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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)

Numéro CAS
7783-00-8
Synonymes

Dimensions Prix ($) Quantité Disponibilité
25g 299,70
100g 830,40
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Selenous acid, Puratronic®, 99.999% (metals basis)

MDL
MFCD00011331
EINECS
231-974-7

Propriétés chimiques

Formule
H2SeO3
Poids formulaire
128.97
Forme
Crystalline Aggregates
Point de fusion
70° dec.
Sensibilité
Hygroscopic
Solubilité
Soluble in water and ethanol.

Applications

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.

Notes

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

Références bibliographiques

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.

Mentions de danger et de prudence du SGH

Mentions de danger (UE): H301-H331-H373-H400-H410

Toxic if swallowed. Toxic if inhaled. May cause damage to organs through prolonged or repeated exposure. Very toxic to aquatic life. Very toxic to aquatic life with long lasting effects.

Mentions de prudence: P260-P261-P273-P301+P310-P304+P340-P311-P321-P405-P403+P233-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Avoid breathing dust/fume/gas/mist/vapours/spray. Avoid release to the environment. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Call a POISON CENTER or doctor/physician. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Autres références

Merck
14,8430
Classe de danger
6.1
Groupe d'emballage
II
Code tarifaire harmonisé
2811.19
TSCA
Yes

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