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598-25-4 - 3-Methyl-1,2-butadiene, 97+% - 3,3-Dimethylallene - L10159 - Alfa Aesar

L10159 3-Methyl-1,2-butadiene, 97+%

CAS-Nummer
598-25-4
Synonyme
3,3-Dimethylallene

3-Methyl-1,2-butadiene, 97+%

MDL
MFCD00008896
EINECS
209-926-1

Chemische Eigenschaften

Formel
C5H8
Molmasse
68.12
Schmelzpunkt
-114°
Siedepunkt
40-41°
Flammpunkt
-12°(10°F)
Dichte
0.694
Brechungsindex
1.4190
Sensitivität
Air Sensitive
Löslichkeit
Soluble in ether, benzene, acetone, ethanol.

Anwendungen

3-Methyl-1,2-butadiene has been used to study the photo-induced reaction of 1,1-dimethylallene with the cyanoarenes 1,2,4,5-tetracyanobenzene, 1,4-dicyanobenzene and 1,4-dicyanonaphthalene in the presence of methanol as nucleophile.

Bemerkungen

Store at 4°C. Air Sensitive. Store away from air and oxidizing agents. Incompatible with air, acids and oxidizing agents.

Literaturverweise

Stephen Bell; Peter Groner; Gamil A. Guirgis and James R. Durig. Far-Infrared Spectrum, ab Initio, and DFT Calculations and Two-Dimensional Torsional Potential Function of Dimethylallene (3-Methyl-1,2-butadiene).J. Phys. Chem. A.2000, 104 (3), 514-520.

Judit Sóvágó; M. Gary Newton; Evgenia A. Mushina and Ferenc Ungváry. Intermediate Complexes in the Octacarbonyl Dicobalt-Initiated Living Polymerization of 3-Methyl-1,2-butadiene.J. Am. Chem. Soc.1996, 118 (40), 9589-9596.

Hydroboration with (+)-diisopinocampheylborane gives 3,3-dimethylallyldiisopinocampheylborane, which has been used in the chiral isoprenylation of aldehyde; the reaction was used in the synthesis of artemisia alcohol in 96% ee: Tetrahedron Lett., 25, 1215 (1984).

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H225-H315-H319-H335-H304

Highly flammable liquid and vapour. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. May be fatal if swallowed and enters airways.

Sicherheitshinweise: P210-P301+P310a-P303+P361+P353-P305+P351+P338-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. IF SWALLOWED: Immediately call a POISON CENTER/doctor 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. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Beilstein
1697090
Gefahrenklasse
3
Verpackungsgruppe
II
Harmonized Tariff Code
2901.29
TSCA
No

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