≥96% 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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Canonical Smiles | C1=C(C(=CC(=C1Cl)O)Cl)O |
|---|---|
| IUPAC Name | 2,5-dichlorobenzene-1,4-diol |
| InChIKey | AYNPIRVEWMUJDE-UHFFFAOYSA-N |
| INCHI | 1S/C6H4Cl2O2/c7-3-1-5(9)4(8)2-6(3)10/h1-2,9-10H |
| Isomeric SMILES | C1=C(C(=CC(=C1Cl)O)Cl)O |
| Molecular Weight | 179.00 |
| Reaxy-Rn | 2045064 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2045064&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 | Phenols |
| Subclass | 1,4-dihydroxy-2-halobenzenoids |
| Intermediate Tree Nodes | Not available |
| Direct Parent | 1,4-dihydroxy-2-halobenzenoids |
| Alternative Parents | Chlorohydroquinones O-chlorophenols M-chlorophenols Dichlorobenzenes 1-hydroxy-2-unsubstituted benzenoids Aryl chlorides Organooxygen compounds Organochlorides Hydrocarbon derivatives |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | 1,4-dihydroxy-2-halobenzenoid - Chlorohydroquinone - 1,4-dichlorobenzene - 3-halophenol - 2-halophenol - Hydroquinone - 3-chlorophenol - 2-chlorophenol - Chlorobenzene - Halobenzene - 1-hydroxy-2-unsubstituted benzenoid - Monocyclic benzene moiety - Aryl halide - Aryl chloride - Organohalogen compound - Organochloride - Organooxygen compound - Hydrocarbon derivative - Organic oxygen compound - Aromatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as 1,4-dihydroxy-2-halobenzenoids. These are aromatic compounds containing a 1,-2-dihydroxybenzene moiety, which carries an halogen atom at the ring 2-position. |
| External Descriptors | an organic chloride - a quinol |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 E2611028 | Certificate of Analysis | Oct 22, 2024 | D352399 |
| J2428306 | Certificate of Analysis | Oct 22, 2024 | D352399 |
| J2428307 | Certificate of Analysis | Oct 22, 2024 | D352399 |
| J2428310 | Certificate of Analysis | Oct 22, 2024 | D352399 |
| Melt Point(°C) | 168-171° C (lit.) |
|---|---|
| Molecular Weight | 179.000 g/mol |
| XLogP3 | 2.700 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 177.959 Da |
| Monoisotopic Mass | 177.959 Da |
| Topological Polar Surface Area | 40.500 Ų |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Complexity | 106.000 |
| 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. Shanshun Wang, Xiaowei Kang, Siying Wu, Lei Dong, Wei-Shi Li, Fu-Gang Zhao. (2025) Redox-active Quinone Cross-linked Gel Electrolytes Enabled High-performance Supercapacitors. ELECTROCHIMICA ACTA, [PMID:] [10.1016/j.electacta.2025.147289] |
