A3929912
Eosin B , Adsorption and fluorescent indicator level , 548-24-3
Synonym(s):
Dibromodinitrofluorescein sodium;Eosin B (bluish) (C.I.45400)
CAS NO.:548-24-3
Empirical Formula: C20H9Br2N2NaO9
Molecular Weight: 604.09
MDL number: MFCD00005041
EINECS: 208-943-1
Pack Size | Price | Stock | Quantity |
25G | RMB159.20 | In Stock |
|
others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
Melting point: | 275 °C (dec.)(lit.) |
storage temp. | Store at +5°C to +30°C. |
solubility | spirit: soluble |
Colour Index | 45400 |
form | Solid |
color | Very dark purple-red to dark brown |
PH | 6.2 (10g/l, H2O, 25℃) |
Water Solubility | Soluble in water (390 g/L at 20°C), and ethanol. |
λmax | 514 nm, 395 nm |
Merck | 14,3602 |
BRN | 4121964 |
Stability: | Stable. Incompatible with strong oxidizing agents. |
Biological Applications | Antimalarial agent; protein assay; detecting enzyme activity; treating cancer,malaria,diabetes,a variety of conditions affecting skin,mouth,digestive tract,urinary tract,reproductive tract,respiratory tract,circulatory sys |
Description and Uses
Eosin B sodium salt is a cell and tissue stain. Eosin B sodium salt is used as a counter stain for collagen, as a tissue stain for cell granules, nuclei, and microorganisms when coupled with Azure A (sc-203729), and as a stain for cell differentiation of the anterior pituitary.