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Thermo Scientific Chemicals Eosin Y, pure, high purity, biological stain

CAS: 17372-87-1 | C20H12Br4Na2O8 | 745.904 g/mol

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Chemical Identifiers

CAS 17372-87-1
Molecular Formula C20H12Br4Na2O8
Molecular Weight (g/mol) 745.904
MDL Number MFCD00005040
InChI Key MASXMTNVNASWNH-UHFFFAOYSA-L
Synonym 2',4',5',7'-Tetrabromofluorescein, disodium salt,Eosin Yellowish,2', 4', 5'
PubChem CID 91886399
IUPAC Name disodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate;trihydrate
SMILES C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)Br)[O-])Br)Br)Br)C(=O)[O-].O.O.O.[Na+].[Na+]
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Disclaimers: RUO – Research Use Only


Specification

Chemical Name or Material Eosin Y
Melting Point >300.0°C
Name Note High purity biological stain
CAS 17372-87-1
Dye Content 90% min. (on dry substance)
Molecular Formula C20H12Br4Na2O8
MDL Number MFCD00005040
Beilstein 19, IV, 2917
Merck Index 15, 3658
Synonym 2',4',5',7'-Tetrabromofluorescein, disodium salt,Eosin Yellowish,2', 4', 5'
Synonym 2',4',5',7'-Tetrabromofluorescein, disodium salt,Eosin Yellowish,2', 4', 5'
Synonym 2',4',5',7'-Tetrabromofluorescein, disodium salt,Eosin Yellowish,2', 4', 5'
Solubility Information Solubility in water: freely soluble. Other solubilities: sparingly soluble in alcohol, insoluble in diethyl ether
InChI Key MASXMTNVNASWNH-UHFFFAOYSA-L
Infrared Spectrum Authentic
SMILES C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)Br)[O-])Br)Br)Br)C(=O)[O-].O.O.O.[Na+].[Na+]
IUPAC Name disodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate;trihydrate
Molecular Weight (g/mol) 745.904
PubChem CID 91886399
Formula Weight 691.85
Loss on Drying 10% max.
Grade Pure
Packaging Glass bottle
Specific Gravity 1.018
Density 1.0180g/mL
Color Brown to Red
Quantity 25 g
Physical Form Fine Crystalline Powder

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