Determine the necessary mass, volume, or concentration for preparing a solution.
AR AR 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Phenol Red sodium salt is a water soluble pH indicator used in the 6.8 (yellow) to 8.2 (red) range.
A small molecule pH indicator.
| Pubchem Sid | 488200529 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488200529 |
| Sonrisas canónicas | C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+] |
| IUPAC Name | sodium;4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1λ6-benzoxathiol-3-yl]phenolate |
| InChIKey | HKHYOKBQJILTEI-UHFFFAOYSA-M |
| INCHI | 1S/C19H14O5S.Na/c20-15-9-5-13(6-10-15)19(14-7-11-16(21)12-8-14)17-3-1-2-4-18(17)25(22,23)24-19;/h1-12,20-21H;/q;+1/p-1 |
| Isómeros SMILES | C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+] |
| WGK Alemania | 3 |
| PubChem CID | 23686673 |
| Peso molecular | 376.36 |
| Beilstein | 6260026 |
| Reaxy-Rn | 6260026 |
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 | Organoheterocyclic compounds |
| Clase | Benzofurans |
| Subclass | Benzofuranones |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Benzofuranones |
| Alternative Parents | Phthalides Benzoxathioles Phenoxides 1-hydroxy-2-unsubstituted benzenoids Organosulfonic acid esters Oxacyclic compounds Organooxygen compounds Organic sodium salts Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | Benzofuranone - Phthalide - Benzoxathiole - 1-hydroxy-2-unsubstituted benzenoid - Phenol - Phenoxide - Monocyclic benzene moiety - Organosulfonic acid ester - Benzenoid - Organosulfonic acid or derivatives - Organic sulfonic acid or derivatives - Organic alkali metal salt - Oxacycle - Hydrocarbon derivative - Organooxygen compound - Organic oxide - Organic oxygen compound - Organic salt - Organic sodium salt - Aromatic heteropolycyclic compound |
| Descripción | This compound belongs to the class of organic compounds known as benzofuranones. These are organic compounds containing a benzene ring fused to a furanone. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Fecha | Articulo |
|---|---|---|---|
| Certificate of Analysis | Jun 09, 2026 | P102680 | |
| Certificate of Analysis | Jun 09, 2026 | P102680 | |
| Certificate of Analysis | Jun 09, 2026 | P102680 | |
| Certificate of Analysis | Jun 09, 2026 | P102680 | |
| Certificate of Analysis | Apr 02, 2026 | P102680 | |
| Certificate of Analysis | Feb 04, 2026 | P102680 | |
| Certificate of Analysis | Feb 04, 2026 | P102680 | |
| Certificate of Analysis | Dec 18, 2025 | P102680 | |
| Certificate of Analysis | Dec 10, 2025 | P102680 | |
| Certificate of Analysis | Dec 10, 2025 | P102680 | |
| Certificate of Analysis | Aug 18, 2025 | P102680 | |
| Certificate of Analysis | Jan 08, 2025 | P102680 | |
| Certificate of Analysis | Jan 08, 2025 | P102680 | |
| Certificate of Analysis | Jun 22, 2024 | P102680 | |
| Certificate of Analysis | Jun 22, 2024 | P102680 | |
| Certificate of Analysis | Jan 13, 2023 | P102680 | |
| Certificate of Analysis | Dec 13, 2022 | P102680 | |
| Certificate of Analysis | Nov 14, 2022 | P102680 | |
| Certificate of Analysis | Jun 28, 2022 | P102680 | |
| Certificate of Analysis | May 31, 2022 | P102680 | |
| Certificate of Analysis | Feb 28, 2022 | P102680 | |
| Certificate of Analysis | Feb 28, 2022 | P102680 |
| Solubilidad | Soluble in water yielding a dark red solution (25 mg/ml), alcohol (4 mg/ml), methanol, ethanol (200 mg/ml), and aqueous alkali hydroxides or carbonates with formation of a red colored solution. |
|---|---|
| Punto de ebullición (°C) | 285 °C |
| Punto de fusión (°C) | 285°C |
| Peso molecular | 376.400 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 2 |
| Exact Mass | 376.038 Da |
| Monoisotopic Mass | 376.038 Da |
| Topological Polar Surface Area | 95.000 Ų |
| Heavy Atom Count | 26 |
| Formal Charge | 0 |
| Complexity | 575.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 1 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 2 |
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