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

CAS Number
598-25-4
Synonyms
3,3-Dimethylallene

Stock No. Size Price ($) Quantity Availability
L10159-03 1g 93.80
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3-Methyl-1,2-butadiene, 97+%

MDL
MFCD00008896
EINECS
209-926-1

Chemical Properties

Formula
C5H8
Formula Weight
68.12
Melting point
-114°
Boiling Point
40-41°
Flash Point
-12°(10°F)
Density
0.694
Refractive Index
1.4190
Storage & Sensitivity
Keep Cold. Air Sensitive. Store under Nitrogen.
Solubility
Soluble in ether, benzene, acetone, ethanol.

Applications

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.

Notes

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

Literature References

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 Hazard and Precautionary Statements

Hazard Statements: 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.

Precautionary Statements: P210-P233-P235-P240-P241-P242-P243-P261-P264b-P271-P280-P301+P310-P303+P361+P353-P304+P340-P305+P351+P338-P312-P331-P332+P313-P337+P313-P363-P370+P378q-P501c

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep container tightly closed. Keep cool. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. 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 INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. Do NOT induce vomiting. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Wash contaminated clothing before reuse. In case of fire: Use CO2, dry chemical, or foam Dispose of contents/ container to an approved waste disposal plant

Other References

Beilstein
1697090
Hazard Class
3
Packing Group
II
Harmonized Tariff Code
2901.29
TSCA
No

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