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oxygenated organic material with ester and ether features, possibly containing a methyl-substituted siloxane component

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Sonuç No.: 20250602133159822651129 Sahip: publicuser Yorumlar: 0
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FTIR ANALYSIS REPORT

FTIR Spectrum Analysis Report

No.: 20250602133159822651129 Date: 2025-06-02 18:33:38 Reported by: FTIR.fun Contact: [email protected]

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Top15

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Top 15 candidates

Reference library candidates

Rank Match % Compound Name Formula / SMILES Library preview Action
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Based on the library matches and evidence above.

Conclusion

oxygenated organic material with ester and ether features, possibly containing a methyl-substituted siloxane component

General assessment
-
#10829 Initial rank 1 Current rank 1 Library lead match 0.0%
Conclusion
  1. The observed 1734 cm-1 band supports an ester-bearing material.
  2. Multiple C–O region absorptions near 1239, 1203, 1097, and 1017 cm-1 support oxygenated organic functionality rather than a simple hydrocarbon.
  3. The library Top-15 contains several acetate, acetal/ether, and ester-polymer candidates, which is broadly consistent with the sample's carbonyl plus C–O pattern.
Main limitation

All listed library similarities are 0.000, so the leading hit does not provide direct match support for a specific named compound.

Evidence & interpretation
Evidence

Key evidence

Kütüphane lider eşleşmesi
1-methoxypropan-2-yl acetate #10829 | match 0.0%
Malzeme yönü
oxygenated organic material with ester and ether features, possibly containing a methyl-substituted siloxane component The current FTIR pattern is too weakly matched for a firm compound-level assignment. The sample is more safely described as an oxygenated organic material showing ester-like carbonyl absorption together with C–O stretching bands, and it may also include a methyl-rich silicon-containing component. The nearest library hit is 1-methoxypropan-2-yl acetate, but the retrieval confidence is effectively absent, so that name should be treated only as the closest library label rather than an identification.
Support

Evidence supporting the conclusion

Only sample-relevant statements that support the present conclusion are shown here.

  1. The current FTIR pattern is too weakly matched for a firm compound-level assignment. The sample is more safely described as an oxygenated organic material showing ester-like carbonyl absorption together with C–O stretching bands, and it may also include a methyl-rich silicon-containing component. The nearest library hit is 1-methoxypropan-2-yl acetate, but the retrieval confidence is effectively absent, so that name should be treated only as the closest library label rather than an identification.
  2. The observed 1734 cm-1 band supports an ester-bearing material.
  3. Multiple C–O region absorptions near 1239, 1203, 1097, and 1017 cm-1 support oxygenated organic functionality rather than a simple hydrocarbon.
  4. The library Top-15 contains several acetate, acetal/ether, and ester-polymer candidates, which is broadly consistent with the sample's carbonyl plus C–O pattern.
  5. The library consensus also mentions methyl / silicon, and the 825 cm-1 feature is compatible with that broader possibility.
  6. A strong band at 1734 cm-1 supports a saturated ester-type carbonyl.
  7. Bands at 1239, 1203, 1097, and 1017 cm-1 are consistent with C–O stretching expected for ester and/or ether functionality.
  8. Bands at 1453, 1371, and 2872 cm-1 support aliphatic methyl/methylene content.
  9. The low-wavenumber bands at 964 and 825 cm-1 are not by themselves specific, but they are compatible with methyl-substituted silicon-containing materials in some formulations.
  10. The Top-15 library pattern is chemically mixed but repeatedly points to oxygenated, methyl-containing species such as acetates, methoxy compounds, acrylate/methacrylate materials, and one silicon-leaning consensus clue.
Limitations

Evidence that limits the conclusion

  • All listed library similarities are 0.000, so the leading hit does not provide direct match support for a specific named compound.
  • The candidate list mixes small oxygenated solvents, polymers, and other unrelated structures, which limits confidence in any narrow assignment.
  • The available peak set does not independently establish a unique silicon-containing material; the silicon suggestion is only a bounded possibility from the broader pattern.
  • It remains unclear whether the sample is a single ester/ether compound, an acrylate- or methacrylate-type material, or a mixture containing a silicon-based additive or matrix component.
  • The present data do not distinguish well between a small oxygenated acetate-like molecule and an oxygenated polymer/resin fragment with similar C–O and carbonyl bands.
  • Because no literature-backed reference match was recovered, the conclusion should remain at the level of a chemically supportable direction rather than a material identity.
Recommendation

Suggested next verification

  • Check for additional FTIR bands outside the current list, especially 2950-2850 cm-1, 1260-800 cm-1 fine structure, and any broad O-H or distinctive Si-O-Si absorptions, to separate ester/ether organics from siloxane-containing material.
  • Run GC-MS if the sample is volatile or extractable to test whether a small acetate solvent such as 1-methoxypropan-2-yl acetate is actually present.
  • If the sample is nonvolatile or film-like, collect ATR-FTIR with higher signal quality and compare specifically against ester polymers, acrylic materials, and silicone-containing coatings.
  • If silicon remains a concern, verify by elemental screening such as XRF, SEM-EDS, or a silicon-focused wet-chemical or spectroscopic test.
Peak analysis

Detected peaks and interpretation

★ = Literature-supported peak assignment.

Index Characteristic Wavenumber Absorbance Evidence One-line interpretation Citation Confidence
1 · 1097 1.00 - - - -
2 · 1239 0.91 - - - -
3 · 1734 0.66 - - - -
4 · 1017 0.51 - - - -
5 · 1371 0.41 - - - -
6 · 964 0.40 - - - -
7 · 1203 0.30 - - - -
8 · 2872 0.26 - - - -
9 · 1453 0.24 - - - -
10 · 825 0.23 - - - -
Appendix

Sample information and raw spectrum

Original uploaded spectrum for reference and verification.

Baseline correction method: Asymmetric Least Squares Smoothing

The wavelength range for analysis(cm-1): [(650, 4000)]

Raw spectrum without baseline correction or other processing:

Sample spectrum image
Tartışma

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