The store will not work correctly when cookies are disabled.
JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.
· · COA & SDS available for every product · Same-day shipping on in-stock items 4-Hydroxy-3-nitroso-1-naphthalenesulfonic Acid Hydrate - ≥98%(T) , CAS No.3682-32-4
Synonyms
NSC163381 | 1-Naphthalenesulfonic acid, 4-hydroxy-3-nitroso- | NSC 163381 | 1-NAPHTHOL-4-SULFONIC ACID, 2-NITROSO- | NSC148310 | NSC-148310 | GASPSNIEUBWWJU-UHFFFAOYSA-N | 1-HYDROXY-2-NITROSONAPHTHALENE-4-SULFONIC ACID | STL426772 | N0269 | 2-Nitroso-1-na
🧪
Why this grade ≥98%(T) for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
🌡
Storage & shipping Room temperature Ships Normal Check lot-specific COA for exact specifications.
📋
Quality documents SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
📚
Literature proof Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Specifications Synonyms
NSC163381 | 1-Naphthalenesulfonic acid, 4-hydroxy-3-nitroso- | NSC 163381 | 1-NAPHTHOL-4-SULFONIC ACID, 2-NITROSO- | NSC148310 | NSC-148310 | GASPSNIEUBWWJU-UHFFFAOYSA-N | 1-HYDROXY-2-NITROSONAPHTHALENE-4-SULFONIC ACID | STL426772 | N0269 | 2-Nitroso-1-na
Specifications & Purity
≥98%(T)
Names and Identifiers Canonical Smiles C1=CC=C2C(=C1)C(=CC(=C2O)N=O)S(=O)(=O)O IUPAC Name 4-hydroxy-3-nitrosonaphthalene-1-sulfonic acid InChIKey GASPSNIEUBWWJU-UHFFFAOYSA-N INCHI 1S/C10H7NO5S/c12-10-7-4-2-1-3-6(7)9(17(14,15)16)5-8(10)11-13/h1-5,12H,(H,14,15,16) Isomeric SMILES C1=CC=C2C(=C1)C(=CC(=C2O)N=O)S(=O)(=O)O Molecular Weight 253.23 Reaxy-Rn 2136360 Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2136360&ln=
Documentation 📋 Safety Data Sheet (SDS) Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS → ✅ Certificate of Analysis (COA) Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA → 📊 Datasheet Quick-reference summary of product specifications and applications.
View datasheet → 🔬 Specification Sheet Full quality attributes and acceptance criteria for this grade.
View spec sheet →
Advanced Data Taxonomic Classification Kingdom Organic compounds Superclass Benzenoids Class Naphthalenes Subclass Naphthalene sulfonic acids and derivatives Intermediate Tree Nodes Naphthalene sulfonates Direct Parent 1-naphthalene sulfonates Alternative Parents 1-naphthalene sulfonic acids and derivatives Naphthols and derivatives 1-sulfo,2-unsubstituted aromatic compounds Sulfonyls Organosulfonic acids 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-naphthalene sulfonate - 1-naphthalene sulfonic acid or derivatives - 1-naphthol - Arylsulfonic acid or derivatives - 1-sulfo,2-unsubstituted aromatic compound - Organic sulfonic acid or derivatives - Organosulfonic acid or derivatives - Sulfonyl - Organosulfonic acid - Organic nitroso compound - C-nitroso compound - Organic 1,3-dipolar compound - Propargyl-type 1,3-dipolar organic compound - Organic nitrogen compound - Hydrocarbon derivative - Organic oxide - Organosulfur compound - Organooxygen compound - Organonitrogen compound - Organopnictogen compound - Organic oxygen compound - Aromatic homopolycyclic compound Description This compound belongs to the class of organic compounds known as 1-naphthalene sulfonates. These are organic aromatic compounds that contain a naphthalene moiety that carries a sulfonic acid group at the 1-position. Naphthalene is a bicyclic compound that is made up of two fused benzene ring. External Descriptors Not available Data sources 1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.
3D Structure Certificates（CoA,COO,BSE/TSE and Analysis Chart) Chemical and Physical Properties Melt Point(°C) 145 °C(dec.) Molecular Weight 253.230 g/mol XLogP3 1.500 Hydrogen Bond Donor Count 2 Hydrogen Bond Acceptor Count 6 Rotatable Bond Count 1 Exact Mass 253.004 Da Monoisotopic Mass 253.004 Da Topological Polar Surface Area 112.000 Ų Heavy Atom Count 17 Formal Charge 0 Complexity 390.000 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
Solution Calculators Molarity Calculator Determine the necessary mass, volume, or concentration for preparing a solution.
Dilution Calculator Determine the dilution needed to prepare a stock solution.
Reconstitution Calculator Reviews
We use cookies to ensure the website functions properly and, where permitted, to improve your experience. You can manage your preferences at any time in Settings. Learn more in our
Cookie Policy. Settings Agree All Decline
Shall we send you a message when we have discounts available?
Remind me later Allow
Thank you! Please check your email inbox to confirm.
Oops! Notifications are disabled.
Products are supplied to verified businesses, institutions, and qualified professionals for research and development use only. Not for use in humans, animals, diagnosis, or therapy.
Copyright © 2023–present Aladdin Scientific Corp. All rights reserved.
G2426601