Uranine K , CAS No.6417-85-2

CAS: 6417-85-2 Cat. No.: U350950 Molecular Weight: 408.49 EC Number: 229-143-9 PubChem CID: 80878
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Synonyms
D90624 | EINECS 229-143-9 | Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-dihydroxy-, dipotassium salt | dipotassium;3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate | METHYL4-BENZOYL-1H-PYRROLE-2-CARBOXYLATE | dipotassium 3-oxo-3h-spiro[2-be
Storage
Room temperature
Shipped In
Normal
Size
Status
Price
Qty
1g
U350950-1g
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$74.90
25g
U350950-25g
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$248.90
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Why this grade

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.

Specifications

Synonyms
D90624 | EINECS 229-143-9 | Spiro(isobenzofuran-1(3H), 9'-(9H)xanthen)-3-one, 3', 6'-dihydroxy-, dipotassium salt | dipotassium;3-oxospiro[2-benzofuran-1, 9'-xanthene]-3', 6'-diolate | METHYL4-BENZOYL-1H-PYRROLE-2-CARBOXYLATE | dipotassium 3-oxo-3h-spiro[2-be
Storage
Room temperature
Shipped In
Normal
Names and Identifiers
Pubchem Sid528771514
Canonical SmilesC1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)[O-])OC5=C3C=CC(=C5)[O-].[K+].[K+]
IUPAC Namedipotassium;3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate
InChIKeyDZSPMLRDMGJVAT-UHFFFAOYSA-L
INCHI1S/C20H12O5.2K/c21-11-5-7-15-17(9-11)24-18-10-12(22)6-8-16(18)20(15)14-4-2-1-3-13(14)19(23)25-20;;/h1-10,21-22H;;/q;2*+1/p-2
Isomeric SMILES C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)[O-])OC5=C3C=CC(=C5)[O-].[K+].[K+]
PubChem CID 80878
Molecular Weight 408.49

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
SuperclassOrganoheterocyclic compounds
ClassBenzopyrans
Subclass1-benzopyrans
Intermediate Tree Nodes Dibenzopyrans
Direct ParentXanthenes
Alternative Parents Diarylethers  Phthalides  Benzofuranones  Isobenzofurans  Phenoxides  Lactones  Carboxylic acid esters  Oxacyclic compounds  Monocarboxylic acids and derivatives  Organic zwitterions  Organic potassium salts  Organic oxides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Xanthene - Diaryl ether - Benzofuranone - Isobenzofuranone - Phthalide - Isocoumaran - Isobenzofuran - Phenoxide - Benzenoid - Carboxylic acid ester - Lactone - Carboxylic acid derivative - Oxacycle - Organic alkali metal salt - Ether - Monocarboxylic acid or derivatives - Organic oxygen compound - Organooxygen compound - Organic zwitterion - Organic salt - Organic potassium salt - Hydrocarbon derivative - Organic oxide - 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 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.

1 results found

Lot NumberCertificate TypeDateItem
K2422536Certificate of AnalysisMay 22, 2024 U350950
Chemical and Physical Properties
Molecular Weight408.500 g/mol
XLogP3
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count5
Rotatable Bond Count0
Exact Mass407.98 Da
Monoisotopic Mass407.98 Da
Topological Polar Surface Area81.700 Ų
Heavy Atom Count27
Formal Charge0
Complexity522.000
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 Count3
Solution Calculators
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