3',3'',5',5''-Tetrabromophenolphthaleinethyl ester - ≥80%, for microscopy , CAS No.1176-74-5

CAS: 1176-74-5 Cat. No.: T106849 Molecular Weight: 661.96 Beilstein Registry Number: 2228548 EC Number: 214-645-2 PubChem CID: 92873
AVAILABLE TO ORDER
GRADE & PURITY ≥80% for microscopy
Synonyms
Tetrabromophenolphthalein ethyl ester|1176-74-5|3',3'',5',5''-Tetrabromophenolphthalein ethyl ester|Ethyl tetrabromophenolphthalein|Bromophthalein Magenta E|ethyl 2-((3,5-dibromo-4-hydroxyphenyl)(3,5-dibromo-4-oxocyclohexa-2,5-dien-1-ylidene)methyl)benzoa
Storage
Argon charged,Room temperature
Shipped In
Normal
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Size
Status
Price
Qty
250mg
T106849-250mg
8

$49.90

$74.90
Save $25.00 (33.38%)
1g
T106849-1g
3

$158.90

$238.90
Save $80.00 (33.49%)
5g
T106849-5g
2

$594.90

$892.90
Save $298.00 (33.37%)
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Why this grade

≥80%, for microscopy for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

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Storage & shipping

Argon charged,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.

Specifications

Synonyms
Tetrabromophenolphthalein ethyl ester | 1176-74-5 | 3', 3'', 5', 5''-Tetrabromophenolphthalein ethyl ester | Ethyl tetrabromophenolphthalein | Bromophthalein Magenta E | ethyl 2-((3, 5-dibromo-4-hydroxyphenyl)(3, 5-dibromo-4-oxocyclohexa-2, 5-dien-1-ylidene)methyl)benzoa
Specifications & Purity
≥80%, for microscopy
Storage
Argon charged, Room temperature
Shipped In
Normal
Purity
≥80%
Names and Identifiers
Pubchem Sid488186735
Pubchem Sid Urlhttps://pubchem.ncbi.nlm.nih.gov/substance/488186735
Canonical SmilesCCOC(=O)C1=CC=CC=C1C(=C2C=C(C(=O)C(=C2)Br)Br)C3=CC(=C(C(=C3)Br)O)Br
IUPAC Nameethyl 2-[(3,5-dibromo-4-hydroxyphenyl)-(3,5-dibromo-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzoate
InChIKeySQFXATUXPUCFFO-UHFFFAOYSA-N
INCHI1S/C22H14Br4O4/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
Isomeric SMILES CCOC(=O)C1=CC=CC=C1C(=C2C=C(C(=O)C(=C2)Br)Br)C3=CC(=C(C(=C3)Br)O)Br
WGK Germany 3
PubChem CID 92873
Molecular Weight 661.96
Beilstein 2228548

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.

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassBenzenoids
ClassBenzene and substituted derivatives
SubclassDiphenylmethanes
Intermediate Tree Nodes Not available
Direct ParentDiphenylmethanes
Alternative Parents Benzoic acid esters  P-quinomethanes  O-bromophenols  Benzoyl derivatives  Bromobenzenes  Aryl bromides  Alpha-haloketones  Carboxylic acid esters  Vinyl bromides  Monocarboxylic acids and derivatives  Bromoalkenes  Organobromides  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic homomonocyclic compounds
Substituents Diphenylmethane - Benzoate ester - Benzoic acid or derivatives - Benzoyl - Quinomethane - P-quinomethane - 2-halophenol - 2-bromophenol - Bromobenzene - Phenol - Halobenzene - Aryl halide - Aryl bromide - Alpha-haloketone - Ketone - Cyclic ketone - Carboxylic acid ester - Bromoalkene - Haloalkene - Vinyl halide - Carboxylic acid derivative - Vinyl bromide - Monocarboxylic acid or derivatives - Carbonyl group - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organobromide - Organohalogen compound - Organic oxygen compound - Aromatic homomonocyclic compound
DescriptionThis 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
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
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.

18 results found

Lot NumberCertificate TypeDateItem
K2222801Certificate of AnalysisMay 09, 2026 T106849
C2425522Certificate of AnalysisJan 12, 2026 T106849
E2224106Certificate of AnalysisNov 24, 2025 T106849
H2318742Certificate of AnalysisMay 07, 2025 T106849
H2318743Certificate of AnalysisMay 07, 2025 T106849
D23251140Certificate of AnalysisJan 15, 2025 T106849
D23251141Certificate of AnalysisJan 15, 2025 T106849
D23251146Certificate of AnalysisJan 15, 2025 T106849
D23251153Certificate of AnalysisJan 15, 2025 T106849
D23251157Certificate of AnalysisJan 15, 2025 T106849
C2425523Certificate of AnalysisMar 04, 2024 T106849
F2519091Certificate of AnalysisMar 04, 2024 T106849
F2520247Certificate of AnalysisMar 04, 2024 T106849
D23251167Certificate of AnalysisJan 02, 2023 T106849
K2222875Certificate of AnalysisAug 23, 2022 T106849
K2222800Certificate of AnalysisAug 23, 2022 T106849
E2224097Certificate of AnalysisJan 15, 2022 T106849
E2224086Certificate of AnalysisJan 15, 2022 T106849

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Chemical and Physical Properties
SensitivityLight and Air sensitive
Melt Point(°C)208-211°C
Molecular Weight662.000 g/mol
XLogP37.600
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count4
Rotatable Bond Count5
Exact Mass661.758 Da
Monoisotopic Mass657.763 Da
Topological Polar Surface Area63.600 Ų
Heavy Atom Count30
Formal Charge0
Complexity752.000
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
Solution Calculators
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