science-softCon uv/vis spectra data base;	 www.uv-spectra.de; (C) science-softCon 2008

Substance: propyne				Other Names: methylacetylene; prop-1-yne

Formula: CH3CCH; C3H4				CAS-No.: 74-99-7

Study: photolysis


Authors: D.A. Ramsay, P. Thistlethwaite 

Title: The electronic absorption spectrum of the propargyl radical

Journal: Can. J. Phys./Rev. can. phys. 44(7), 1381-1386, (1966) 


Data: (diagram, table, disk): diagram

Wavelenght range: 290 - 345 nm

Resolution: 

Temperature: 

Temperature dependence: 

Pressure: 


Comments: A new system of diffuse bands in the region 2900 to 3450 Å has been found during the flash photolysis 
of propargyl bromide, propargyl chloride, methyl acetylene, allene, and other compounds.
The new bands are assigned to the propargyl radical, CH2—CCH.

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