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Erythrosin B

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Identification
Molecular formula
C20H6I4O5
CAS number
16423-68-0
IUPAC name
3',6'-dihydroxy-2',4',5',7'-tetraiodo-spiro[isobenzofuran-3,9'-xanthene]-1-one
State
State

At room temperature, Erythrosin B is a solid. It is typically provided in powdered form for use in various applications such as biological staining and as a color additive in different industries.

Melting point (Celsius)
142.00
Melting point (Kelvin)
415.00
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
879.86g/mol
Molar mass
0.0000g/mol
Density
3.1607g/cm3
Appearence

Erythrosin B appears as a reddish to reddish-brown powder. It is commonly used as a dye, and the powder can exhibit a bright, pinkish-red hue when dissolved in solutions. Under different lighting conditions, the color can change slightly, appearing more vivid or dull depending on concentration and substrate.

Comment on solubility

Solubility of 3',6'-dihydroxy-2',4',5',7'-tetraiodo-spiro[isobenzofuran-3,9'-xanthene]-1-one

The solubility of 3',6'-dihydroxy-2',4',5',7'-tetraiodo-spiro[isobenzofuran-3,9'-xanthene]-1-one (C20H6I4O5) is an intriguing aspect that showcases its unique chemical nature. Understanding solubility requires consideration of several factors, including molecular structure, polarity, and the presence of iodine atoms within its framework. Here are some key points regarding the solubility of this compound:

  • Polarity: The presence of multiple hydroxyl (-OH) groups contributes to a degree of polarity, which may enhance the compound's interaction with polar solvents, such as water.
  • Iodine Atoms: The high number of iodine atoms (four in total) can influence solubility, possibly making the compound less soluble in polar solvents due to their hydrophobic nature.
  • Overall Behavior: Due to the combination of these factors, the solubility of this tetraiodo compound is likely to be limited in water, while it may find improved solubility in organic solvents.

In summary, *the solubility of 3',6'-dihydroxy-2',4',5',7'-tetraiodo-spiro[isobenzofuran-3,9'-xanthene]-1-one is complex*, signifying a balance between its polar and non-polar characteristics. This makes it essential for researchers to consider solvent choice when working with this compound in various applications.

Interesting facts

Interesting Facts about 3',6'-Dihydroxy-2',4',5',7'-tetraiodo-spiro[isobenzofuran-3,9'-xanthene]-1-one

The compound 3',6'-dihydroxy-2',4',5',7'-tetraiodo-spiro[isobenzofuran-3,9'-xanthene]-1-one is a fascinating example of a synthetic organic compound with a unique structural complexity that contributes to its interesting chemical properties and potential applications.

  • Structural Diversity: The spiro structure of this compound introduces a unique three-dimensional character, often resulting in distinctive physical and biological properties.
  • Iodine Substitution: The presence of four iodine atoms attached to the molecule enhances its reactivity and can significantly alter its electronic properties, making it an interesting target for various applications.
  • Biological Activity: Research has shown that iodine-containing compounds may exhibit antimicrobial and anticancer properties, which opens up avenues for potential medicinal uses.
  • Color Development: The presence of conjugated systems in such compounds can lead to vivid colors, making them useful in dye and pigment applications.

As a chemistry student, exploring the synthesis and reactivity of compounds like this one can deepen your understanding of organic reaction mechanisms, particularly those involving halogen substitution and the influences of substituents on reactivity. In the words of a renowned chemist, "In the realm of organics, the most intriguing compounds often lie hidden within layers of complexity."

In summary, the 3',6'-dihydroxy-2',4',5',7'-tetraiodo-spiro[isobenzofuran-3,9'-xanthene]-1-one represents a captivating intersection of organic chemistry, materials science, and biological research, making it a worthwhile subject of study for both budding scientists and seasoned researchers alike.

Synonyms
Erythrosin B
15905-32-5
Tetraiodofluorescein
Solvent Red 140
Erythrosine acid
Iodeosin
ERYTHROSINE
2',4',5',7'-Tetraiodofluorescein
Erythrosine, phenolic
2,4,5,7-Erythrosin
3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one
1A878FZQ9B
E127
ERYTHROSINE J
Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-2',4',5',7'-tetraiodo-
FD and C Red No. 3
Erythrosine B (free acid)
NSC-328781
C.I. Solvent Red 140
DTXSID7044843
NSC-4905
NSC328781
Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-dihydroxy-2',4',5',7'-tetraiodo-
NCGC00166249-02
CI 45430:2
C.I. 45430:2
Food Red No. 3
3',6'-Dihydroxy-2',4',5',7'-tetraiodospiro(isobenzofuran-1(3H),9'-(9H)xanthene)-3-one
C.I. Food Red 14
DTXCID1024207
FD & C red no. 3
3',6'-DIHYDROXY-2',4',5',7'-TETRAIODO-3H-SPIRO(2-BENZOFURAN-1,9'-XANTHEN)-3-ONE
3',6'-dihydroxy-2',4',5',7'-tetraiodo-3H-spiro[2-benzofuran-1,9'-xanthen]-3-one
3',6'-Dihydroxy-2',4',5',7'-tetraiodo-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one
3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3-one
SMR000857151
CAS-15905-32-5
C20H8I4O5
EINECS 240-046-0
NSC 328781
BRN 0062817
UNII-1A878FZQ9B
Fluoresceins
Iodoeosine
Felumin
Ceplac
Trace
Dianthine B
Iodeosine B
Pyrosine B
Tetrajodfluorescein
3',6'-dihydroxy-2',4',5',7'-tetraiodospiro(2-benzofuran-3,9'-xanthene)-1-one
Spiro[isobenzofuran-1(3H),9'-[9h]xanthen]-3-one,3',6'-dihydroxy-2',4',5',7'-tetraiodo-
E127 Erythrosine
Tetraiodofluoresceuin
2,5,7-Erythrosin
tetra-iodo-fluorescein
CI Food Red 14
FDC Red No. 3
Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-dihydroxy-2',4',5',7'-tetraiodo-, disodium salt
Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-2',4',5',7'-tetraiodo-, disodium salt
Cogilor orange 211.10
Cogilor orange 312.42
Fluorescein, 2',4',5',7'-tetraiodo- (VAN)
2,5,7-Tetraiodofluorescein
SCHEMBL25042
4-19-00-02923 (Beilstein Handbook Reference)
MLS001332405
MLS001332406
Red 1427
Solvent red 140; Iodoeosine
CHEMBL1332616
2',5',7'-Tetraiodofluorescein
2, 4,5,7-Tetraiodofluorescein
Fluorescein,4',5',7'-tetraiodo-
Tox21_113464
Tox21_301634
BDBM50542241
Erythrosin B, Dye content >=95 %
HB0759
STL453505
AKOS015903873
Tox21_113464_1
FE47102
Solvent Red 140; Tetraiodofluorescein
SMP2_000049
NCGC00166249-01
NCGC00166249-03
NCGC00256240-01
AS-74205
HY-107864
CS-0030748
NS00005678
T0124
D92303
Q420101
Solvent Red 140; Tetraiodofluoresceuin; Erythrosine
Spiro[isobenzofuran-1(3H), 3',6'-dihydroxy-2',4',5',7'-tetraiodo-
1590-32-5
3',6'-Dihydroxy-2',4',5',7'-tetraiodospiro[isobenzofuran-1(3H),9'(9H)-xanthen]-3-one, 9CI