Eosin B

Biological stain

  • Product Code: 127062
  Alias:    Eosin B; Chromogen 2B, Blue Eosin, Eosin B, 4',5'-Dibromo-3',6'-Dihydroxy-2',7'-Dinitrospiro (isobenzofuran -1(3H), 9'-(9H)-3-one disodium salt, dibromodinitrofluorescein disodium, acid red 91
  CAS:    548-24-3
Molecular Weight: 624.06 g./mol Molecular Formula: C₂₀H₆N₂O₉Br₂Na₂
EC Number: 208-943-1 MDL Number: MFCD00005041
Melting Point: 275 °C (dec.)(lit.) Boiling Point:
Density: Storage Condition: room temperature
Product Description: Eosin B is primarily used as a biological stain in histology and cytology for visualizing cellular structures under a microscope. It is often employed in combination with other dyes, such as hematoxylin, to provide contrast in tissue samples, highlighting cytoplasm, collagen, and muscle fibers. In microbiology, it aids in distinguishing different types of cells and tissues. Additionally, Eosin B finds application in the textile industry as a dye for fabrics and in the manufacturing of inks and pigments. Its ability to bind to proteins and other cellular components makes it a valuable tool in both scientific research and industrial processes.
Product Specification:
Test Specification
Absorbance (E1%1Cm) (H2O, 514.0 To 518.0Nm) 900
518.0NM 900
Lambda Max. (H2O) 514-518
Appearance Brown To Dark Green Powder
Infrared Spectrum Conforms To Structure
Solubility Red Clear Solution (1 Mg/Ml, H2O)
Sizes / Availability / Pricing:
Size (g) Availability Price Quantity
25.000 10-20 days Ft14,652.79
+
-
100.000 10-20 days Ft53,762.80
+
-
500.000 10-20 days Ft261,810.82
+
-
Eosin B
Eosin B is primarily used as a biological stain in histology and cytology for visualizing cellular structures under a microscope. It is often employed in combination with other dyes, such as hematoxylin, to provide contrast in tissue samples, highlighting cytoplasm, collagen, and muscle fibers. In microbiology, it aids in distinguishing different types of cells and tissues. Additionally, Eosin B finds application in the textile industry as a dye for fabrics and in the manufacturing of inks and pigments. Its ability to bind to proteins and other cellular components makes it a valuable tool in both scientific research and industrial processes.
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