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7783-00-8 - Selenous acid, Puratronic®, 99.999% (metals basis) - 10855 - Alfa Aesar

10855 Selenous acid, Puratronic®, 99.999% (metals basis)

Codice CAS
7783-00-8
Sinonimi

Dimensioni Prezzo ($) Quantità Disponibilità
25g 300,00
100g 934,00
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Selenous acid, Puratronic®, 99.999% (metals basis)

MDL
MFCD00011331
EINECS
231-974-7

Proprietà chimiche

Formula
H2SeO3
Peso formula
128.97
Modulo
Crystalline Aggregates
Punto di fusione
70° dec.
Sensibilità
Hygroscopic
Solubilità
Soluble in water and ethanol.

Applicazioni

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.

Note

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

Letteratura

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.

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H301-H331-H373

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

Dichiarazioni precauzionali: P260-P301+P310a-P304+P340-P311a-P405-P501a

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

Altri riferimenti

Merck
14,8430
Classe di rischio
6.1
Gruppo di imballaggio
II
Codice tariffe armonizzato
2811.19
TSCA
Yes

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