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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+%

Codice CAS
598-25-4
Sinonimi
3,3-Dimethylallene

Dimensioni Prezzo ($) Quantità Disponibilità
1g 91,05
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3-Methyl-1,2-butadiene, 97+%

MDL
MFCD00008896
EINECS
209-926-1

Proprietà chimiche

Formula
C5H8
Peso formula
68.12
Punto di fusione
-114°
Punto di ebollizione
40-41°
Punto di infiammabilità
-12°(10°F)
Densità
0.694
Indice di rifrazione
1.4190
Sensibilità
Air Sensitive
Solubilità
Soluble in ether, benzene, acetone, ethanol.

Applicazioni

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.

Note

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

Letteratura

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).

Rischio GHS e dichiarazioni precauzionali

Dichiarazioni di rischio (UE): H225-H304-H315-H319-H335

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

Dichiarazioni precauzionali: P210-P261-P280-P301+P310-P303+P361+P353-P305+P351+P338-P304+P340-P362-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. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. 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. Take off contaminated clothing and wash before reuse. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Altri riferimenti

Beilstein
1697090
Classe di rischio
3
Gruppo di imballaggio
II
Codice tariffe armonizzato
2901.29
TSCA
No

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