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· · COA & SDS available for every product · Same-day shipping on in-stock items Tetrabromophenol blue（TBPB） - High-purity, ≥95%(HPLC) , CAS No.4430-25-5
GRADE & PURITY High-purity ? High-purity grade with substantially reduced impurity levels. Use when trace contaminants would interfere with your measurement or process. ≥95%(HPLC) Synonyms
TBPB | NSC11236 | Phenol, 4,4'-(4,5,6,7-tetrabromo-1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2,6-dibromo- | Q27288730 | o-Toluenesulfonic acid,4,5,6-tetrabromo-.alpha.,.alpha.-bis(3,5-dibromo-4-hydroxyphenyl)-.alpha.-hydroxy- | PHENOL, 4,4'-(4,5,6,7-T
Storage
Room temperature,Argon charged,Desiccated
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Why this grade High-purity, ≥95%(HPLC) High-purity for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping Room temperature,Argon charged,Desiccated 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 5 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Specifications Synonyms
TBPB | NSC11236 | Phenol, 4,4'-(4,5,6,7-tetrabromo-1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2,6-dibromo- | Q27288730 | o-Toluenesulfonic acid,4,5,6-tetrabromo-.alpha.,.alpha.-bis(3,5-dibromo-4-hydroxyphenyl)-.alpha.-hydroxy- | PHENOL, 4,4'-(4,5,6,7-T
Specifications & Purity
High-purity, ≥95%(HPLC)
Biochemical and Physiological Mechanisms
Tetrabromophenol Blue (TBPB) belongs to the group of sulfonephthalein acid-base indicators. It is employed in the potentiometric titration of the halogens with Hg2(NO3)2. In addition, it has been used as a dye indicator in urine dipstick test to detect pr
Storage
Room temperature,Argon charged,Desiccated
Names and Identifiers Pubchem Sid Url
https://pubchem.ncbi.nlm.nih.gov/substance/488185525
Canonical Smiles
C1=C(C=C(C(=C1Br)O)Br)C2(C3=C(C(=C(C(=C3Br)Br)Br)Br)S(=O)(=O)O2)C4=CC(=C(C(=C4)Br)O)Br
IUPAC Name
2,6-dibromo-4-[4,5,6,7-tetrabromo-3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,1λ6-benzoxathiol-3-yl]phenol
InChIKey
QPMIVFWZGPTDPN-UHFFFAOYSA-N
INCHI
1S/C19H6Br8O5S/c20-7-1-5(2-8(21)16(7)28)19(6-3-9(22)17(29)10(23)4-6)11-12(24)13(25)14(26)15(27)18(11)33(30,31)32-19/h1-4,28-29H
Isomeric SMILES
C1=C(C=C(C(=C1Br)O)Br)C2(C3=C(C(=C(C(=C3Br)Br)Br)Br)S(=O)(=O)O2)C4=CC(=C(C(=C4)Br)O)Br
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 Organoheterocyclic compounds Class Benzofurans Subclass Benzofuranones Intermediate Tree Nodes Not available Direct Parent Benzofuranones Alternative Parents Phthalides Benzoxathioles O-bromophenols Bromobenzenes Organosulfonic acid esters Aryl bromides Oxacyclic compounds Organooxygen compounds Organobromides Organic oxides Hydrocarbon derivatives Molecular Framework Aromatic heteropolycyclic compounds Substituents Benzofuranone - Phthalide - Benzoxathiole - 2-halophenol - 2-bromophenol - Bromobenzene - Phenol - Halobenzene - Aryl bromide - Aryl halide - Monocyclic benzene moiety - Benzenoid - Organosulfonic acid ester - Organosulfonic acid or derivatives - Organic sulfonic acid or derivatives - Oxacycle - Organooxygen compound - Organic oxygen compound - Hydrocarbon derivative - Organic oxide - Organobromide - Organohalogen 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 Solubility Soluble in water Sensitivity Moisture sensitive Melt Point(°C) 204°C Molecular Weight 985.500 g/mol XLogP3 8.800 Hydrogen Bond Donor Count 2 Hydrogen Bond Acceptor Count 5 Rotatable Bond Count 2 Exact Mass 985.332 Da Monoisotopic Mass 977.34 Da Topological Polar Surface Area 92.200 Ų Heavy Atom Count 33 Formal Charge 0 Complexity 791.000 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
Documents & Articles Citations of This Product 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 Need help choosing the grade? Our grade selection guide covers purity, stabilizer status, and application suitability for all variants in our catalog.
View High-purity grade guide →
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