Unknown # 360-14-21 Mol. Wt. = 138.2 g/mol Chemical Formula = C8H10O2 Degrees of Unsaturation = ___________________________________ b.p. = unknown C IR Spectra (thin film on KBr disc) 1H-NMR Spectra (at 400 MHz in 0.029 g in 0.5 mLCDCl3) Infrared Spectra (on KBr disc): 1H-NMR Integration Data: (at 400 MHz in CDCl3) Spectrum Absorp'n Frequency Peak Shape Peak Intensity Functional Group Signal Shift Integrat'n Splitting Comment Signal Band # (cm-1) (sharp, broad) (strong, med. Indicated # H Assignment Region or weak) 1 3H 2.25  2 3H 3.75  3 1H  4 6.2 3H multiplet Unknown # 360-14-22 Mol. Wt. = 172.2 g/mol Chemical Formula = C8H12O4 Degrees of Unsaturation = ___________________________________ m.p. = 1-2 C
Unknown # 360-14-21 Mol. Wt. = 138.2 g/mol Chemical Formula = C8H10O2 Degrees of Unsaturation = ___________________________________ b.p. = unknown C IR Spectra (thin film on KBr disc) 1H-NMR Spectra (at 400 MHz in 0.029 g in 0.5 mLCDCl3) Infrared Spectra (on KBr disc): 1H-NMR Integration Data: (at 400 MHz in CDCl3) Spectrum Region Absorp'n Band # Frequency (cm-1) Peak Shape (sharp, broad) Peak Intensity (strong, med. or weak) Functional Group Indicated Signal # Shift Integrat'n Splitting Comment H Signal Assignment 1  2.25 3H 2  3.75 3H 3  1H 4 6.2 3H multiplet Unknown # 360-14-22 Mol. Wt. = 172.2 g/mol Chemical Formula = C8H12O4 Degrees of Unsaturation = ___________________________________ m.p. = 1-2 C
360RptBk_12.docx