| Identification | Back Directory | [Name]
ERYTHROSIN B | [CAS]
15905-32-5 | [Synonyms]
iodeosin
traiodo-
Nsc328781
BErythrosi
tetraiodo-
cherry red
CI 45430:2
ERYTHROSIN
IODOEOSINE
ERYTHROSINE
ERYTHROSINE B
Erythrosine J
SOLVENT RED 140
erythrosineacid
2,4,5,7-Erythrosin
TETRAIODOFLUORESCEIN
ERYTHROSIN B LACTONE
Erythrosin Free Acid
ErythrosineBfreeacid
ERYTHROSIN B FREE ACID
LABOTEST-BB LT00452775
ERYTHROSIN B, SPIRIT SOLUBLE
ErythrosinBFreeAcidC.I.45425
erythrocin B, spirit soluble
C.I. 45430:2, Solvent Red140
2’,4’,5’,7’-tetraiodo-fluorescei
2’,4’,5’,7’-tetraiodofluorescein
ERYTHROSIN B, SPIRIT SOLUBLE, 95+%
ERYTHROSIN B (CELL CULTURE REAGENT)
Fluorescein, 2',4',5',7'-tetraiodo-
Erythrosin B,95%,pure,spirit soluble
Erythrosin B, spirit soluble, pure, 95%
Erythrosin b, 95%, spirit soluble, pure
ERYTHROSIN B FREE ACID CELL CULTURE*TEST ED
Erythrosin B, spirit soluble, pure, 95% 5GR
9’-(9h)xanthen)-3-one,3’,6’-dihydroxy-2’,4’,5’,7’-spiro(isobenzofuran-1(3h
Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-2',4',5',7
3,6-Dihydroxy-2,4,5,7-tetraiodospiro[9H-xanthene-9,1'(3'H)-isobenzofuran]-3'-one
3',6'-Dihydroxy-2',4',5',7'-tetraiodospiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one
3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[isobenzofuran-1(3H),9'-[9H]xanthene]-3-one
9’-[9H]xanthen]-3-one,3’,6’-dihydroxy-2’,4’,5’,7’-tetraiodo-Spiro[isobenzofuran-1(3H)
Spiro[isobenzofuran-1(3H),9’-[9H]xanthen]-3-one,3’,6’-dihydroxy-2’,4’,5’,7’-tetraiodo-
3’,6’-Dihydroxy-2’,4’,5’,7’-tetraiodospiro[iso-benzofuran-1(3H),9’-[9H]xanthen]-3-onedisodiumsalt | [EINECS(EC#)]
240-046-0 | [Molecular Formula]
C20H8I4O5 | [MDL Number]
MFCD00005044 | [MOL File]
15905-32-5.mol | [Molecular Weight]
835.89 |
| Chemical Properties | Back Directory | [Appearance]
orange-red fine powder | [Melting point ]
303 °C (dec.)(lit.)
| [Boiling point ]
628.3±55.0 °C(Predicted) | [density ]
2.4391 (estimate) | [storage temp. ]
Store at RT. | [solubility ]
spirit: soluble
| [Colour Index ]
45430:2 | [form ]
powder
| [pka]
7.21±0.20(Predicted) | [color ]
Red | [Water Solubility ]
Soluble in water, spirit, methanol, methyl cellosolve and ethanol. | [Uses]
Indicator in analytical chemistry. | [EPA Substance Registry System]
2',4',5',7'-Tetraiodofluorescein (15905-32-5) |
| Hazard Information | Back Directory | [Chemical Properties]
orange-red fine powder | [Preparation]
Fluorescein (C.I.Acid Yellow 73, C.L 45350) in aqueous solution or Tetraiodide in ethanol, and made ??the free acid form. | [Biochem/physiol Actions]
Erythrosin B, also called as eosin B, is a xanthene dye. It belongs to the family of fluorescein dyes. It plays a major role in inhibiting dopamine uptake and high affinity 3H-ouabain binding and ion transport in synaptosomes from rat caudate nucleus. | [Properties and Applications]
blue light red. Soluble in water for cherry red, no fluorescence. In concentrated sulfuric acid for brown light yellow, dilution after brown light yellow precipitation. Dye aqueous solution to join sodium hydroxide have soluble precipitation. Used in cosmetics coloring.
|
Standard
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Light Fastness
|
Heat-resistant(℃)
|
water
|
Sodium Carbonate(5%)
|
Hydrochloric acid(5%)
|
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Melting point
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Stable
|
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ISO
|
Poor
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Insoluble
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| Safety Data | Back Directory | [Safety Statements ]
22-24/25 | [WGK Germany ]
2
| [RTECS ]
LM5940000
| [TSCA ]
Yes | [HS Code ]
29329990 | [Toxicity]
A
food color formerly approved for use in the United States and
Europe. It was used primarily in jams and marmalades, maraschino
cherries, pickles and relishes, etc. The LD50 in rats is
150 mg/kg, i.p., and 600 mg/kg, p.o. Erythrosine has a variety of
actions in vitro due in large measure to its ability to affect biological
membranes and lipophilic sites of enzymes. Such data have
led to the hypothesis that erythrosine could be neurotoxic, but
both clinical and preclinical data have suggested that erythrosine
is not likely to be neurotoxic at doses that might be encountered.
Two other toxicological issues have been raised with this food
color. It has been suggested to be a potential, if weak, carcinogen,
and it may also contribute to potential thyroid toxicity resulting
from release of iodine. |
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