CAS No.548-24-3,EOSIN B Suppliers,MSDS download

Products Categories

Pharmaceutical (27)
Others (18)
Organic Chemicals (14)
Reagent (9)
Dyestuff and Pigment (5)
Basic Inorganic Chemicals (2)

Basic Information

Molecular Structure:
CAS No.:	548-24-3
Name:	EOSIN B

Formula:	C₂₀H₆Br₂N₂Na₂O₉
Molecular Weight:	624.06
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;
EINECS:	208-943-1
Melting Point:	275 °C (dec.)(lit.)
Boiling Point:	694.1 °C at 760 mmHg
Flash Point:	373.6 °C
Solubility:	Soluble in water (390 g/L at 20°C), and ethanol.
Appearance:	odourless green to reddish-brown solid
Hazard Symbols:	Xn
Risk Codes:	22
Safety:	22-24/25
PSA:	185.04000
LogP:	5.45990

Total:60 Page 1 of 2 1 2 Next>>

Post a RFQ

Cas No.:

Product Name:

Quantity:

Email:

Company name:

Valid Period:

Detailed Requirements:

Enter 15 to 2000 letters.Word count: 0 letters

Attach files(File Format: Jpeg, Jpg, Gif, Png, PDF, PPT, Zip, Rar,Word or Excel Maximum File Size: 3MB)

What can I do for you?
Get Best Price

Get Best Price for 548-24-3

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