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2,2,4,4-Tetramethyl-cyclobutane-1,3-dione
SpectraBase Compound ID 69wsX9j1Yvf
InChI InChI=1S/C8H12O2/c1-7(2)5(9)8(3,4)6(7)10/h1-4H3
InChIKey RGCDVHNITQEYPO-UHFFFAOYSA-N
Mol Weight 140.18 g/mol
Molecular Formula C8H12O2
Exact Mass 140.08373 g/mol

Attenuated Total Reflectance Infrared (ATR-IR) Spectrum

Attenuated Total Reflectance Infrared (ATR-IR) Spectrum

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SpectraBase Spectrum ID CyQIgZADXYy
Name Tetramethyl-1,3-cyclobutanedione
Source of Sample TCI Chemicals India Pvt. Ltd.
Catalog Number D0258
Lot Number D6KWI-RF
Accessory DuraSample IR #145404C7
Acquisition Mode double sided, forward-backward
Actual Signal Gain 16
Actual Signal Gain 2nd Channel 1
Additional Data Treatment 1
Analog Signal 1 0.270505
Analog Signal 2 0
Aperture Setting 6 mm
Apodization Function Norton-Beer, medium
Background Measurement Channel Sample Compartment
Background Peak Amplitude 2nd Channel 1
Background Peak Location 2nd Channel 1
Background Rotations 32
Background Scans 32
Background Scans or Time Scans
Backward Peak Amplitude -1466
Backward Peak Location 7369
Beam Splitter Setting KBr
CAS Registry Number 933-52-8
Color Properties White-very pale yellow
Container ID C-010459
Copyright Copyright © 2018-2024 John Wiley & Sons, Inc. All Rights Reserved.
Data Point Format 1
Delay Before Measurement 1 s
Detector Setting RT-DLaTGS [Internal]
End Frequency Limit for File 340
External Synchronization Off
Focal Length 100
Formula C8H12O2
Frequency of First Point 3998.31 cm⁻¹
Frequency of Last Point 339.461 cm⁻¹
High Folding Limit 15800.4
High Frequency Limit 8000 cm⁻¹
High Pass Filter 0
InChI InChI=1S/C8H12O2/c1-7(2)5(9)8(3,4)6(7)10/h1-4H3
InChIKey RGCDVHNITQEYPO-UHFFFAOYSA-N
Instrument Name Bruker Tensor 27 FT-IR
Laser Wavenumber 15800.4 cm⁻¹
Low Folding Limit 0
Low Frequency Limit 0
Low Pass Filter 10
Measurement Channel Sample Compartment
Non Linearity Correction 0
Number of Points 3795
Number of Sample Scans 32
Optical Filter Setting Open
Peak Amplitude -1422
Peak Amplitude 2nd Channel 1
Peak Location 7367
Peak Location 2nd Channel 1
Phase Correction Mode Mertz
Phase Resolution 8
Physical State Solid
Preamplifier Gain 3
Preamplifier Gain Background 0
Purity >99.0%
Relative Humidity Interferometer 10 %
Resolution 4
SKU D0258-5G
SMILES CC1(C(C(C1=O)(C)C)=O)C
Sample Rotations 32
Sample Scans or Time Scans
Sample Spacing Divisor 1
Sample Spacing Multiplicator 1
Scan Time 27.304 s
Scanner Temperature 29.2 °C
Scanner Velocity 10 kHz
Signal Gain, Background automatic
Signal Gain, Sample automatic
Source of Spectrum Bio-Rad Laboratories, Inc.
Start Frequency Limit for File 4000 cm⁻¹
Synonyms Dimethyl ketene dimer; 2,2,4,4-Tetramethylcyclobutane-1,3-dione
Technique ATR-Neat
Zero Filling Factor 4