Bromocresol purple - Ph.Eur., ACS, indicator , CAS No.115-40-2

CAS: 115-40-2 Cat. No.: B431519 Summenformel: C21H16Br2O5S Molekulargewicht: 540.22 EG-Nummer: 204-087-8
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GRADE & PURITY Ph.Eur. ? European Pharmacopoeia grade — conforms to Ph.Eur. monographs across EU member states. Use for pharmaceutical work needing European compendial compliance. ACS ? ACS grade — meets American Chemical Society specifications, the analytical benchmark in the US. Use for analytical and QC work needing ACS-defined purity. Indicator ? Indicator grade — characterized dye giving a defined color change at a known transition. Use to signal pH or titration endpoints visually.
Synonyms
4,4'-(1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis(2-bromo-6-methylphenol) | MFCD00011681 | 4,4'-(3H-2,1-BENZOXATHIOL-3-YLIDENE)BIS(2-BROMO-6-METHYLPHENOL) S,S-DIOXIDE | 5,5'-Dibromo-o-cresolsulfonphthalein | DTXSID3059428 | Bromocresol Purple, Technical
Storage
Room temperature
Shipped In
Normal
★
Size
Deutschland (EU)
USA*
Price
Qty
5g
B431519-5g
—
3 Auf Lager

174,33€

203,83€
Speichern 29,50 € (14.47%)
25g
B431519-25g
—
2 Auf Lager

433,78€

507,54€
Speichern 73,76 € (14.53%)
Enter a quantity for the sizes you want to add.
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Why this grade

Ph.Eur., ACS, indicator ACS,Indikator,Ph.Eur. 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 20 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyme
4,4'-(1,1-dioxido-3H-2,1-benzoxathiole-3,3-diyl)bis(2-bromo-6-methylphenol) | MFCD00011681 | 4,4'-(3H-2,1-BENZOXATHIOL-3-YLIDENE)BIS(2-BROMO-6-METHYLPHENOL) S,S-DIOXIDE | 5,5'-Dibromo-o-cresolsulfonphthalein | DTXSID3059428 | Bromocresol Purple, Technical
Spezifikationen & Reinheit
Ph.Eur., ACS, indicator
Storage
Room temperature
Verschickt in
Normal
Note
ACS, Indikator, Ph.Eur.
Namen und Kennungen
Pubchem Sid
Kanonisches Lächeln
CC1=CC(=CC(=C1O)Br)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4)C)O)Br
IUPAC Name
2-bromo-4-[3-(3-bromo-4-hydroxy-5-methylphenyl)-1,1-dioxo-2,1λ6-benzoxathiol-3-yl]-6-methylphenol
InChIKey
ABIUHPWEYMSGSR-UHFFFAOYSA-N
INCHI
1S/C21H16Br2O5S/c1-11-7-13(9-16(22)19(11)24)21(14-8-12(2)20(25)17(23)10-14)15-5-3-4-6-18(15)29(26,27)28-21/h3-10,24-25H,1-2H3
Isomere SMILES
CC1=CC(=CC(=C1O)Br)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4)C)O)Br
Molekulargewicht
540.22
Reaxy-Rn
359618
Reaxys-RN_link_address
https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=359618&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

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
KlasseBenzofurans
SubclassBenzofuranones
Intermediate Tree Nodes Not available
Direct ParentBenzofuranones
Alternative Parents Phthalides  Benzoxathioles  Ortho cresols  O-bromophenols  Toluenes  Bromobenzenes  Organosulfonic acid esters  Aryl bromides  Oxacyclic compounds  Organooxygen compounds  Organobromides  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Benzofuranone - Phthalide - Benzoxathiole - 2-halophenol - 2-bromophenol - O-cresol - Bromobenzene - Halobenzene - Toluene - Phenol - Aryl bromide - 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 - Organobromide - Organooxygen compound - Aromatic heteropolycyclic compound
BeschreibungThis 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 organobromine compound - polyphenol - arenesulfonate ester - 2,1-benzoxathiole - sultone
3D-Struktur
Interaktives chemisches Strukturmodell





Zertifikate (CoA, COO, BSE/TSE und Analyse-Diagramm)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

2 results found

Lot NumberCertificate TypeDatumArtikel
I2328140Certificate of AnalysisJul 03, 2026 B431519
I2328228Certificate of AnalysisJul 03, 2026 B431519
Chemische und physikalische Eigenschaften
Schmelzpunkt (°C)245°C
Molekulargewicht540.200 g/mol
XLogP35.100
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count5
Rotatable Bond Count2
Exact Mass539.906 Da
Monoisotopic Mass537.909 Da
Topological Polar Surface Area92.200 Ų
Heavy Atom Count29
Formal Charge0
Complexity680.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
FAQs und Artikel
Citations of This Product
Lösungsrechner
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