Chemical Name: Eosin Y
CAS No: 17372-87-1
Molecular Formula: C20H6Br4Na2O5
Molecular Weight: 691.85
eosin y cas 17372-87-1
Description
Eosin Y quick Details
Chemical Name: Eosin Y
CAS No: 17372-87-1
Molecular Formula: C20H6Br4Na2O5
Molecular Weight: 691.85
Eosin YStructure:
Eosin Y typical Properties
| Item | Specifications |
| Maximum absorption wavelength, nm | 510.0～518.0 |
| Mass absorption coefficient，L/cm·g | ≥115.0 |
| Sensitivity test | qualified |
| Water dissolution test | qualified |
| Loss on drying | ≤9.0 |
| Halide (in terms of bromine) | ≤2.0 |
Eosin YUsage
Used as a biological stain. Also used as an adsorption indicator for precipitation titration determination of Br-, I-, SCN-, MoO, Ag , and the like. Used as a color developer for the determination of Ag , Pb2 , Mn2 , Zn2 , etc. by fluorescence spectrophotometry.
Eosin YPackaging and Shipping
Packing: Bag or drum
Delivery: Sea or air
Eosin Y Storage
Cool and seated, protect from light.
