≥96%(GC) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature,Argon charged Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 2 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
1-Undecanethiol (UDT) is an alkanethiol that forms a self-assembled monolayer (SAM) on a variety of surfaces. It immobilizes the surface atoms and enhances the absorption of proteins. It can be synthesized by reacting bromo-1-undecanol and thiourea and subsequent purification using ethyl acetate.
| Pubchem Sid | 504753854 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504753854 |
| Canonical Smiles | CCCCCCCCCCCS |
| IUPAC Name | undecane-1-thiol |
| InChIKey | CCIDWXHLGNEQSL-UHFFFAOYSA-N |
| INCHI | 1S/C11H24S/c1-2-3-4-5-6-7-8-9-10-11-12/h12H,2-11H2,1H3 |
| Isomeric SMILES | CCCCCCCCCCCS |
| PubChem CID | 62570 |
| UN Number | 1228 |
| Packing Group | II |
| Molecular Weight | 188.37 |
| Beilstein | 1(4)1838 |
| Reaxy-Rn | 1736161 |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organosulfur compounds |
| Class | Thiols |
| Subclass | Alkylthiols |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Alkylthiols |
| Alternative Parents | Hydrocarbon derivatives |
| Molecular Framework | Aliphatic acyclic compounds |
| Substituents | Alkylthiol - Hydrocarbon derivative - Aliphatic acyclic compound |
| Description | This compound belongs to the class of organic compounds known as alkylthiols. These are organic compounds containing the thiol functional group linked to an alkyl chain. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 E2621749 | Certificate of Analysis | May 06, 2026 | U162892 |
| E2621750 | Certificate of Analysis | May 06, 2026 | U162892 |
| I2525488 | Certificate of Analysis | Sep 15, 2025 | U162892 |
| I2525489 | Certificate of Analysis | Sep 15, 2025 | U162892 |
| D2523337 | Certificate of Analysis | Apr 07, 2025 | U162892 |
| D2523338 | Certificate of Analysis | Apr 07, 2025 | U162892 |
| L2413720 | Certificate of Analysis | Nov 20, 2024 | U162892 |
| L2413730 | Certificate of Analysis | Nov 20, 2024 | U162892 |
| L2413759 | Certificate of Analysis | Nov 20, 2024 | U162892 |
| E2422473 | Certificate of Analysis | Apr 19, 2024 | U162892 |
| Solubility | Insoluble in water |
|---|---|
| Sensitivity | Air sensitive |
| Refractive Index | 1.46 |
| Flash Point(°F) | 219.9 °F |
| Flash Point(°C) | 109°C(lit.) |
| Boil Point(°C) | 104°C/3mmHg(lit.) |
| Melt Point(°C) | -3°C(lit.) |
| Molecular Weight | 188.380 g/mol |
| XLogP3 | 5.600 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 9 |
| Exact Mass | 188.16 Da |
| Monoisotopic Mass | 188.16 Da |
| Topological Polar Surface Area | 1.000 Ų |
| Heavy Atom Count | 12 |
| Formal Charge | 0 |
| Complexity | 71.400 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
| 1. Ximing Huang, Jingchao Chen, Chunxia Yan, Haixia Guo, Huibo Shao. (2020) Probing Charge Reversal of Zwitterion at Defects on Self-Assembled Monolayers by Scanning Electrochemical Microscopy. Journal of Physical Chemistry C, [PMID:] [10.1021/acs.jpcc.0c01661] |
| 2. Yan Zhang, Jianlin Yang, Yali Zhao, Zhecun Wang. (2025) Molecularly engineered under-liquid dual superlyophobic coatings for efficient and on-demand oil/water separation. JOURNAL OF MEMBRANE SCIENCE, [PMID:] [10.1016/j.memsci.2025.124603] |
