science-softCon uv/vis+ photochemistry database;	www.photochemistry.org; (C) science-softCon 2020

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

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

Study: photodissociation, quantum yields


Authors: K. Seki, H. Okabe

Title: Photodissociation of methylacetylene at 193 nm

Journal/Source: J. Phys. Chem., 96, 3345-3349, (1992); DOI: 10.1021/j100187a031 


Data: 

Energy/Wavelength range: 193 nm

Resolution: 

Temperature: 296 K

Temperature dependence: no

Pressure/Concentration: 

Phase: gas

pH:


Comments: Main primary processes are CH3C2H + h v --> CH3C2 + H and CH3C2H + h v --> CH2 + C2H2 with a quantum
yield of 0.7 +- 0.1 and 0.11 +- 0.01, respectively.

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