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198250

Sigma-Aldrich

Rose bengal

certified by the Biological Stain Commission, certified by the BSC, Dye content ≥80 %

Sinonimo/i:

4,5,6,7-Tetrachloro-2′,4′,5′,7′-tetraiodofluorescein disodium salt, Acid Red 94, Bengal Rose B sodium salt, Rose Bengal sodium salt

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About This Item

Formula empirica (notazione di Hill):
C20H2Cl4I4Na2O5
Numero CAS:
632-69-9
Peso molecolare:
1017.64
Colour Index:
45440
Beilstein:
3645857
Numero CE:
211-183-3
Numero MDL:
MFCD00005043
Codice UNSPSC:
12171500
ID PubChem:
24851870
NACRES:
NA.47

Grado

certified by the Biological Stain Commission

agenzia

certified by the BSC

Stato

powder

Composizione

Dye content, ≥80%

Colore

dark violet

Solubilità

H2O: 1 mg/mL

λmax

548 nm

ε (coefficiente d’estinzione)

≥90000 at 546-550 nm at 0.008 g/L

applicazioni

diagnostic assay manufacturing
hematology
histology

Temperatura di conservazione

room temp

Stringa SMILE

[Na+].[Na+].[O-]C(=O)c1c(Cl)c(Cl)c(Cl)c(Cl)c1C2=C3C=C(I)C(=O)C(I)=C3Oc4c(I)c([O-])c(I)cc24

InChI

1S/C20H4Cl4I4O5.2Na/c21-10-8(9(20(31)32)11(22)13(24)12(10)23)7-3-1-5(25)16(29)14(27)18(3)33-19-4(7)2-6(26)17(30)15(19)28;;/h1-2,29H,(H,31,32);;/q;2*+1/p-2
UWBXIFCTIZXXLS-UHFFFAOYSA-L

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Descrizione generale

Rose Bengal is the sodium salt of tetraiodotetrachlorouorescein, C20H2O5I4Cl4Na2. It is an anionic water-soluble xanthene dye.

Applicazioni

Rose bengal has several microbilogical staining applications including:
  • Conn′s technique for bacteria in soil and Kreyberg′s stain for keratin and mucus
  • counterstaining hematoxylin
  • staining cellular inclusions, together with Bismark brown



Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)

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Certificati d'analisi (COA)

Lot/Batch Number
SHBN9281
SHBN7446
SHBN2859
SHBM7411
SHBM4755

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Steffanie Heindl et al.
The Journal of experimental medicine, 218(8) (2021-05-27)
Neuroinflammation is an emerging focus of translational stroke research. Preclinical studies have demonstrated a critical role for brain-invading lymphocytes in post-stroke pathophysiology. Reducing cerebral lymphocyte invasion by anti-CD49d antibodies consistently improves outcome in the acute phase after experimental stroke models.
J Varga et al.
Studies in mycology, 69(1), 1-17 (2011-09-06)
Four new species, Aspergillus eucalypticola, A. neoniger, A. fijiensis and A. indologenus are described and illustrated. Aspergillus eucalypticola was isolated from Eucalyptus leaf from Australia, and is related to A. tubingensis and A. costaricaensis, but could clearly be distinguished from
Rebecca Sadler et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 40(5), 1162-1173 (2020-01-01)
Recovery after stroke is a multicellular process encompassing neurons, resident immune cells, and brain-invading cells. Stroke alters the gut microbiome, which in turn has considerable impact on stroke outcome. However, the mechanisms underlying gut-brain interaction and implications for long-term recovery
Y Hiasa et al.
Japanese journal of cancer research : Gann, 79(3), 314-319 (1988-03-01)
The effects of erythrosine (Red 3), rose bengal B (Red 105) and thyroidectomy on the development of thyroid tumor were examined in male Wistar rats treated with N-bis(2-hydroxypropyl)nitrosamine (DHPN). Red 3 and Red 105 were used at 4% in the
A Ito et al.
Journal of the National Cancer Institute, 77(1), 277-281 (1986-07-01)
The tumorigenicity of 9-3',4',5',6'-tetrachloro-o-carboxy phenyl-6-hydroxy-2,4,5,7-tetraiodo-3-isoxanthone sodium (CAS: 632-68-8) [also called Food Red 105 (FR 105) or Rose Bengal B], which is widely used for food or cosmetic coloring in Japan, was examined in (C57BL/6N X C3H/N)F1 mice. Animals were divided
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Separation of Tartrazine; Amaranth; Indigo carmine; New Coccine; Sunset Yellow FCF; Allura Red AC; Fast Green FCF; Erioglaucine disodium salt; Erythrosin B sodium salt; Phloxine B; Rose bengal

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