FTIR ANALYSIS REPORT

FTIR Spectrum Analysis Report

No.: 20250514111503979839675 Date: 2025-05-14 17:40:02 Reported by: FTIR.fun Contact: [email protected]

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Top15

Similarity-ranked Top-15 library comparison

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Library spectrum will appear here.

Infrared spectrum comparison chart. Analysis result: oxygenated organic material with possible sulfonate or ether/alcohol-like functionality.

The ordinary FTIR search does not support a firm compound-level assignment for this sample. Although the nearest library name is sodium 2-[4-(2-sulfoethyl)piperazin-1-yl]ethanesulfonate, the match strength is effectively absent and there is no direct or related literature evidence to confirm that identity. The observed bands are more safely interpreted as indicating an oxygen-containing organic material, with the strong mid-IR absorptions near 1038 and 1197 cm⁻1 being broadly compatible with S=O or C–O containing functionality. Because the evidence is weak and non-specific, the most defensible conclusion is a broad oxygenated organic direction, with possible sulfonate or ether/alcohol-like character rather than a confirmed discrete substance

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 organic material with possible sulfonate or ether/alcohol-like functionality

General assessment

#32126 Initial rank 1 Current rank 1 Library lead match 0.0%

Conclusion

Library consensus points broadly to oxygen-containing chemistry.
Several leading library candidates contain sulfur-oxygen functionalities, so a sulfonate-like contribution is a reasonable possibility.
Bands at 1038 and 1197 cm⁻1 support the presence of strong C–O and/or S=O related vibrations.

Main limitation

The top library hit has zero effective similarity, so it cannot be treated as a reliable identification.

Evidence

Key evidence

Kết quả khớp hàng đầu từ thư viện

sodium 2-[4-(2-sulfoethyl)piperazin-1-yl]ethanesulfonate #32126 | match 0.0%

Hướng vật liệu

oxygenated organic material with possible sulfonate or ether/alcohol-like functionality The ordinary FTIR search does not support a firm compound-level assignment for this sample. Although the nearest library name is sodium 2-[4-(2-sulfoethyl)piperazin-1-yl]ethanesulfonate, the match strength is effectively absent and there is no direct or related literature evidence to confirm that identity. The observed bands are more safely interpreted as indicating an oxygen-containing organic material, with the strong mid-IR absorptions near 1038 and 1197 cm⁻1 being broadly compatible with S=O or C–O containing functionality. Because the evidence is weak and non-specific, the most defensible conclusion is a broad oxygenated organic direction, with possible sulfonate or ether/alcohol-like character rather than a confirmed discrete substance.

Support

Evidence supporting the conclusion

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

Library consensus points broadly to oxygen-containing chemistry.
Several leading library candidates contain sulfur-oxygen functionalities, so a sulfonate-like contribution is a reasonable possibility.
Bands at 1038 and 1197 cm⁻1 support the presence of strong C–O and/or S=O related vibrations.
The observed pattern is more compatible with a functionalized oxygen-containing organic material than with a simple hydrocarbon.
The sample shows bands at 747, 1038, 1197, 1468, and 2631 cm⁻1.
The strongest compositional clue from the library pattern is oxygen-containing chemistry; the Top-15 pattern also includes several candidates bearing sulfonate, phosphonate, alcohol, or ether-type groups.
The paired absorptions at 1038 and 1197 cm⁻1 are consistent with common oxygenated functional groups and can also occur in sulfur-oxygen functionalities such as sulfonates or sulfonic-acid-derived species.
The 1468 cm⁻1 band is compatible with aliphatic deformation modes but is not specific to a single material class.
The 747 cm⁻1 band may reflect ring-related or other fingerprint-region motion, but it is not sufficient to establish an aromatic or specific heterocyclic structure.
The isolated band at 2631 cm⁻1 is unusual and, without corroborating bands, does not securely establish a distinctive acidic or amine salt assignment.

Limitations

Evidence that limits the conclusion

The top library hit has zero effective similarity, so it cannot be treated as a reliable identification.
The Top-15 candidates are chemically heterogeneous, which limits confidence in any narrow assignment.
The current peak list does not provide the characteristic supporting pattern needed to confirm the specific piperazine disulfonate library name.
It remains uncertain whether the 1038 and 1197 cm⁻1 bands arise mainly from sulfonate/sulfonic acid chemistry or from more general C–O containing functionality.
The presence or absence of broader O–H, N–H, aromatic ring, and additional sulfur-oxygen bands is not established from the current evidence packet.
The 2631 cm⁻1 feature is not sufficiently contextualized to determine whether it is sample-related, a weak overtone/combination band, or an artifact.
A specific compound identity cannot be defended from the current search evidence alone.

Recommendation

Suggested next verification

Recollect the FTIR spectrum at higher signal quality and review the full band shape, especially in the 1300-900 cm⁻1 region where sulfonate and ether/alcohol features can be better separated.
Check for accompanying characteristic bands expected for sulfonates or sulfonic acids, including additional strong sulfur-oxygen absorptions and any broad acidic O–H envelope.
Inspect the 3600-2800 cm⁻1 region carefully to determine whether O–H, N–H, or C–H stretching bands are present and whether 2631 cm⁻1 is reproducible.
If the sample is important to identify specifically, use a complementary method such as Raman, ion chromatography for inorganic/ionic sulfur species, or mass spectrometry to test the sulfonate hypothesis.

Peak analysis

Detected peaks and interpretation

★ = Literature-supported peak assignment.

Index	Characteristic	Wavenumber	Absorbance	Evidence	One-line interpretation	Citation	Confidence
1	·	1197	1.00	-	-	-	-
2	·	1038	0.86	-	-	-	-
3	·	747	0.35	-	-	-	-
4	·	2631	0.32	-	-	-	-
5	·	1468	0.15	-	-	-	-

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:

oxygenated organic material with possible sulfonate or ether/alcohol-like functionality

FTIR Spectrum Analysis Report

Similarity-ranked Top-15 library comparison

Reference library candidates

oxygenated organic material with possible sulfonate or ether/alcohol-like functionality

Key evidence

Evidence supporting the conclusion

Evidence that limits the conclusion

Suggested next verification

Detected peaks and interpretation

Sample information and raw spectrum

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Hỗ trợ trực tuyến

oxygenated organic material with possible sulfonate or ether/alcohol-like functionality

Similarity-ranked Top-15 library comparison

Reference library candidates

oxygenated organic material with possible sulfonate or ether/alcohol-like functionality

Key evidence

Evidence supporting the conclusion

Evidence that limits the conclusion

Suggested next verification

Detected peaks and interpretation

Sample information and raw spectrum

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