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· · COA & SDS available for every product · Same-day shipping on in-stock items Chlorophenol red indicator - 0.04% , CAS No.4430-20-0
GRADE & PURITY 0.04%
Synonyms
CHLOROPHENOL RED|4430-20-0|Chlorphenol Red|Chlorphenolsulfonphthalein|Dichlorophenolsulfonephthalein|3,3-Bis(3-chloro-4-hydroxyphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide|Chlorophenol red indicator|Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene
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Why this grade 0.04% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping Room temperature Ships Normal Check lot-specific COA for exact specifications.
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Quality documents SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
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Literature proof Cited in 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Specifications Synonyms
CHLOROPHENOL RED | 4430-20-0 | Chlorphenol Red | Chlorphenolsulfonphthalein | Dichlorophenolsulfonephthalein | 3,3-Bis(3-chloro-4-hydroxyphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide | Chlorophenol red indicator | Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene
Specifications & Purity
0.04%
Names and Identifiers Canonical Smiles
C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C=C3)O)Cl)C4=CC(=C(C=C4)O)Cl
IUPAC Name
2-chloro-4-[3-(3-chloro-4-hydroxyphenyl)-1,1-dioxo-2,1λ6-benzoxathiol-3-yl]phenol
InChIKey
WWAABJGNHFGXSJ-UHFFFAOYSA-N
INCHI
1S/C19H12Cl2O5S/c20-14-9-11(5-7-16(14)22)19(12-6-8-17(23)15(21)10-12)13-3-1-2-4-18(13)27(24,25)26-19/h1-10,22-23H
Isomeric SMILES
C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C=C3)O)Cl)C4=CC(=C(C=C4)O)Cl
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=354053&ln=
Documentation 📋 Safety Data Sheet (SDS) Comprehensive hazard, handling, storage, and regulatory compliance document.
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✅ 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 Organoheterocyclic compounds Class Benzofurans Subclass Benzofuranones Intermediate Tree Nodes Not available Direct Parent Benzofuranones Alternative Parents Phthalides Benzoxathioles O-chlorophenols Chlorobenzenes 1-hydroxy-2-unsubstituted benzenoids Organosulfonic acid esters Aryl chlorides Oxacyclic compounds Organooxygen compounds Organochlorides Organic oxides Hydrocarbon derivatives Molecular Framework Aromatic heteropolycyclic compounds Substituents Benzofuranone - Phthalide - Benzoxathiole - 2-halophenol - 2-chlorophenol - 1-hydroxy-2-unsubstituted benzenoid - Chlorobenzene - Halobenzene - Phenol - Aryl chloride - Aryl halide - Monocyclic benzene moiety - Benzenoid - Organosulfonic acid ester - Organosulfonic acid or derivatives - Organic sulfonic acid or derivatives - Oxacycle - Organic oxygen compound - Hydrocarbon derivative - Organic oxide - Organohalogen compound - Organochloride - Organooxygen compound - Aromatic heteropolycyclic compound Description 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 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) 261-262°C Molecular Weight 423.300 g/mol XLogP3 4.300 Hydrogen Bond Donor Count 2 Hydrogen Bond Acceptor Count 5 Rotatable Bond Count 2 Exact Mass 421.978 Da Monoisotopic Mass 421.978 Da Topological Polar Surface Area 92.200 Ų Heavy Atom Count 27 Formal Charge 0 Complexity 625.000 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
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