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Eosin Y (C.I. 45380), 50 g

for microscopy
Examples of effect: Lead to damage to heath, cause irritation to eyes, skin or respiratory organs. Are fatal in larger quantities. Safety: As previously stated, in the event of skin irritation or contact with eyes, rinse with water or a suitable medium.
i causes serious eye irritation
P280 P305+P351+P338
i wear protective gloves/protective clothing/eye protection/face protection, IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing
Pack Qty.
Eosine Yellowish
Empirical formula C20H6Br4Na2O5
Molar mass (M) 691,86 g/mol
Melting point (mp) 296 °C
CAS No. [17372-87-1]
EG-Nr. 241-409-6

0.5-2.0 % in water or ethanol

Eosin Y is a slightly acid fluorescent dye, which stains cytoplasm red. It is soluble in alcohol and ...
Product details
Type analysis
CHF46.10 /Pack Qty.

CHF32.05/Pack Qty.  Campaign price!

excl. VAT. | 50 g per Pack Qty.

Art. No. 7089.1

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Product details

Eosin Y (C.I. 45380) for microscopy

Eosin Y is a slightly acid fluorescent dye, which stains cytoplasm red. It is soluble in alcohol and water (usual concentrations: 0.5-2.0 %). Manifold use, e.g. for hematoxylin-eosin (H&E) staining, spore staining etc.

Excitation maximum: 534 nm
Emission maximum: 544 nm

Technical Information
Dyeing damaged cells red 
Absorption maximum 534 nm 
Emissions maximum 544 nm 
Colour conversion yellow - red 
Handling area pH 0,0 - 3,0 
Eosin Y (C.I. 45380)
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Order No. Pack Qty. Pack. Price Quantity
7089.1 50 g glass CHF32.05
7089.2 100 g glass CHF54.35
7089.3 500 g glass CHF171.50
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General information

Indicators and Dyes

Indicators and DyesCarl ROTH offers many indicators and dyes of high purity, which can be used in special applications.

Certificates of Analysis

You can search for and download your certificate of analysis for the selected product here. Please provide your batch number.
The following analysis certificates have been found:

Type analysis

Maximum absorption510-520 nm  
Solubilityin alcohol and water  

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