Ester — FTIR absorption peaks and assignments
These are the characteristic FTIR wavenumbers where Ester tends to absorb, compiled from published literature and ranked by supporting evidence. Each assignment is traceable to a source (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 8 cited sources
Characteristic FTIR peaks for Ester
| Bølgetall (cm⁻¹) | Støttende fakta | Siterte kilder | Toppkonfidens |
|---|---|---|---|
| 1730 | 13 | 11 | 1.0 |
| 1740 | 8 | 8 | 0.95 |
| 1725 | 6 | 6 | 0.9 |
| 1743 | 6 | 6 | 0.9 |
| 1720 | 6 | 5 | 0.9 |
| 1745 | 5 | 5 | 0.95 |
| 1735 | 4 | 4 | 0.9 |
| 1724 | 3 | 3 | 0.9 |
| 1751 | 3 | 3 | 0.9 |
| 1734 | 3 | 3 | 0.9 |
| 1700 | 3 | 3 | 0.9 |
| 1741 | 3 | 3 | 0.9 |
| 1715 | 3 | 3 | 0.9 |
| 1736 | 3 | 3 | 0.9 |
| 1746 | 3 | 2 | 1.0 |
| 1732 | 3 | 2 | 0.9 |
| 1710 | 3 | 2 | 0.9 |
| 1729 | 2 | 2 | 1.0 |
| 1738 | 2 | 2 | 1.0 |
| 1733 | 2 | 2 | 0.95 |
| 1742 | 2 | 2 | 0.95 |
| 1737 | 2 | 2 | 0.9 |
| 1727 | 2 | 2 | 0.9 |
| 1750 | 2 | 2 | 0.9 |
| 1600 | 2 | 2 | 0.9 |
| 1000 | 2 | 2 | 0.9 |
| 3000 | 2 | 2 | 0.8 |
| 1721 | 2 | 1 | 0.95 |
| 1774 | 2 | 1 | 0.9 |
| 1723 | 1 | 1 | 1.0 |
Showing the 30 best-supported peaks of 97 total for Ester.
Litteratur bak disse tilordningene
-
1723 cm⁻¹ konfidens 1.0
“The other cm21 longed TC-HCl release, PHT-Na release behavior revealed that it peaks such as 1723 and 2941 corresponding to ester and can help the wound dressings to heal the wounds during 24 h carbon-hydrogen bonds in the chemical structur”
Askari 等 - 2016 - Three-layered electrospun PVAPCLPVA nanofibrous DOI: 10.1002/app.43309 -
1738 cm⁻¹ konfidens 1.0
“Peak at 1738 cm-1 due to vibrations of ester C=O.”
Sireesha 等 - 2015 - Biocompatible and biodegradable elastomerfibrinog DOI: 10.1039/c5ra20322h -
1730 cm⁻¹ konfidens 1.0
“Ester absorption band at ~1730 cm-1 from ν(C=O) ester.”
Ali 等 - 2018 - Application of FTIR and LA-ICPMS Spectroscopies as DOI: 10.3390/app8122436 -
1746 cm⁻¹ konfidens 1.0
“Explicit assignment in text.”
Alpandi 等 - 2022 - Characterization of Malaysian Jatropha Seed Oil an DOI: 10.3390/pr10122577 -
1248 cm⁻¹ konfidens 1.0
“Explicitly assigned to ester group vibrations.”
Chaparro 等 - 2023 - Biowaxes from Palm Oil as Promising Candidates for DOI: 10.3390/ma16124402 -
1729 cm⁻¹ konfidens 1.0
“IR spectrum in KBr showed absorption bands at cm-1 1729, 1288, 1124 due to the presence of ester group.”
Sisay 等 - 2021 - PHYTOCHEMICAL STUDIES OF MELILOTUS OFFICINALIS DOI: 10.4314/bcse.v35i1.12 -
1106 cm⁻¹ konfidens 1.0
“medium- to high-intensity bands at about 1106 and 991 are characteristic of O-C stretching vibration of ester functional groups”
Swiadro-Pieton 等 - 2022 - Fast and Noninvasive Hair Test for Preliminary Dia DOI: 10.3390/molecules27165318 -
1721 cm⁻¹ konfidens 0.95
“Explicit assignment in text: '1721 for the carbonyl (C=O) stretching of the ester group'”
Duangsri 等 - 2020 - Enhanced polyhydroxybutyrate (PHB) accumulation in DOI: 10.1007/s10811-020-02272-4
See Ester in your own spectrum
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