The infrared spectrum of ethanol shows a strong absorption band at 3300 cm-1 due to the O-H stretching vibration. ethanol infrared spectrum in our content. You can even visit other links
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FT-IR Spectrum of Ethanol. Ethanol is a colorless liquid with a characteristic odor. It is the principal type of alcohol found in alcoholic beverages.
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https://www.thermofisher.com/us/en/home/materials-science/spectroscopy/spectroscopy-learning-center/molecular-spectroscopy-tutorials/ft-ir-spectroscopy/ft-ir-spectrum-of-ethanol.html
INFRARED SPECTRA OF FUNCTIONAL GROUPS The positions of the most common peaks observed in infrared (IR) spectra are summarized in Table 1. Table 2 lists the absorption peaks.
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http://www.chem.ucla.edu/~bacher/General/30BL_files/InfraredSpectra_30BL.pdf