Ethyl eosin - ≥95% , CAS No.6359-05-3

CAS: 6359-05-3 Cat. No.: E293839 Molecular Weight: 714.03 EC Number: 228-793-0
AVAILABLE TO ORDER
GRADE & PURITY ≥95%
Synonyms
2',4',5',7'-Tetrabromoeosin ethyl ester potassium salt | C.I. Solvent Red 45 | Eosin alcohol soluble | Solvent Red 45 | Ethyl eosin, certified by the Biological Stain Commission | Ethyleosin | Potassium ethyl o-(2,4,5,7-tetrabromo-6-oxido-3-oxo-3H-xanthen
Storage
Room temperature
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
E293839-5g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$129.90

$151.90
Save $22.00 (14.48%)
25g
E293839-25g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$420.90

$491.90
Save $71.00 (14.43%)
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Why this grade

≥95% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships 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
2', 4', 5', 7'-Tetrabromoeosin ethyl ester potassium salt | C.I. Solvent Red 45 | Eosin alcohol soluble | Solvent Red 45 | Ethyl eosin, certified by the Biological Stain Commission | Ethyleosin | Potassium ethyl o-(2, 4, 5, 7-tetrabromo-6-oxido-3-oxo-3H-xanthen
Specifications & Purity
≥95%
Storage
Room temperature
Purity
≥95%
Names and Identifiers
Canonical SmilesCCOC(=O)C1=CC=CC=C1C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)Br)[O-])Br)Br)Br.[K+]
IUPAC Namepotassium;2,4,5,7-tetrabromo-9-(2-ethoxycarbonylphenyl)-6-oxoxanthen-3-olate
InChIKeyUKZQEOHHLOYJLY-UHFFFAOYSA-M
INCHI1S/C22H12Br4O5.K/c1-2-30-22(29)10-6-4-3-5-9(10)15-11-7-13(23)18(27)16(25)20(11)31-21-12(15)8-14(24)19(28)17(21)26;/h3-8,27H,2H2,1H3;/q;+1/p-1
Isomeric SMILES CCOC(=O)C1=CC=CC=C1C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)Br)[O-])Br)Br)Br.[K+]
WGK Germany 3
Molecular Weight 714.03

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.

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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.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassBenzopyrans
Subclass1-benzopyrans
Intermediate Tree Nodes Dibenzopyrans
Direct ParentXanthenes
Alternative Parents Benzoic acid esters  Benzoyl derivatives  Phenoxides  Aryl bromides  Heteroaromatic compounds  Cyclic ketones  Carboxylic acid esters  Oxacyclic compounds  Organic metal halides  Monocarboxylic acids and derivatives  Organobromides  Organic zwitterions  Organic potassium salts  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Xanthene - Benzoate ester - Benzoic acid or derivatives - Benzoyl - Phenoxide - Aryl bromide - Benzenoid - Aryl halide - Monocyclic benzene moiety - Heteroaromatic compound - Cyclic ketone - Carboxylic acid ester - Oxacycle - Organic alkali metal salt - Organic metal halide - Carboxylic acid derivative - Monocarboxylic acid or derivatives - Organic potassium salt - Organohalogen compound - Organobromide - Organooxygen compound - Organic oxide - Organic oxygen compound - Hydrocarbon derivative - Organic zwitterion - Organic salt - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as xanthenes. These are polycyclic aromatic compounds containing a xanthene moiety, which consists of two benzene rings joined to each other by a pyran ring.
External Descriptors organic potassium salt
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:
Chemical and Physical Properties
Refractive Indexn20D1.77 (Predicted)
Flash Point(°C)353.8ºC
Boil Point(°C)661.5ºC at 760 mmHg
Molecular Weight714.000 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count5
Rotatable Bond Count4
Exact Mass713.694 Da
Monoisotopic Mass709.698 Da
Topological Polar Surface Area75.700 Ų
Heavy Atom Count32
Formal Charge0
Complexity886.000
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 Count2
Solution Calculators
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