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

Substance: formic acid					Other Names: methanoic acid

Formula: HCOOH						CAS-No.: 64-18-6

Study: absorption spectrum

                
Authors: S. Nagakura, K. Kaya, H. Tsubomura

Title: Vacuum ultraviolet absorption spectra and electronic structures of formic acid, acetic acid and ethyl acetate

Journal/Source: J. Mol. Spectroscopy, 13, 1-8, (1964); doi:10.1016/0022-2852(64)90049-9


Data: diagram

Wavelength range: ~ 150 - 185 nm

Resolution: 

Temperature: 298 K

Temperature dependence: no

Pressure/Concentration: 

Phase:

pH:


Comments: The electronic spectra of gaseous formic acid, acetic acid, and ethyl acetate were measured in the vacuum ultraviolet 
region; new bands were found at 159, 160, and 164 nm, respectively. Their molecular extinction coefficients at the peak 
wavelengths are 2500 ~ 4200.

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