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56360-46-4

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Basic Information
CAS No.: 56360-46-4
Name: EOSIN B
Article Data: 6
Molecular Structure:
Molecular Structure of 56360-46-4 (EOSIN B)
Formula: C20H8 Br2 N2 O9
Molecular Weight: 578.0787
Synonyms: 4',5'-Dibromo-2',7'-dinitrofluorescein;Eosine B (alcohol soluble);
EINECS: 208-943-1
Density: g/cm3
Melting Point: 275 °C (dec.)(lit.)
Boiling Point: 663.6 °C at 760 mmHg
Flash Point: 355.1 °C
Hazard Symbols: HarmfulXn
Risk Codes: R22
Safety: S22-24/25
PSA: 179.38000
LogP: 6.35640
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Chemistry

Molecular Structure:

Molecular Formula: C20H6Br2N2O9
Molecular Weight: 578.0787
IUPAC Name: 4',5'-Dibromo-2',7'-dinitro-3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate
Synonyms of Eosin B (CAS NO.56360-46-4): Eosin B, spirit soluble
CAS NO: 56360-46-4 
Product Categories: Hematology and Histology ; Hematology Stains
H bond acceptors: 11
H bond donors: 2
Freely Rotating Bonds: 4
Polar Surface Area: 167.63 Å2
Flash Point: 355.1 °C
Enthalpy of Vaporization: 101.14 kJ/mol
Boiling Point: 663.6 °C at 760 mmHg
Vapour Pressure: 3.22E-18 mmHg at 25°C

Safety Profile

Hazard Codes of Eosin B, spirit soluble (CAS NO.56360-46-4): HarmfulXn
Risk Statements: 22 
R22: Harmful if swallowed.
Safety Statements: 22-24/25 
S22: Do not breathe dust. 
S24/25: Avoid contact with skin and eyes.
WGK Germany: 3