Determine the necessary mass, volume, or concentration for preparing a solution.
≥97% 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 4 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 504757189 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504757189 |
| Canonical Smiles | CC1=C(C=CC(=C1)C=O)O |
| IUPAC Name | 4-hydroxy-3-methylbenzaldehyde |
| InChIKey | BAKYASSDAXQKKY-UHFFFAOYSA-N |
| INCHI | 1S/C8H8O2/c1-6-4-7(5-9)2-3-8(6)10/h2-5,10H,1H3 |
| Isomeric SMILES | CC1=C(C=CC(=C1)C=O)O |
| WGK Germany | 3 |
| Molecular Weight | 136.15 |
| Reaxy-Rn | 1928017 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1928017&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 | Organic oxygen compounds |
| Class | Organooxygen compounds |
| Subclass | Carbonyl compounds |
| Intermediate Tree Nodes | Aldehydes - Aryl-aldehydes - Benzaldehydes |
| Direct Parent | Hydroxybenzaldehydes |
| Alternative Parents | Ortho cresols Benzoyl derivatives Toluenes 1-hydroxy-2-unsubstituted benzenoids Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | Hydroxybenzaldehyde - O-cresol - Benzoyl - 1-hydroxy-2-unsubstituted benzenoid - Toluene - Phenol - Benzenoid - Monocyclic benzene moiety - Organic oxide - Hydrocarbon derivative - Aromatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as hydroxybenzaldehydes. These are organic aromatic compounds containing a benzene ring carrying an aldehyde group and a hydroxyl group. |
| 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 |
|---|---|---|---|
| Certificate of Analysis | Dec 10, 2025 | H124186 | |
| Certificate of Analysis | Nov 14, 2025 | H124186 | |
| Certificate of Analysis | Nov 14, 2025 | H124186 | |
| Certificate of Analysis | Nov 14, 2025 | H124186 | |
| Certificate of Analysis | May 08, 2023 | H124186 |
| Solubility | Soluble in Methanol |
|---|---|
| Sensitivity | Air Sensitive |
| Melt Point(°C) | 118-120°C |
| Molecular Weight | 136.150 g/mol |
| XLogP3 | 0.800 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 1 |
| Exact Mass | 136.052 Da |
| Monoisotopic Mass | 136.052 Da |
| Topological Polar Surface Area | 37.300 Ų |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Complexity | 122.000 |
| 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 |
| 1. Lu Xiaowen, Guo Chunmu, Zhang Mingyang, Leng Leipeng, Horton J. Hugh, Wu Wei, Li Zhijun. (2021) Rational design of palladium single-atoms and clusters supported on silicoaluminophosphate-31 by a photochemical route for chemoselective hydrodeoxygenation of vanillin. Nano Research, 14 (11): (4347-4355). [PMID:] [10.1007/s12274-021-3857-2] |
| 2. Zhijun Li, Xiaowen Lu, Weiwei Sun, Leipeng Leng, Mingyang Zhang, Honghong Li, Lu Bai, Dundong Yuan, J. Hugh Horton, Qian Xu, Jun Wang. (2021) One-step synthesis of single palladium atoms in WO2.72 with high efficiency in chemoselective hydrodeoxygenation of vanillin. APPLIED CATALYSIS B-ENVIRONMENTAL, [PMID:] [10.1016/j.apcatb.2021.120535] |
| 3. Hongyu Qu, Xiangcheng Li, Xiao Han, Junjie Li, Xinqiang Feng, Chuang Liu, Zhendong Wang, Weimin Yang. (2024) Ni-Supported Germanosilicate Zeolite SCM-14 for Efficient Hydrogenolysis of 5-Hydroxymethylfurfural to 2,5-Dimethylfuran. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, [PMID:] [10.1021/acs.iecr.4c03041] |
| 4. Qunfeng Chen, Daobin Tang, Qi Zhang, Zhiyuan Tang, Longlong Ma, Xinghua Zhang. (2025) Electron-metal support interactions enhanced by W-O-Zr interface in Pd-UiO-66 catalyst for efficient HDO of lignin derivatives at room temperature. CHEMICAL ENGINEERING JOURNAL, [PMID:] [10.1016/j.cej.2025.163903] |