FTIR ANALYSIS REPORT

FTIR Spectrum Analysis Report

No.: 20250602134317378186542 Date: 2025-06-02 18:44:48 Reported by: FTIR.fun Contact: [email protected]

Download a professional, formatted PDF of this analysis.

Top15

Similarity-ranked Top-15 library comparison

Choose matching result groups:

Library spectrum will appear here.

Infrared spectrum comparison chart. Analysis result: oxygenated aliphatic organic compound, most consistent with an ester containing ether-like C-O bonds.

The FTIR pattern is most consistent with a small oxygenated aliphatic material containing a strong ester carbonyl and multiple C-O stretching bands. The nearest library name is 1-methoxypropan-2-yl acetate, but the library match quality is effectively non-discriminating and there is no direct or related literature support to confirm that exact compound. A broader assignment to an oxygenated ester-like organic material is therefore the most chemically supportable conclusion for this sample

Library spectrum Interactive sample curve Move the pointer to show the vertical guide line.

Top 15 candidates

Reference library candidates

Rank	Match %	Compound Name	Formula / SMILES	Library preview	Action
Reference candidates load with this Top-15 workbench.

Based on the library matches and evidence above.

Conclusion

oxygenated aliphatic organic compound, most consistent with an ester containing ether-like C-O bonds

General assessment

#10829 Initial rank 1 Current rank 1 Library lead match 0.0%

Conclusion

1736 cm-1 supports an ester-like carbonyl group.
1243, 1203, 1114, and 1018 cm-1 support C-O stretching expected for ester/ether-containing molecules.
2931 and 2873 cm-1 support aliphatic C-H stretching.

Main limitation

All reported library similarities are 0.000, so the retrieval does not provide a reliable discriminating match.

Evidence

Key evidence

Kết quả khớp hàng đầu từ thư viện

1-methoxypropan-2-yl acetate #10829 | match 0.0%

Hướng vật liệu

oxygenated aliphatic organic compound, most consistent with an ester containing ether-like C-O bonds The FTIR pattern is most consistent with a small oxygenated aliphatic material containing a strong ester carbonyl and multiple C-O stretching bands. The nearest library name is 1-methoxypropan-2-yl acetate, but the library match quality is effectively non-discriminating and there is no direct or related literature support to confirm that exact compound. A broader assignment to an oxygenated ester-like organic material is therefore the most chemically supportable conclusion for this sample.

Support

Evidence supporting the conclusion

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

1736 cm-1 supports an ester-like carbonyl group.
1243, 1203, 1114, and 1018 cm-1 support C-O stretching expected for ester/ether-containing molecules.
2931 and 2873 cm-1 support aliphatic C-H stretching.
1453 and 1372 cm-1 support alkyl bending vibrations, including methyl contribution.
The top library name, 1-methoxypropan-2-yl acetate, is chemically compatible with the observed ester plus C-O rich aliphatic pattern.
The sample shows a strong band at 1736 cm-1, which is characteristic of an ester-type carbonyl.
Bands at 1243, 1203, 1114, and 1018 cm-1 support substantial C-O single-bond stretching, consistent with ester and/or ether functionality.
Bands at 2931 and 2873 cm-1 with deformation bands at 1453 and 1372 cm-1 support an aliphatic hydrocarbon framework with methyl and methylene groups.
The overall peak set fits a low-molecular-weight oxygenated organic compound better than an aromatic, highly hydrogen-bonded, or strongly functionalized polymeric material.
Across the Top-15 library list, the recurring chemically plausible motif is oxygen-rich organic functionality, but the candidate set is internally inconsistent and not specific enough to justify a narrow compound call.

Limitations

Evidence that limits the conclusion

All reported library similarities are 0.000, so the retrieval does not provide a reliable discriminating match.
The Top-15 library candidates include chemically unrelated structures, which limits confidence in any single narrow identity.
A band near 2280 cm-1 is not explained by the leading ester candidate and may reflect an impurity, background contribution, or an additional component.
The present evidence supports an oxygenated ester-like material direction, but not a firm assignment to a single named compound.
It remains uncertain whether the sample is a pure solvent-like ester, a mixture, or a formulated material containing an ester-rich component.
The significance of the 2280 cm-1 feature needs confirmation before a narrower structural conclusion is made.

Recommendation

Suggested next verification

Re-run the FTIR with careful background subtraction and confirm whether the 2280 cm-1 band persists in the sample spectrum.
Check for ester confirmation by comparing the carbonyl region near 1736 cm-1 and the C-O region from about 1250 to 1000 cm-1 against an authentic spectrum of 1-methoxypropan-2-yl acetate.
If the material is volatile, verify by GC-MS to determine whether a single low-molecular-weight ester dominates.
If mixture is suspected, combine FTIR with GC-MS or headspace GC-MS to separate the main oxygenated component from minor contributors.

Peak analysis

Detected peaks and interpretation

★ = Literature-supported peak assignment.

Index	Characteristic	Wavenumber	Absorbance	Evidence	One-line interpretation	Citation	Confidence
1	·	1243	1.00	-	-	-	-
2	·	1114	0.98	-	-	-	-
3	·	1736	0.95	-	-	-	-
4	·	2873	0.52	-	-	-	-
5	·	1372	0.48	-	-	-	-
6	·	2931	0.47	-	-	-	-
7	·	1018	0.36	-	-	-	-
8	·	1203	0.32	-	-	-	-
9	·	1453	0.30	-	-	-	-
10	·	965	0.28	-	-	-	-
11	·	2280	0.12	-	-	-	-

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): [(1100, 1400)]

Raw spectrum without baseline correction or other processing:

oxygenated aliphatic organic compound, most consistent with an ester containing ether-like C-O bonds

FTIR Spectrum Analysis Report

Similarity-ranked Top-15 library comparison

Reference library candidates

oxygenated aliphatic organic compound, most consistent with an ester containing ether-like C-O bonds

Key evidence

Evidence supporting the conclusion

Evidence that limits the conclusion

Suggested next verification

Detected peaks and interpretation

Sample information and raw spectrum

Bình luận và bằng chứng tiếp theo

Hỗ trợ trực tuyến

oxygenated aliphatic organic compound, most consistent with an ester containing ether-like C-O bonds

Similarity-ranked Top-15 library comparison

Reference library candidates

oxygenated aliphatic organic compound, most consistent with an ester containing ether-like C-O bonds

Key evidence

Evidence supporting the conclusion

Evidence that limits the conclusion

Suggested next verification

Detected peaks and interpretation

Sample information and raw spectrum

Bình luận và bằng chứng tiếp theo

Các phân tích khác trong danh mục này

Hỗ trợ trực tuyến

Dùng thử miễn phí 7 ngày

Tài khoản đã được tạo!