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

Substance: dimethyl oxalate				Other Names: dimethyloxalate

Formula: C4H6O4						CAS-No.: 553-90-2	PubChem: CID 11120

Study: uv absorption spectra

                
Authors: H.J. Maria, S.P. McGlynn

Title: Electronic States of Oxalic Acid and Dimethyloxalate. Absorption Studies

Journal/Source: J. Mol. Spectroscopy, 42 (1), 177-196, (1972); http://dx.doi.org/10.1016/0022-2852(72)90153-1


Data: diagram, table

Energy/Wavelength range: 200 - 330 nm

Resolution: 

Temperature: 4.1 to 300 K

Temperature dependence: no

Pressure/Concentration:

Phase: vapor; solution (acetonitrile); crystal

pH:


Comments: Electronic absorption spectra of oxalic acid and dimethyloxalate are reported at temperatures ranging from 4.2 to 300 K. 
Three absorption systems are observed in the near-ultraviolet region.

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