The product is assigned an M-Clarity quality level of 100. Analytical data are unable to be shared on a product of this quality level. For a representative example see product T9900. FT-IR and ATR-IR data are available in the documentation section. Please see the links below to review:
FT-IR Condensed Phase
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/quality/spectra/258/829/FTIR004591.pdf
ATR-IR Spectra
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/quality/spectra/218/710/ATIR0007456.pdf
FT-IR Raman
https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/quality/spectra/260/047/RAIR007272.pdf