≥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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 488180838 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488180838 |
| Canonical Smiles | C1=CC=C2C(=C1)C=CC(=C2O)N=O |
| IUPAC Name | 2-nitrosonaphthalen-1-ol |
| InChIKey | SYUYTOYKQOAVDW-UHFFFAOYSA-N |
| INCHI | 1S/C10H7NO2/c12-10-8-4-2-1-3-7(8)5-6-9(10)11-13/h1-6,12H |
| Isomeric SMILES | C1=CC=C2C(=C1)C=CC(=C2O)N=O |
| WGK Germany | 3 |
| RTECS | QL4550000 |
| Molecular Weight | 173.17 |
| Beilstein | 1867919 |
| Reaxy-Rn | 1867919 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=1867919&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 | Naphthalenes |
| Subclass | Naphthols and derivatives |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Naphthols and derivatives |
| Alternative Parents | 1-hydroxy-4-unsubstituted benzenoids Propargyl-type 1,3-dipolar organic compounds C-nitroso compounds Organopnictogen compounds Organooxygen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic homopolycyclic compounds |
| Substituents | 1-naphthol - 1-hydroxy-4-unsubstituted benzenoid - Organic nitroso compound - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - C-nitroso compound - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Aromatic homopolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as naphthols and derivatives. These are naphthalene derivatives carrying one or more hydroxyl (-OH) groups at any ring position. |
| 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 |
|---|---|---|---|
 I2201593 | Certificate of Analysis | Mar 10, 2026 | N100987 |
| I2201594 | Certificate of Analysis | Mar 10, 2026 | N100987 |
| I2201595 | Certificate of Analysis | Mar 10, 2026 | N100987 |
| I1812170 | Certificate of Analysis | Nov 06, 2025 | N100987 |
| I1812169 | Certificate of Analysis | Nov 05, 2025 | N100987 |
| F2411367 | Certificate of Analysis | Jun 19, 2024 | N100987 |
| I2127028 | Certificate of Analysis | Jul 18, 2023 | N100987 |
| I1812130 | Certificate of Analysis | May 05, 2022 | N100987 |
| Solubility | Insoluble in water; Soluble in Ethanol,Solution of sodium hydroxide in water |
|---|---|
| Sensitivity | Light Sensitive |
| Melt Point(°C) | 162-164°C |
| Molecular Weight | 173.170 g/mol |
| XLogP3 | 2.500 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 173.048 Da |
| Monoisotopic Mass | 173.048 Da |
| Topological Polar Surface Area | 49.700 Ų |
| Heavy Atom Count | 13 |
| Formal Charge | 0 |
| Complexity | 195.000 |
| 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. Fei Li, Jingquan Liu, Xiaole Gong, Fan Qiao, Junhui Chen, Honglei Liu. (2025) Spiropyran-functionalized alginate biomaterials with light-responsive fluorescence. EUROPEAN POLYMER JOURNAL, [PMID:] [10.1016/j.eurpolymj.2025.114237] |
