science-softCon uv/vis+ photochemistry database;	www.photochemistry.org; (C) science-softCon 2019

Substance: E,E-2,4-hexadienedial			Other Names: (E,E)-muconaldehyde

Formula: C6H6O2; HCOCH=CHCH=CHCHO(E,E)			CAS-No.: 18409-46-6

Study: UV absorption cross sections, photolysis, quantum yields


Authors: B. Xiang, L. Zhu

Title: Absorption cross sections of E,E-2,4-hexadienedial at 248 nm, and in the 290–430 nm region, and photolysis study at 248, 308, and 351 nm

Journal/Source: Chem. Phys. Lett., 450, 31-38, (2007); doi:10.1016/j.cplett.2007.11.010    


Data: diagram, table

Energy/Wavelength range: 248 nm; 290 - 430 nm

Resolution: 

Temperature: 295 K

Temperature dependence: no

Pressure/Concentration: 

Phase: vapor

pH:


Comments: The HCO product channel following 248, 308, and 351 nm photolysis of E,E-2,4-hexadienedial was examined. The HCO 
radical was only observed at 248 nm, with quantum yield of 0.014 (absolute uncertainty in HCO yield is ~ 86%).

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