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

A12106 Isobutyraldehyde, 98%

CAS-Nummer
78-84-2
Synonyme
2-Methylpropanal
2-Methylpropionaldehyde

Größe Preis ($) Menge Verfügbarkeit
500ml 23,35
2500ml 59,23
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Isobutyraldehyde, 98%

MDL
MFCD00006980
EINECS
201-149-6

Chemische Eigenschaften

Formel
C4H8O
Molmasse
72.11
Schmelzpunkt
-65°
Siedepunkt
63-65°
Flammpunkt
-24°(-11°F)
Dichte
0.794
Brechungsindex
1.3723
Sensitivität
Air Sensitive
Löslichkeit
Slightly miscible with water.

Anwendungen

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.

Bemerkungen

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

Literaturverweise

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.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H225-H319-H335-H303

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

Sicherheitshinweise: 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.

Weitere Referenzen

Merck
14,5154
Beilstein
605330
Gefahrenklasse
3
Verpackungsgruppe
II
Harmonized Tariff Code
2912.19
TSCA
Yes
RTECS
NQ4025000

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