Eosin B supplier | CasNO.548-24-3

Name
EOSIN B
EINECS 208-943-1
CAS No. 548-24-3
Density
Solubility Soluble in water (390 g/L at 20°C), and ethanol.
Melting Point 275 °C (dec.)(lit.)
Formula C₂₀H₆Br₂N₂Na₂O₉
Boiling Point 694.1 °C at 760 mmHg
Molecular Weight 624.06
Flash Point 373.6 °C
Transport Information
Appearance odourless green to reddish-brown solid
Safety 22-24/25
Risk Codes 22
Molecular Structure
Hazard Symbols Xn
Synonyms 4',5'-Dibromo-2',7'-dinitrofluorescein Disodium Salt;4',5'-Dibromo-3',6'-dihydroxy-2',7'-dinitrospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one Disodium Salt;benzoic acid, 2-(4,5-dibromo-6-hydroxy-2,7-dinitro-3-oxo-3H-xanthen-9-yl)-, sodium salt (1:2);C.I. Acid Red 91;Disodium 2-(4,5-dibromo-2,7-dinitro-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate;Eosine I Bluish;Hydroxydibromodinitro-o-carboxyphenylfluorone Sodium;
PSA 185.04000
LogP 5.45990

Eosin B Specification

The Eosin B, with the CAS registry number 548-24-3, is also known as Dibromodinitrofluorescein sodium. It belongs to the product category of Organics. Its EINECS registry number is 208-943-1. This chemical's molecular formula is C₂₀H₆Br₂N₂Na₂O₉ and molecular weight is 624.06. Its systematic name is called disodium 2-(4,5-dibromo-2,7-dinitro-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate. Eosin B is a form of eosin which is odourless green to reddish-brown solid. This chemical's classification codes are Coloring Agents; Fluorescent Dyes; Indicators and Reagents; Luminescent Agents.

Physical properties of Eosin B: (1)ACD/LogP: 5.38; (2)# of Rule of 5 Violations: 3; (3)ACD/LogD (pH 5.5): 1.72; (4)ACD/LogD (pH 7.4): 1.23; (5)ACD/BCF (pH 5.5): 1.58; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 4.41; (8)ACD/KOC (pH 7.4): 1.43; (9)#H bond acceptors: 11; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 5; (12)Flash Point: 373.6 °C; (13)Enthalpy of Vaporization: 106.79 kJ/mol; (14)Boiling Point: 694.1 °C at 760 mmHg; (15)Vapour Pressure: 3.15E-20 mmHg at 25°C.

When you are using this chemical, please be cautious about it as the following:
This chemical may cause damage to health. It is harmful if swallowed. You should not breathe its dust. Besides, you must avoid contact with skin and eyes.

You can still convert the following datas into molecular structure:
(1)SMILES: [Na+].[Na+].[O-]C(=O)c4ccccc4C=1c3cc([N+]([O-])=O)c([O-])c(Br)c3OC=2C=1\C=C(/C(=O)C=2Br)[N+]([O-])=O
(2)InChI: InChI=1/C20H8Br2N2O9.2Na/c21-14-16(25)11(23(29)30)5-9-13(7-3-1-2-4-8(7)20(27)28)10-6-12(24(31)32)17(26)15(22)19(10)33-18(9)14;;/h1-6,25H,(H,27,28);;/q;2*+1/p-2
(3)InChIKey: GYYTYUGGVBYJHE-NUQVWONBAQ

Product Name

EOSIN B

Eosin B Specification

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