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Phthalic anhydride

View entire compound with spectra: 41 NMR, 11 FTIR, 2 Raman, and 22 MS (GC)

Phthalic anhydride
SpectraBase Compound ID VvpyFyfUcF
InChI InChI=1S/C8H4O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1-4H
InChIKey LGRFSURHDFAFJT-UHFFFAOYSA-N
Mol Weight 148.12 g/mol
Molecular Formula C8H4O3
Exact Mass 148.016044 g/mol

Attenuated Total Reflectance Infrared (ATR-IR) Spectrum

Attenuated Total Reflectance Infrared (ATR-IR) Spectrum

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SpectraBase Spectrum ID KHo0McmK1gG
Name Phthalic anhydride
Source of Sample Sigma-Aldrich Company Llc
Catalog Number 320064
Lot Number 21813DI
Accessory DurasamplIR II
CAS Registry Number 85-44-9
Classification intermediate in chemical synthesis
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Formula C8H4O3
InChI InChI=1S/C8H4O3/c9-7-5-3-1-2-4-6(5)8(10)11-7/h1-4H
InChIKey LGRFSURHDFAFJT-UHFFFAOYSA-N
Instrument Name Bio-Rad FTS
Source of Spectrum Forensic Spectral Research
Synonyms 1,2-Benzenedicarboxylic anhydride
Technique ATR-Neat (DuraSamplIR II)