≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at 2-8°C,Argon charged Ships Wet ice 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 7 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
4-Methoxythiophenol was used in preparing samples for self-assembled monolayers (SAM′s) characterization and to study SAM’s effect on both n- and p-channel organic thin film transistors. 4-Methoxythiophenol was used in cesium fluoride-Celite catalyzed preparation of thioethers and thioesters.
| Pubchem Sid | 508809685 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/508809685 |
| Canonical Smiles | COC1=CC=C(C=C1)S |
| IUPAC Name | 4-methoxybenzenethiol |
| InChIKey | NIFAOMSJMGEFTQ-UHFFFAOYSA-N |
| INCHI | 1S/C7H8OS/c1-8-6-2-4-7(9)5-3-6/h2-5,9H,1H3 |
| Isomeric SMILES | COC1=CC=C(C=C1)S |
| WGK Germany | 3 |
| RTECS | DC1800000 |
| UN Number | 2810 |
| Packing Group | III |
| Molecular Weight | 140.2 |
| Beilstein | 1446910 |
| Reaxy-Rn | 1446910 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1446910&ln= |
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 | Benzenoids |
| Class | Thiophenols |
| Subclass | Not available |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Thiophenols |
| Alternative Parents | Phenoxy compounds Methoxybenzenes Anisoles Alkyl aryl ethers Thiols Hydrocarbon derivatives |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | Phenoxy compound - Methoxybenzene - Thiophenol - Phenol ether - Anisole - Alkyl aryl ether - Monocyclic benzene moiety - Arylthiol - Ether - Organic oxygen compound - Hydrocarbon derivative - Organosulfur compound - Organooxygen compound - Aromatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as thiophenols. These are compounds containing a thiophenol ring, which a phenol derivative obtained by replacing the oxygen atom from the hydroxyl group (attached to the benzene) by a sulfur atom. |
| 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 |
|---|---|---|---|
 I2610138 | Certificate of Analysis | Sep 16, 2026 | M101780 |
| I2610139 | Certificate of Analysis | Sep 15, 2026 | M101780 |
| K2421075 | Certificate of Analysis | Aug 04, 2026 | M101780 |
| F2629027 | Certificate of Analysis | Jul 10, 2026 | M101780 |
| A2213504 | Certificate of Analysis | Jun 06, 2025 | M101780 |
| A2213485 | Certificate of Analysis | Jun 06, 2025 | M101780 |
| A2213521 | Certificate of Analysis | Jun 06, 2025 | M101780 |
| E2526259 | Certificate of Analysis | May 27, 2025 | M101780 |
| H2104195 | Certificate of Analysis | Feb 07, 2025 | M101780 |
| L2423216 | Certificate of Analysis | Jul 09, 2024 | M101780 |
| L2423215 | Certificate of Analysis | Jul 09, 2024 | M101780 |
| G2510015 | Certificate of Analysis | Jul 09, 2024 | M101780 |
| A2620129 | Certificate of Analysis | Jul 09, 2024 | M101780 |
| G2028182 | Certificate of Analysis | Feb 22, 2024 | M101780 |
| A2213512 | Certificate of Analysis | Oct 11, 2023 | M101780 |
| H2104194 | Certificate of Analysis | May 10, 2023 | M101780 |
| K2408138 | Certificate of Analysis | Dec 14, 2021 | M101780 |
| Solubility | Not miscible or difficult to mix. |
|---|---|
| Sensitivity | Air sensitive. |
| x_refractive_index | 1.5831 |
| x_flash_point_drop_fahrenheit | 204.8 °F |
| x_flash_point_drop_centigrade | 96 °C |
| x_boil_point_char | 100-103°C/13mmHg |
| Molecular Weight | 140.200 g/mol |
| XLogP3 | 2.300 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 140.03 Da |
| Monoisotopic Mass | 140.03 Da |
| Topological Polar Surface Area | 10.200 Ų |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Complexity | 77.000 |
| 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 |
