H331-H373

Toxic if swallowed. Toxic if inhaled. May cause damage to organs through prolonged or repeated exposure.

Precautionary Statements: P260-P301+P310a-P304+P340-P311a-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. IF SWALLOWED: IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Merck
14,8430
Hazard Class
6.1
Packing Group
II
Harmonized Tariff Code
2811.19
TSCA
Yes

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