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· · COA & SDS available for every product · Same-day shipping on in-stock items TBPE - indicator , CAS No.62637-91-6
GRADE & PURITY Indicator ? Indicator grade — characterized dye giving a defined color change at a known transition. Use to signal pH or titration endpoints visually. Synonyms
T71145 | AS-69035 | TETRABROMOPHENOLPHTHALEIN ETHYL ESTER POTASSIUM SALT [MI] | Benzoic acid, 2-((3,5-dibromo-4-hydroxyphenyl)(3,5-dibromo-4-oxo-2,5-cyclohexadien-1-ylidene)methyl)-, ethyl ester, potassium salt | Potassium tetrabromophenolphthalein ethyl
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Why this grade indicator Indicator 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 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Overview Sensitive spectrophotometric reagent for amines, quaternary ammonium salts and other cations
Specifications Synonyms
T71145 | AS-69035 | TETRABROMOPHENOLPHTHALEIN ETHYL ESTER POTASSIUM SALT [MI] | Benzoic acid, 2-((3, 5-dibromo-4-hydroxyphenyl)(3, 5-dibromo-4-oxo-2, 5-cyclohexadien-1-ylidene)methyl)-, ethyl ester, potassium salt | Potassium tetrabromophenolphthalein ethyl
Specifications & Purity
indicator
Names and Identifiers Pubchem Sid 488200547 Pubchem Sid Url https://pubchem.ncbi.nlm.nih.gov/substance/488200547 Canonical Smiles CCOC(=O)C1=CC=CC=C1C(=C2C=C(C(=O)C(=C2)Br)Br)C3=CC(=C(C(=C3)Br)[O-])Br.[K+] IUPAC Name potassium;2,6-dibromo-4-[(3,5-dibromo-4-oxocyclohexa-2,5-dien-1-ylidene)-(2-ethoxycarbonylphenyl)methyl]phenolate InChIKey WCIQBKUTYDIBJC-UHFFFAOYSA-M INCHI 1S/C22H14Br4O4.K/c1-2-30-22(29)14-6-4-3-5-13(14)19(11-7-15(23)20(27)16(24)8-11)12-9-17(25)21(28)18(26)10-12;/h3-10,27H,2H2,1H3;/q;+1/p-1 Isomeric SMILES CCOC(=O)C1=CC=CC=C1C(=C2C=C(C(=O)C(=C2)Br)Br)C3=CC(=C(C(=C3)Br)[O-])Br.[K+] WGK Germany 3 PubChem CID 23689366 Molecular Weight 700.05 Beilstein 3848263
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 Benzene and substituted derivatives Subclass Diphenylmethanes Intermediate Tree Nodes Not available Direct Parent Diphenylmethanes Alternative Parents Benzoic acid esters P-quinomethanes Benzoyl derivatives Phenoxides Bromobenzenes Aryl bromides Alpha-haloketones Carboxylic acid esters Vinyl bromides Organic metal halides Bromoalkenes Organobromides Hydrocarbon derivatives Organic oxides Organic potassium salts Organic cations Molecular Framework Aromatic homomonocyclic compounds Substituents Diphenylmethane - Benzoate ester - Benzoic acid or derivatives - Benzoyl - P-quinomethane - Quinomethane - Bromobenzene - Halobenzene - Phenoxide - Aryl bromide - Aryl halide - Alpha-haloketone - Carboxylic acid ester - Ketone - Cyclic ketone - Organic metal halide - Organic alkali metal salt - Carboxylic acid derivative - Bromoalkene - Haloalkene - Vinyl halide - Vinyl bromide - Hydrocarbon derivative - Organic oxide - Carbonyl group - Organic salt - Organohalogen compound - Organobromide - Organooxygen compound - Organic oxygen compound - Organic potassium salt - Organic cation - Aromatic homomonocyclic compound Description This compound belongs to the class of organic compounds known as diphenylmethanes. These are compounds containing a diphenylmethane moiety, which consists of a methane wherein two hydrogen atoms are replaced by two phenyl groups. 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) 210°C Molecular Weight 700.000 g/mol XLogP3 Hydrogen Bond Donor Count 0 Hydrogen Bond Acceptor Count 4 Rotatable Bond Count 5 Exact Mass 699.714 Da Monoisotopic Mass 695.718 Da Topological Polar Surface Area 66.400 Ų Heavy Atom Count 31 Formal Charge 0 Complexity 758.000 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 2
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