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Rhodamine B

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Identification
Molecular formula
C28H31ClN2O3
CAS number
81-88-9
IUPAC name
[9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethyl-ammonium;chloride
State
State

At room temperature, Rhodamine B is typically in a solid state, commonly found in powder form.

Melting point (Celsius)
210.50
Melting point (Kelvin)
483.65
Boiling point (Celsius)
582.00
Boiling point (Kelvin)
855.15
General information
Molecular weight
479.02g/mol
Molar mass
479.0190g/mol
Density
1.1500g/cm3
Appearence

Rhodamine B is a bright red to purple powder. When in solution or ink form, it exhibits a characteristic vivid pink fluorescence under fluorescent light. The compound is intensely colored and can stain materials easily. Rhodamine B is often used as a tracer dye within water to determine the rate and direction of flow and transport.

Comment on solubility

Solubility of [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethyl-ammonium;chloride

The solubility of the compound [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethyl-ammonium;chloride can be influenced by several factors, primarily due to its unique structural components. Below are some key insights regarding its solubility:

  • Polarity: The presence of both the diethylammonium and carboxyphenyl groups suggests that this compound is relatively polar. Polar compounds generally exhibit good solubility in polar solvents such as water.
  • Salting-out Effect: Being a chloride salt, it may also engage in specific ionic interactions in solvent environments, which can alter its solubility profile depending on the presence of other ions.
  • Hydrogen Bonding: The carboxyl group can form hydrogen bonds which enhances interaction with water molecules, potentially improving solubility.
  • Temperature Dependence: Solubility could also vary with temperature; higher temperatures typically increase solubility for most ionic compounds.

In conclusion, while the compound is expected to exhibit significant solubility in polar solvents due to its structural features, it is important to conduct empirical testing under controlled conditions to determine its exact solubility profile.

Interesting facts

Interesting Facts about [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethyl-ammonium;chloride

This compound is a fascinating member of the xanthene derivatives, which are noteworthy for their vibrant colors and unique properties. Here are some engaging points about this compound:

  • Fluorescent Characteristics: Many xanthene derivatives are known for their excellent fluorescent properties. This compound may exhibit strong luminescence, making it useful in various applications including fluorescence microscopy and imaging techniques.
  • Biological Significance: The presence of the carboxyphenyl group suggests potential bioactivity. Compounds with such structures often interact with biological systems, which could lead to applications in pharmaceuticals or as biological probes.
  • Solvatochromism: This compound can demonstrate solvatochromic properties, meaning its color can change depending on the solvent environment. This characteristic is beneficial for sensing applications, as it allows for the detection of changes in polarity or interactions within a medium.
  • Research Applications: Researchers are increasingly exploring xanthene derivatives for use in organic solar cells and light-emitting diodes (LEDs). The molecular structure of this compound potentially positions it as a candidate for such innovative technologies.
  • Functionalization Opportunities: With several functional groups present, this compound can serve as a platform for further chemical modifications. Such modifications could enable the development of targeted therapies or novel materials with enhanced properties.

In summary, the compound is not only an interesting example of xanthene chemistry but also holds promise for practical applications across several scientific fields. Understanding its properties can open doors to innovative uses in biology and materials science.

Synonyms
RHODAMINE B
81-88-9
Basic Violet 10
Brilliant Pink B
Tetraethylrhodamine
Rhodamine O
Calcozine Red BX
Symulex Magenta F
Rhodamine S
Rheonine B
Rhodamine FB
Rhodamine B chloride
Rhodamine
Geranium lake N
Rhodamine BA
Rhodamine BF
Rhodamine BL
Rhodamine BN
Rhodamine BS
Rhodamine BX
Rhodamine BXL
Rhodamine BXP
Basic Rose Red
Rhodamine Lake Red B
Symulex Pink F
ADC Rhodamine B
Edicol Suppa Rose BS
Rhodamine FB CL
Acid Brilliant Pink B
Ikada Rhodamine B
Rhodamine B Extra
Certiqual Rhodamine
Iragen Red L-U
Aizen Rhodamine BH
Akiriku Rhodamine B
Eriosin Rhodamine B
Takaoka Rhodamine B
Mitsui Rhodamine BX
Rhodamine BA Export
Aizen Rhodamine BHC
Basonyl Red 545
Diabasic Rhodamine B
Elcozine Rhodamine B
Edicol Supra Rose B
Rhodamine B Extra S
C.I. Basic Violet 10
Food Red 15
D and C Red No. 19
Rhodamine, Blue shade
Edicol Supra Rose BS
CI Food Red 15
Rhodamine, tetraethyl-
Cerise Toner X1127
Calcozine Rhodamine BXP
C.I. 45170
Rhodamine B500
Cogilor Red 321.10
Hexacol Rhodamine B Extra
Violet zasadita 10
Basonyl Red 540
Red No. 213
D&C Red 19
Rhodamine B 20-7470
Rhodamine B Extra M 310
Basonyl Red 545FL
FD and C Red No. 19
Symulex Rhodamine B Toner F
CI Basic Violet 10
Rhodamine B500 hydrochloride
D&C red no.19
11411 Red
Basazol Red 71P
C.I. Food Red 15
Sicilian Cerise Toner A-7127
9-(2-Carboxyphenyl)-3,6-bis(diethylamino)xanthylium chloride
FD&C Red No. 19
D&C Red No. 19
D & C Red No.19
C.I. No. 45170
Cosmetic Brilliant Pink Bluish D conc
CCRIS 3985
Cerise Toner X 1127
HSDB 5244
UNII-K7G5SCF8IL
CI 45170
K7G5SCF8IL
Xanthylium, 9-(2-carboxyphenyl)-3,6-bis(diethylamino)-, chloride
EINECS 201-383-9
MFCD00011931
NSC 10475
Xanthylium, 9-(2-carboxyphenyl)-3,6-bis(diethylamino)-, chloride (1:1)
Rhodamine B 500
DTXSID6042369
Tetraethyldiamino-o-carboxyphenyl xanthenyl chloride
CHEBI:52334
Rhodamine B (C.I. 45170)
NSC-10475
9-O-Carboxyphenyl-6-diethylamino-3-ethylimino-3-isoxanthene, 3-ethochloride
AKA213
DTXCID4022369
ROSE B W 3005
AKA-213
(9-(o-Carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene) diethylammonium chloride
Ethanaminium, N-(9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)-N-ethyl-, chloride
Ethanaminium, N-(9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)-N-ethyl-,chloride
D&C RED NO. 19 (DELISTED)
FD&C RED NO. 19 (DELISTED)
Basic Violet 10;Brilliant Pink B;Rhodamine O;Tetraethylrhodamine
[9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium;chloride
RHODAMINE B (IARC)
RHODAMINE B [IARC]
Ammonium, (9-(o-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)diethyl-, chloride
Rhodamine S [Russian]
N-(9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)-N-ethylethanaminium chloride
N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethylethanaminium chloride
Ethanaminium, N-[9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene]-N-ethyl-, chloride
Violet zasadita 10 [Czech]
D&C RED NO. 19 (DELISTED) (II)
D&C RED NO. 19 (DELISTED) [II]
NSC41837
FD&C RED NO. 19 (DELISTED) (II)
FD&C RED NO. 19 (DELISTED) [II]
Rodamina B
[9-(o-Carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene] diethylammonium chloride
Calcozine Rhodamine BL
Calcozine Rhodamine BX
Ethanaminium, N-(9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)-N-ethyl-
RHODAMINE B [MI]
RHODAMINE B [HSDB]
SCHEMBL16280
D+C RED NO 19
D & C Red No. 19
D AND C RED NO 19
CHEMBL428971
FD AND C RED NO 19
RED NO 213
MSK2432
HY-Y0016
NSC10475
Tox21_301450
CI 749
NSC-41837
AKOS000283060
CCG-269534
CS-7637
FR41351
CAS-81-88-9
N-(9-(2-Carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)-N-e- thylethanaminium chloride
NCGC00255803-01
AS-17153
C.I. 749
CL 45170
DA-57427
Ethanaminium, N-(9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)-N-e- thyl-, chloride
SY010955
Diethyl-m-aminophenolphthalein hydrochloride
A5102
NS00113691
R0014
R0040
C19517
D88566
Q429022
DIETHYL-M-AMINO-PHENOLPHTHALEIN HYDROCHLORIDE
TETRAETHYLDIAMINO-O-CARBOXY-PHENYL-XANTHENYL CHLORIDE
9-(2-carboxyphenyl)-3,6-bis(diethylamino) xanthylium chloride
9-(2-carboxyphenyl)-3,6-bis(diethylamino)xanthenium chloride
9-(2-Carboxyphenyl)-3,6-bis(diethylamino)xanthyliumchloride
WLN: T C666 BO EYJ EUK2&2 IR BVQ& MN2&2 &Q &G
201-383-9
Ethanaminium, N-(9-(2-carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)-N-e-thyl-, chloride
N-(9-(2-Carboxyphenyl)-6-(diethylamino)-3H-xanthen-3-ylidene)-N-e-thylethanaminium chloride