Determine the necessary mass, volume, or concentration for preparing a solution.
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AR, ≥99% AR for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Protected from light,Room temperature,Argon charged Ships FedEx DG Service 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 468 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
1,2-Dihydroxybenzene (a phenolic compound) is a useful industrial chemical. It is an ortho isomeric form of dihydroxybenzene. It is commonly referred to as catechol or pyrocatechol. Its standard molar enthalpy of combustion and sublimation at 298.15K have been evaluated by static-bomb calorimetry and microcalorimetry, respectively.
1,2-Dihydroxybenzene may be used as raw material for the industrial synthesis of rubber, dyes, plastics, pharmaceuticals and cosmetics. 1,2-Dihydroxybenzene in combination with amberlite XAD-2, can be used as a chelating resin in the determination of metal ions, using atomic absorption spectrophotometry (AAS).
Comprehensive hazard, handling, storage, and regulatory compliance document.
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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 | Benzenediols |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Catechols |
| Alternative Parents | 1-hydroxy-4-unsubstituted benzenoids 1-hydroxy-2-unsubstituted benzenoids Benzene and substituted derivatives Organooxygen compounds Hydrocarbon derivatives |
| Molecular Framework | Aromatic homomonocyclic compounds |
| Substituents | Catechol - 1-hydroxy-4-unsubstituted benzenoid - 1-hydroxy-2-unsubstituted benzenoid - Monocyclic benzene moiety - Organic oxygen compound - Hydrocarbon derivative - Organooxygen compound - Aromatic homomonocyclic compound |
| Description | This compound belongs to the class of organic compounds known as catechols. These are compounds containing a 1,2-benzenediol moiety. |
| External Descriptors | a catechol |
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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 | Sep 04, 2026 | C110637 | |
| Certificate of Analysis | Sep 04, 2026 | C110637 | |
| Certificate of Analysis | Sep 04, 2026 | C110637 | |
| Certificate of Analysis | Sep 04, 2026 | C110637 | |
| Certificate of Analysis | Jul 30, 2026 | C110637 | |
| Certificate of Analysis | Dec 11, 2025 | C110637 | |
| Certificate of Analysis | Dec 11, 2025 | C110637 | |
| Certificate of Analysis | Dec 11, 2025 | C110637 | |
| Certificate of Analysis | Dec 11, 2025 | C110637 | |
| Certificate of Analysis | Dec 11, 2025 | C110637 | |
| Certificate of Analysis | Dec 11, 2025 | C110637 | |
| Certificate of Analysis | Dec 11, 2025 | C110637 | |
| Certificate of Analysis | Dec 11, 2025 | C110637 | |
| Certificate of Analysis | Dec 11, 2025 | C110637 | |
| Certificate of Analysis | Dec 08, 2025 | C110637 | |
| Certificate of Analysis | Dec 08, 2025 | C110637 | |
| Certificate of Analysis | Oct 20, 2025 | C110637 | |
| Certificate of Analysis | Oct 20, 2025 | C110637 | |
| Certificate of Analysis | Oct 20, 2025 | C110637 | |
| Certificate of Analysis | Oct 20, 2025 | C110637 | |
| Certificate of Analysis | Oct 20, 2025 | C110637 | |
| Certificate of Analysis | Oct 20, 2025 | C110637 | |
| Certificate of Analysis | Oct 20, 2025 | C110637 | |
| Certificate of Analysis | Jul 30, 2025 | C110637 | |
| Certificate of Analysis | Feb 26, 2025 | C110637 | |
| Certificate of Analysis | Feb 26, 2025 | C110637 | |
| Certificate of Analysis | Feb 26, 2025 | C110637 | |
| Certificate of Analysis | Feb 26, 2025 | C110637 | |
| Certificate of Analysis | Feb 26, 2025 | C110637 | |
| Certificate of Analysis | Feb 26, 2025 | C110637 | |
| Certificate of Analysis | Feb 26, 2025 | C110637 | |
| Certificate of Analysis | Jun 22, 2024 | C110637 | |
| Certificate of Analysis | Jun 22, 2024 | C110637 | |
| Certificate of Analysis | Jun 22, 2024 | C110637 | |
| Certificate of Analysis | Jun 22, 2024 | C110637 | |
| Certificate of Analysis | Jun 22, 2024 | C110637 | |
| Certificate of Analysis | Jun 22, 2024 | C110637 | |
| Certificate of Analysis | Jun 22, 2024 | C110637 | |
| Certificate of Analysis | Jun 22, 2024 | C110637 | |
| Certificate of Analysis | Jun 22, 2024 | C110637 | |
| Certificate of Analysis | May 06, 2024 | C110637 | |
| Certificate of Analysis | May 06, 2024 | C110637 | |
| Certificate of Analysis | Sep 15, 2023 | C110637 | |
| Certificate of Analysis | Sep 15, 2023 | C110637 | |
| Certificate of Analysis | Sep 15, 2023 | C110637 | |
| Certificate of Analysis | Jun 06, 2023 | C110637 | |
| Certificate of Analysis | Apr 20, 2023 | C110637 | |
| Certificate of Analysis | Apr 20, 2023 | C110637 | |
| Certificate of Analysis | Apr 20, 2023 | C110637 | |
| Certificate of Analysis | Apr 20, 2023 | C110637 | |
| Certificate of Analysis | Apr 20, 2023 | C110637 | |
| Certificate of Analysis | Apr 20, 2023 | C110637 | |
| Certificate of Analysis | Feb 15, 2023 | C110637 | |
| Certificate of Analysis | Feb 15, 2023 | C110637 | |
| Certificate of Analysis | Feb 15, 2023 | C110637 | |
| Certificate of Analysis | Nov 28, 2022 | C110637 | |
| Certificate of Analysis | Nov 28, 2022 | C110637 | |
| Certificate of Analysis | Nov 28, 2022 | C110637 | |
| Certificate of Analysis | Nov 28, 2022 | C110637 | |
| Certificate of Analysis | Nov 28, 2022 | C110637 | |
| Certificate of Analysis | Nov 28, 2022 | C110637 | |
| Certificate of Analysis | Nov 28, 2022 | C110637 | |
| Certificate of Analysis | Nov 28, 2022 | C110637 | |
| Certificate of Analysis | Nov 28, 2022 | C110637 | |
| Certificate of Analysis | Mar 12, 2022 | C110637 | |
| Certificate of Analysis | Mar 12, 2022 | C110637 | |
| Certificate of Analysis | Mar 12, 2022 | C110637 | |
| Certificate of Analysis | Mar 12, 2022 | C110637 | |
| Certificate of Analysis | Mar 12, 2022 | C110637 | |
| Certificate of Analysis | Mar 12, 2022 | C110637 | |
| Certificate of Analysis | Mar 12, 2022 | C110637 | |
| Certificate of Analysis | Mar 12, 2022 | C110637 | |
| Certificate of Analysis | Mar 12, 2022 | C110637 | |
| Certificate of Analysis | Mar 12, 2022 | C110637 | |
| Certificate of Analysis | Mar 12, 2022 | C110637 |
| Solubility | Soluble in water, pyridine, chloroform, benzene, carbon tetrachloride, ether and acetate. |
|---|---|
| Sensitivity | Air sensitive.Light sensitive. |
| Flash Point(°F) | 260.6 °F - closed cup |
| Flash Point(°C) | 127°C- closed cup |
| Boil Point(°C) | 245°C |
| Melt Point(°C) | 100-103 °C (lit.) |
| Molecular Weight | 110.110 g/mol |
| XLogP3 | 0.900 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 110.037 Da |
| Monoisotopic Mass | 110.037 Da |
| Topological Polar Surface Area | 40.500 Ų |
| Heavy Atom Count | 8 |
| Formal Charge | 0 |
| Complexity | 62.900 |
| 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 |
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