EOSIN YELLOW

EOSIN YELLOW For Microscopy

C.I.No.45380 It can be used to stain cytoplasm, collagen and muscle fibers for examination under the microscope.
Eosin Y

Article No.

03660

Grade

For Microscopy

Purity

90% dye content

CAS No.

17372-87-1

Molecular Formula

C₂₀H₆Br₄Na₂O₅

Molecular Weight

691.88

H.S. Code

3204.9000

Shelf Life

60 Months

MSDS

Certificate of Analysis (COAs)

Physical state at 20 °C

Solid

Colour

Brownish red

Density [g/cm3]

1.018 g/cm3

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 λmax; in water)	1200 - 1400
Loss on drying (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