Home > Pallav Chemicals > Biological Stains and Dyes > Eosin Yellow 90% Dye Content For Microscopy (Water soluble)
Eosin Yellow 90% Dye Content For Microscopy (Water soluble)
C.I.No.45380 It can be used to stain cytoplasm, collagen and muscle fibers for examination under the microscope.
Eosin Y
Product Code. |
01117 |
Grade |
For Microscopy |
Purity |
90% dye content |
CAS No. |
17372-87-1 |
Molecular Formula |
C20H6Br4Na2O5 |
Molecular Weight |
691.88 |
H.S.Code |
3204.90000 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
Brownish red |
Density [g/cm3] |
1.018 g/cm3 |
Packaging
Specification
| Appearance | Brownish red fine powder |
| Absorption maxima | 515 - 518 nm |
| Dye content (by spectrophotometry) | Min 90% |
| Solubility (0.1% in water) | Clear solution |
| Absorptivity (A 1%/1cm; at lmax; in water) | 1200 - 1400 |
| Loss on dryig (at 110°C) | Max 8% |
| Copper (Cu) | Max 0.005% |
| Iron (Fe) | Max 0.005% |
| Nickel (Ni) | Max 0.005% |
| Lead (Pb) | Max 0.005% |
| Suitability (for microscopy) | Passes test |
Safety Information and Hazard Symbols
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H319
Precaution Statement: P305 + P351 + P338