Disodium 2-(4,5-dibromo-2,7-dinitro-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate

Basic Information

View in Editor

CAS Number

548-24-3

Molecular Formula

C20H6Br2N2Na2O9

Molecular Weight

624.06 g/mol

EINECS

208-943-1

Basic Physical Properties

Melting Point

275 °C (dec.)

Boiling Point

694.1°C at 760 mmHg

Water Solubility

Soluble in water (390 g/L at 20°C), and ethanol.

SMILES

View in Editor

c1[cH:1][cH:2][c:3]([c:4]([cH:5]1)[c:6]2[c:20]3[cH:19][c:18]([c:17]([c:16]([c:15]3[o:14][c:13]-4[c:12]([c:10](=[O:11])[c:9]([cH:8][c:7]24)[N+:27](=[O:28])[O-:29])[Br:26])[Br:25])[O-:24])[N+:21](=[O:22])[O-:23])[C:30](=[O:31])[O-:32].[Na+].[Na+]

InChI

InChI=1S/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

InChIKey

GYYTYUGGVBYJHE-UHFFFAOYSA-L

LogP

5.45990

Complexity

962

Safety Information

View Safety Information

GHS Hazard Pictograms

H318

Hazard Statement

H318 Causes serious eye damage
Serious eye damage/eye irritation

Hazard Class

Class 8 Class 8

Stability

稳定的。与强氧化剂不相容。

Sensitiveness

对湿度敏感

Synonyms & References

English

C.I. Acid Red 91
Eosin B, high purity biological stain
Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 4',5'-dibromo-3',6'-dihydroxy-2',7'-dinitro-, disodium salt
2-(4,5-dibromo-3,6-dihydroxy-2,7-dinitroxanthen-9-yl)-benzoic acid, disodium salt
EOSIN B CERTIFIED
EOSIN B CERTIFIED (C.I. 45400)
EOSIN SCARLET, FOR MICROSCOPY
EOSIN BLUISH, WATER-SOLUBLE, PURE, FOR M ICROSCOPY
Eosin B
,5'-Dibromo-2',7'-dinitrofluorescein, disodium salt
Acid Red 91
C.I. 45400
Eosin Bluish
EOSIN B C.I. NO. 45400 FOR MICROSCOPY
4′, 5′-DibroMo-2′, 7′-dinitrofluorescein disodiuM salt
CAESAR RED
Eosin B, certified, pure
Eosin B, pure, high purity, biological stain
EOSIN RED
Eosine BA
Eosine BN
HydroxydibroModinitro-o-carboxy-phenylfluorone sodiuM
Nophalin G
SAFROSIN
Eosin Scarlet
Saffrosine
Imperial Red
4',5'-Dibromo-3',6'-dihydroxy-2',7'-dinitrospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one sodium salt
Eosine B
Eosine BNX
Eosine I Bluish

MDL Number

MFCD00005041

EC Number

208-943-1

Customs Code

3204 12 00

FAQ

What are the physical and chemical properties of Disodium 2-(4,5-dibromo-2,7-dinitro-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate (CAS: 548-24-3)?

Disodium 2-(4,5-dibromo-2,7-dinitro-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate (CAS: 548-24-3) is a crystalline compound with a molecular weight of approximately 706.23 g/mol. It has a low solubility in water and good solubility in organic solvents. The compound is highly reactive due to the presence of nitro and bromine groups. It exhibits strong oxidizing properties and is sensitive to light and heat.

How is Disodium 2-(4,5-dibromo-2,7-dinitro-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate (CAS: 548-24-3) typically synthesized?

Disodium 2-(4,5-dibromo-2,7-dinitro-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate (CAS: 548-24-3) is prepared through a complex multistep process involving the synthesis of the xanthenone core, bromination, nitration, and subsequent coupling with benzoic acid. The reaction conditions typically include the use of concentrated sulfuric acid as a catalyst, and the process should be carried out under anhydrous conditions to enhance yield and selectivity.

What industries use Disodium 2-(4,5-dibromo-2,7-dinitro-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate (CAS: 548-24-3)?

Disodium 2-(4,5-dibromo-2,7-dinitro-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate (CAS: 548-24-3) is primarily used in the pharmaceutical and chemical industries for the synthesis of functional materials. It finds applications in the development of advanced polymers, sensors, and semiconductors due to its unique chemical reactivity and stability.

What precautions should be taken when handling Disodium 2-(4,5-dibromo-2,7-dinitro-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate (CAS: 548-24-3)?

When handling Disodium 2-(4,5-dibromo-2,7-dinitro-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate (CAS: 548-24-3), it is essential to use protective equipment such as gloves, goggles, and a lab coat. The compound should be stored in a cool, dry place away from direct sunlight and heat sources. Spills should be cleaned up using appropriate PPE, and the area should be thoroughly ventilated. Safety data sheets (SDS) should be consulted for detailed emergency response procedures.