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About This Item
Linear Formula:
H2C=C=CH2
CAS Number:
Molecular Weight:
40.06
Beilstein:
1730774
EC Number:
MDL number:
UNSPSC Code:
12142100
PubChem Substance ID:
NACRES:
NA.22
Recommended Products
vapor density
1.42 (20 °C, vs air)
Quality Level
vapor pressure
6795 mmHg ( 21 °C)
Assay
≥95%
expl. lim.
13 %
bp
−34 °C (lit.)
mp
−136 °C (lit.)
SMILES string
C=C=C
InChI
1S/C3H4/c1-3-2/h1-2H2
InChI key
IYABWNGZIDDRAK-UHFFFAOYSA-N
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Application
- Allene is extensively used in a variety of photochemical, thermal, and transition metal-mediated cycloadditions.
- It can be lithiated to obtain allenyllithium which reacts with alkyl halides to afford terminal allenes.
- Additional application includes the preparation of reagents such as isopropenylsilanes and isopropenylstannanes by reacting with stannyl and silyl cuprates respectively.
Packaging
Supplied in a carbon steel lecture bottle with a CGA180M/CGA110F needle valve installed.
Compatible with the following:
Compatible with the following:
- Aldrich® lecture-bottle station systems
- Aldrich® lecture-bottle gas regulators
Other Notes
See Technical Information Bulletin AL-151 Gas Regulators: Selection, Installation, and Operation
Legal Information
Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
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Product No.
Description
Pricing
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Flam. Gas 1 - Press. Gas Liquefied gas
Storage Class Code
2A - Gases
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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The silyl-cupration and stannyl-cupration of allenes.
Fleming I, et al.
Tetrahedron, 45(2), 413-424 (1989)
Simple route to mono-, di-, and tri-substituted allenic compounds.
Linstrumelle G and Michelot D
Journal of the Chemical Society. Chemical Communications, 14, 561-562 (1975)
Synthetic applications of intramolecular enone-olefin photocycloadditions.
Crimmins M T
Chemical Reviews, 88(8), 1453-1473 (1988)
Versatile allene and carbon dioxide equivalents for the Diels-Alder reaction.
Bonjouklian R and Ruden R A
The Journal of Organic Chemistry, 42(25), 4095-4103 (1977)
Allene.
eEROS (Encyclopedia of Reagents for Organic Synthesis) (2007)
Protocols
2-Butene; 2-Methylbutane; 1,3-Butadiene; Propyne
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