≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature 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.
| Pubchem Sid | 504765371 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504765371 |
| Canonical Smiles | C1=CC(=C(C(=C1)O)C=O)O |
| IUPAC Name | 2,6-dihydroxybenzaldehyde |
| InChIKey | DGXAGETVRDOQFP-UHFFFAOYSA-N |
| INCHI | 1S/C7H6O3/c8-4-5-6(9)2-1-3-7(5)10/h1-4,9-10H |
| Isomeric SMILES | C1=CC(=C(C(=C1)O)C=O)O |
| Molecular Weight | 138.12 |
| Reaxy-Rn | 2081489 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2081489&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 | Resorcinols Benzoyl derivatives 1-hydroxy-4-unsubstituted benzenoids 1-hydroxy-2-unsubstituted benzenoids Vinylogous acids Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | Hydroxybenzaldehyde - Resorcinol - Benzoyl - 1-hydroxy-4-unsubstituted benzenoid - 1-hydroxy-2-unsubstituted benzenoid - Phenol - Benzenoid - Monocyclic benzene moiety - Vinylogous acid - 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 | dihydroxybenzaldehyde |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 F2507057 | Certificate of Analysis | Jun 24, 2025 | D193136 |
| C2223609 | Certificate of Analysis | Jan 07, 2025 | D193136 |
| C2223615 | Certificate of Analysis | Jan 07, 2025 | D193136 |
| C2223628 | Certificate of Analysis | Jan 07, 2025 | D193136 |
| G2131174 | Certificate of Analysis | May 14, 2024 | D193136 |
| G2131175 | Certificate of Analysis | May 14, 2024 | D193136 |
| Molecular Weight | 138.120 g/mol |
|---|---|
| XLogP3 | 1.200 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 1 |
| Exact Mass | 138.032 Da |
| Monoisotopic Mass | 138.032 Da |
| Topological Polar Surface Area | 57.500 Ų |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Complexity | 114.000 |
| 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. Jialu Zhang, Yu Fu, Peng Chen, Bowen Liu, Cuiling Ren. (2025) New silicon nanoparticles for “turn-on” detection of salicylaldehyde in food based on ESIPT mechanism. FOOD CHEMISTRY, [PMID:40440837] [10.1016/j.foodchem.2025.144879] |
| 2. Haoran Ma, Yongchun Li, Nan Yang, Siyi Wang, Xiatiguli Kahaer, Mei Xiang, Bumaliya Abulimiti, Xiaoning Wang. (2026) Effects of substituents and solvent polarity on ESIPT and antioxidant activity of 2,6-Dihydroxybenzaldehyde. CHEMICAL PHYSICS LETTERS, [PMID:] [10.1016/j.cplett.2026.142681] |
