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254339 Aldrich

2-Butyne

99%

Synonym: Crotonylene, Dimethylacetylene

  • CAS Number 503-17-3

  • Linear Formula CH3C≡CCH3

  • Molecular Weight 54.09

  •  Beilstein Registry Number 1361340

  •  EC Number 207-962-2

  •  MDL number MFCD00009275

  •  PubChem Substance ID 24855377

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Properties

Related Categories Alkynes, Building Blocks, Chemical Synthesis, Internal, Organic Building Blocks More...
vapor pressure   11.47 psi ( 20 °C)
InChI Key   XNMQEEKYCVKGBD-UHFFFAOYSA-N
assay   99%
refractive index   n20/D 1.393(lit.)
bp   27 °C(lit.)
mp   −32 °C(lit.)
density   0.691 g/mL at 25 °C(lit.)
storage temp.   2-8°C

Description

Packaging

5, 25 g in ampule

Application

2-Butyne has been used in preparation of THF-free metallacyclobutene complexes.

General description

The ion-molecule reaction of the aromatic distonic N-methyl-pyridinium-4-yl radical cation with 2-butyne has been investigated using ion trap mass spectrometry.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN1144 - class 3 - PG 1 - Crotonylene
WGK Germany 
3
Flash Point(F) 
-13 °F
Flash Point(C) 
-25 °C

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Protocols & Articles

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Peer-Reviewed Papers
15

References

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