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78-84-2 - Isobutyraldehyde, 98% - 2-Methylpropanal - 2-Methylpropionaldehyde - A12106 - Alfa Aesar

A12106 Isobutyraldehyde, 98%

Codice CAS
78-84-2
Sinonimi
2-Methylpropanal
2-Methylpropionaldehyde

Dimensioni Prezzo ($) Quantità Disponibilità
500ml 23,20
2500ml 59,50
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Isobutyraldehyde, 98%

MDL
MFCD00006980
EINECS
201-149-6

Proprietà chimiche

Formula
C4H8O
Peso formula
72.11
Punto di fusione
-65°
Punto di ebollizione
63-65°
Punto di infiammabilità
-24°(-11°F)
Densità
0.794
Indice di rifrazione
1.3723
Sensibilità
Air Sensitive
Solubilità
Slightly miscible with water.

Applicazioni

Isobutyraldehyde is used as an intermediate in the preparation of isobutanol, methacrolein, hydroxypivaldehyde and neopentyl glycol. It is actively involved in the Cannizaro reaction. It is also used as an intermediate to prepare pharmaceuticals, agrochemicals, vitamins, antioxidants, rubber accelerators, textile auxiliaries, perfumery and flavors.

Note

Air sensitive. Store in a cool place. Incompatible with oxidizing agents, strong acids, strong bases and strong reducing agents.

Letteratura

Renzetti, A.; Marrone, A.; Gérard, S.; Sapi, J.; Nakazawa, H.; Re, N.; Fontana, A. TiCl4-promoted condensation of methyl acetoacetate, isobutyraldehyde, and indole: a theoretical and experimental study. Phys. Chem. Chem. Phys. 2015, 17 (14), 8964-8972.

Fu, A.; Zhao, C.; Li, H.; Tian, C.; Chu, T.; Tian, F.; Liu, J.; Wang, Z.; Duan, Y. Theoretical investigation on the chemo-and stereoselectivities of isoleucine-catalyzed cross-aldol reactions between two enolizable aldehydes involving isobutyraldehyde and contrasts with proline catalysis. Tetrahedron: Asymmetry 2014, 25 (5), 418-428.

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H225-H319-H335-H303

Highly flammable liquid and vapour. Causes serious eye irritation. May cause respiratory irritation. May be harmful if swallowed.

Dichiarazioni precauzionali: P210-P261-P280-P240-P241-P303+P361+P353-P305+P351+P338-P304+P340-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. 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.

Altri riferimenti

Merck
14,5154
Beilstein
605330
Classe di rischio
3
Gruppo di imballaggio
II
Codice tariffe armonizzato
2912.19
TSCA
Yes
RTECS
NQ4025000

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