John Wiley & Sons, Inc. SpectraBase; SpectraBase Compound ID=CWsOjZjLDyo SpectraBase Spectrum ID=1IeKU6MQDeR

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Gentisic acid
SpectraBase Compound ID CWsOjZjLDyo
InChI InChI=1S/C7H6O4/c8-4-1-2-6(9)5(3-4)7(10)11/h1-3,8-9H,(H,10,11)
Mol Weight 154.12 g/mol
Molecular Formula C7H6O4
Exact Mass 154.026609 g/mol

Attenuated Total Reflectance Infrared (ATR-IR) Spectrum

Attenuated Total Reflectance Infrared (ATR-IR) Spectrum

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SpectraBase Spectrum ID 1IeKU6MQDeR
Name 2,5-Dihydroxybenzoic acid
Source of Sample TCI Chemicals India Pvt. Ltd.
Catalog Number D2933
Lot Number 6B2YI-DN
Accessory DuraSample IR #145404C7
Acquisition Mode double sided, forward-backward
Actual Signal Gain 8
Actual Signal Gain 2nd Channel 1
Additional Data Treatment 1
Analog Signal 1 0.270249
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 -1840
Backward Peak Location 7369
Beam Splitter Setting KBr
CAS Registry Number 490-79-9
Color Properties White-pale yellow
Container ID C-009567
Copyright Copyright © 2018-2021 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 C7H6O4
Frequency of First Point 3998.34 cm⁻¹
Frequency of Last Point 339.463 cm⁻¹
High Folding Limit 15800.5
High Frequency Limit 8000 cm⁻¹
High Pass Filter 0
InChI InChI=1S/C7H6O4/c8-4-1-2-6(9)5(3-4)7(10)11/h1-3,8-9H,(H,10,11)
Instrument Name Bruker Tensor 27 FT-IR
Laser Wavenumber 15800.5 cm⁻¹
Low Folding Limit 0
Low Frequency Limit 0
Low Pass Filter 10
Measurement Channel Sample Compartment
Molecular Weight 154.121 g/mol
Non Linearity Correction 0
Number of Points 3795
Number of Sample Scans 32
Optical Filter Setting Open
Peak Amplitude -1855
Peak Amplitude 2nd Channel 1
Peak Location 7366
Peak Location 2nd Channel 1
Phase Correction Mode Mertz
Phase Resolution 8
Physical State Solid
Preamplifier Gain 3
Preamplifier Gain Background 0
Purity 99%
Relative Humidity Interferometer 20 %
Resolution 4
SKU D2933-1G
SMILES Oc1ccc(c(C(O)=O)c1)O
Sample Comments Sample ground at metal edge of ATR
Sample Rotations 32
Sample Scans or Time Scans
Sample Spacing Divisor 1
Sample Spacing Multiplicator 1
Scan Time 27.301 s
Scanner Temperature 26.1 °C
Scanner Velocity 10 kHz
Signal Gain, Background automatic
Signal Gain, Sample automatic
Source of Spectrum Bio-Rad Laboratories, Inc.
SpectraBase Batch ID CPxEQliBexM
Start Frequency Limit for File 4000 cm⁻¹
Synonyms Gentisic acid
Technique ATR-Neat
Zero Filling Factor 4